Papers with Natural Language Understanding
Evaluating Cross-Lingual Transfer Learning Approaches in Multilingual Conversational Agent Models (2020.coling-industry)
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| Challenge: | Existing voice assistant models are developed for each region or language, requiring linear effort to develop and maintain. |
| Approach: | They propose a general multilingual model framework for natural language understanding models . they show multilingual models can reach same or better performance compared to monolingual models a . |
| Outcome: | The proposed model framework can bootstrap new language models faster and reduce effort . it can reach same or better performance compared to monolingual models across language-specific test data . |
Identifying and Resolving Annotation Changes for Natural Language Understanding (2021.naacl-industry)
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| Challenge: | Annotation conflict resolution is crucial for machine learning, says a new study . past work on annotation conflict resolution assumed data is collected at once . a a supervised neural model can resolve conflicts in data annotation but requires access to high-quality data . |
| Approach: | They propose an approach to resolve annotation conflicts in a real-world context using a German dialog system. |
| Outcome: | The proposed approach improves on a real-world dataset with 3.5M utterances in German. |
Optimizing NLU Reranking Using Entity Resolution Signals in Multi-domain Dialog Systems (2021.naacl-industry)
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Tong Wang, Jiangning Chen, Mohsen Malmir, Shuyan Dong, Xin He, Han Wang, Chengwei Su, Yue Liu, Yang Liu
| Challenge: | In dialog systems, the Natural Language Understanding component makes the interpretation decision before the mentioned entities are resolved. |
| Approach: | They propose to leverage Entity Resolution (ER) features in NLU reranking to learn model weights . they propose a score distribution matching method to ensure the models are calibrated . |
| Outcome: | The proposed approach outperforms the baseline model on multiple domain evaluations. |
Semantic Diversity for Natural Language Understanding Evaluation in Dialog Systems (2020.coling-industry)
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| Challenge: | a dialog system is used to evaluate NLU models using aggregated metrics on a large number of utterances. |
| Approach: | They propose a method to generate a test set with high semantic diversity for NLU evaluation in dialog systems. |
| Outcome: | The proposed test sets are based on high diversity of utterances from different regions of the utteration embedding space. |
Continuous Model Improvement for Language Understanding with Machine Translation (2021.naacl-industry)
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Abdalghani Abujabal, Claudio Delli Bovi, Sungho Ryu, Turan Gojayev, Fabian Triefenbach, Yannick Versley
| Challenge: | a simple translation-test approach would fail the latency requirements of a live environment. |
| Approach: | They show that annotating unlabeled utterances offline can improve performance . they demonstrate that an extrinsic evaluation can improve the performance if manual data is available . |
| Outcome: | The proposed method improves performance in an extrinsic evaluation setting with real-world commercial dialog system in german. |
Machine Reading, Fast and Slow: When Do Models “Understand” Language? (2022.coling-1)
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| Challenge: | Existing models of reading comprehension score highly on NLU benchmarks, but they are often 'read fast', i.e. rely on shallow patterns. |
| Approach: | They propose a definition for the reasoning steps expected from a system that would be 'reading slowly' they compare that behavior with five models of the BERT family of various sizes, observed through saliency scores and counterfactual explanations. |
| Outcome: | The proposed model is compared with five models of the BERT family of various sizes, and compared using saliency scores and counterfactual explanations. |
Entity resolution for noisy ASR transcripts (D19-3)
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| Challenge: | Domain-agnostic Automatic Speech Recognition systems often mistranscribe domain-specific words and phrases. |
| Approach: | They propose a method for handling ASR errors in named entities, specifically person names, for a voice-based collaboration assistant. |
| Outcome: | The proposed method improves accuracy by 40.8% on a voice-based collaboration assistant. |
Efficient Semi-supervised Consistency Training for Natural Language Understanding (2022.naacl-industry)
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| Challenge: | Manually labeled training data is expensive, noisy, and often scarce . semi-supervised learning methods can be used to improve model performance . |
| Approach: | They explore different methods for consistency training on unlabeled data . they use human paraphrasing, back-translation, and dropout to augment unlabed data. |
| Outcome: | The proposed methods outperform purely supervised learning on unlabeled data. |
SIB-200: A Simple, Inclusive, and Big Evaluation Dataset for Topic Classification in 200+ Languages and Dialects (2024.eacl-long)
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David Adelani, Hannah Liu, Xiaoyu Shen, Nikita Vassilyev, Jesujoba Alabi, Yanke Mao, Haonan Gao, En-Shiun Lee
| Challenge: | despite progress in building multilingual language models evaluation is limited to a few languages with available datasets . despite this, we create a large-scale open-sourced benchmark dataset for topic classification in 205 languages and dialects to address the lack of evaluation dataset for Natural Language Understanding (NLU). |
| Approach: | They create a large-scale open-sourced benchmark dataset for topic classification in 205 languages and dialects to address the lack of evaluation dataset for Natural Language Understanding (NLU). |
| Outcome: | The proposed dataset addresses the lack of evaluation dataset for Natural Language Understanding (NLU) for many languages, it is the first publicly available evaluation dataset. |
An Effective Post-training Embedding Binarization Approach for Fast Online Top-K Passage Matching (2022.aacl-short)
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| Challenge: | Existing models that learn semantic representations of passages are prone to performance degradation . embedding binarization is a promising branch of model compression . |
| Approach: | They propose an embedding binarization approach that can be used to optimize for online inference. |
| Outcome: | The proposed model can perform query-passage matching acceleration. |
VLUE: A New Benchmark and Multi-task Knowledge Transfer Learning for Vietnamese Natural Language Understanding (2024.findings-naacl)
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| Challenge: | a lack of standard evaluation metrics and benchmarks makes it difficult to identify strengths of Vietnamese NLP models. |
| Approach: | They propose to establish a standardized set of benchmarks for Vietnamese NLU . they propose to evaluate Vietnamese language understanding models using a pre-trained model . |
| Outcome: | The proposed model combines proficiency of a multilingual pre-trained model with Vietnamese linguistic knowledge. |
Unsupervised training data re-weighting for natural language understanding with local distribution approximation (2022.emnlp-industry)
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| Challenge: | a distribution mismatch between offline training and live data can cause biases . cyclic seasonality shifts, and changing pool of users can contribute to this problem . |
| Approach: | They propose an unsupervised approach to mitigate offline training data sampling bias . they propose a local distribution approximation in the pre-trained embedding space . |
| Outcome: | The proposed approach mitigates the offline training data sampling bias in multiple NLU tasks without additional annotation. |
Selecting Machine-Translated Data for Quick Bootstrapping of a Natural Language Understanding System (N18-3)
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| Challenge: | In recent years, there has been growing interest in voice-controlled devices, such as Amazon Alexa or Google home. |
| Approach: | They investigate the use of Machine Translation to bootstrap a natural language understanding system for a new language for the use case of a large-scale voice-controlled device. |
| Outcome: | The proposed method reduces the time and cost of getting annotated corpus for a new language while still providing a large enough coverage of user requests. |
Multilingual Argument Mining: Datasets and Analysis (2020.findings-emnlp)
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| Challenge: | Argument mining tasks in non-English languages are dominated by English . we use a pre-trained language model that supports 104 languages to train models . |
| Approach: | They propose a multilingual BERT model to address argument mining tasks in non-English languages . they use English datasets and machine translation to facilitate transfer learning . |
| Outcome: | The proposed model is well suited for classifying the stance of arguments and detecting evidence, but less so for assessing the quality of arguments. |
Local Structure Matters Most in Most Languages (2022.aacl-short)
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| Challenge: | Recent perturbation studies have found unintuitive results on what does and does not matter when performing Natural Language Understanding (NLU) tasks in English. |
| Approach: | They replicate a study on the importance of local structure and relative unimportance of global structure in a multilingual setting. |
| Outcome: | The proposed model replicates a study on the importance of local structure and relative unimportance of global structure in a multilingual setting. |
Combining Weakly Supervised ML Techniques for Low-Resource NLU (2021.naacl-industry)
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| Challenge: | Recent advances in transfer learning have improved the performance of virtual assistants . however, meager training data is often a key bottleneck in creating voice-enabled applications . |
| Approach: | They propose to use unsupervised and semi-supervised techniques to improve NLU accuracy . they incorporate anonymized, unlabeled and automatically transcribed user utterances into training . |
| Outcome: | The proposed methods improve NLU accuracy in low-resource settings by integrating unsupervised and SSL techniques. |
GLGE: A New General Language Generation Evaluation Benchmark (2021.findings-acl)
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Dayiheng Liu, Yu Yan, Yeyun Gong, Weizhen Qi, Hang Zhang, Jian Jiao, Weizhu Chen, Jie Fu, Linjun Shou, Ming Gong, Pengcheng Wang, Jiusheng Chen, Daxin Jiang, Jiancheng Lv, Ruofei Zhang, Winnie Wu, Ming Zhou, Nan Duan
| Challenge: | Multi-task benchmarks focus on a range of Natural Language Understanding (NLU) tasks without considering the Natural Language Generation (NLG) models. |
| Approach: | They propose a multi-task benchmark for evaluating the generalization capabilities of NLG models across eight language generation tasks. |
| Outcome: | The proposed benchmarks are based on GLUE and Su-perGLUE for English and several other languages. |
Industry Scale Semi-Supervised Learning for Natural Language Understanding (2021.naacl-industry)
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| Challenge: | Obtaining human annotation is expensive and time-consuming process. |
| Approach: | They propose a semi-supervised learning pipeline which leverages millions of unlabeled examples to improve natural language understanding tasks. |
| Outcome: | The proposed pipeline can be used to improve natural language understanding tasks. |
Leveraging Moment Injection for Enhanced Semi-supervised Natural Language Inference with Large Language Models (2025.naacl-short)
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| Challenge: | Existing studies have used class-specific fine-tuned large language models to generate hypotheses and assign pseudo-labels but discarded many LLM-constructed samples to ensure the quality. |
| Approach: | They propose to leverage LLM-constructed samples by injecting the moments of labeled samples during training to properly adjust the level of noise. |
| Outcome: | The proposed method outperforms strong baselines on multiple NLI datasets in low-resource settings. |
Zero-shot Slot Filling in the Age of LLMs for Dialogue Systems (2025.coling-industry)
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| Challenge: | Existing methods for zero-shot slot filling focus on text data, overlooking conversational data. |
| Approach: | They propose a method for automatic data annotation with slot induction and black-box knowledge distillation from a teacher LLM to a smaller model. |
| Outcome: | The proposed method outperforms existing models on internal datasets by 26% relative increase in F1 score. |
Canary Extraction in Natural Language Understanding Models (2022.acl-short)
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| Challenge: | Recent literature has focused on Model Inversion Attacks (ModIvA) that can extract training data from model parameters. |
| Approach: | They propose an attack that extracts canaries from NLU training data and reconstructs them using non-sensitive tokens. |
| Outcome: | The proposed attack can reconstruct a four digit code in the training dataset with a probability of 0.5 in its best configuration. |
Dialogue-AMR: Abstract Meaning Representation for Dialogue (2020.lrec-1)
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Claire Bonial, Lucia Donatelli, Mitchell Abrams, Stephanie M. Lukin, Stephen Tratz, Matthew Marge, Ron Artstein, David Traum, Clare Voss
| Challenge: | Abstract Meaning Representation (AMR) does not capture the illocutionary force or speaker’s intended contribution in the broader dialogue context. |
| Approach: | They propose a schema that enriches Abstract Meaning Representation (AMR) it provides a semantic representation for facilitating Natural Language Understanding (NLU) in dialogue systems. |
| Outcome: | The proposed schema provides a semantic representation for facilitating Natural Language Understanding (NLU) in human-robot dialogue systems. |
Schema Aware Semantic Reasoning for Interpreting Natural Language Queries in Enterprise Settings (2020.coling-main)
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| Challenge: | Using ontology reasoning to understand natural language is a challenge for QA systems . a recent study shows that ontologies can improve natural language understanding . |
| Approach: | They propose to use ontology reasoning to translate natural language interpretation into a sequence of solvable tasks by an ontologist. |
| Outcome: | The proposed framework achieves better natural language understanding with a 30% accuracy improvement over the current state of natural language query interfaces. |
LICHEE: Improving Language Model Pre-training with Multi-grained Tokenization (2021.findings-acl)
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| Challenge: | Pre-trained language models are trained based on single-grained tokenization, making it hard to learn the precise meaning of coarse-grain words and phrases. |
| Approach: | They propose a language model pretraining method that incorporates multi-grained information of input text into pre-trained language models. |
| Outcome: | The proposed method improves performance on CLUE and SuperGLUE in Chinese and English with little extra inference cost. |
Fully-Semantic Parsing and Generation: the BabelNet Meaning Representation (2022.acl-long)
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| Challenge: | Abstract Meaning Representation (AMR) is the most popular formalism for Semantic Parsing. |
| Approach: | They propose a language-independent representation of meaning using BabelNet and VerbAtlas. |
| Outcome: | The proposed framework outperforms existing frameworks thanks to fully-semantic framing, the authors show . the proposed dataset is labeled entirely according to the proposed framework, and is available on github. |
CASA-NLU: Context-Aware Self-Attentive Natural Language Understanding for Task-Oriented Chatbots (D19-1)
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| Challenge: | Prior work on contextual NLU has been limited in terms of the types of contextual signals used and the understanding of their impact on the model. |
| Approach: | They propose a context-aware self-attentive NLU model that uses multiple signals over a variable context window, such as previous intents, slots, dialog acts and utterances, in addition to the current user uttered. |
| Outcome: | The proposed model outperforms a baseline model on two conversational datasets yielding a gain of up to 7% on the IC task. |
Leveraging fine-tuned Large Language Models with LoRA for Effective Claim, Claimer, and Claim Object Detection (2024.eacl-long)
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| Challenge: | Existing work on identifying claims has focused on sentence level, neglecting supplementary attributes such as the claimer and claim object of the claim. |
| Approach: | They propose a novel approach to detect claims using large language models in natural language understanding and text generation. |
| Outcome: | The proposed approach transforms claim, claimer and claim object detection task into QA setting. |
Training Dynamics for Curriculum Learning: A Study on Monolingual and Cross-lingual NLU (2022.emnlp-main)
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| Challenge: | Current approaches for NLU use CL to improve in-distribution data performance via heuristic-oriented or task-agnostic difficulties. |
| Approach: | They propose to use CL to improve in-distribution data performance by taking advantage of training dynamics as difficulty metrics instead of heuristic-oriented or task-agnostic difficulties. |
| Outcome: | The proposed model schedulers improve on in-distribution, out-of-distortion and zero-shot cross-lingual transfer datasets while being 20% faster on average. |
End-to-End Self-Debiasing Framework for Robust NLU Training (2021.findings-acl)
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| Challenge: | Existing models incorporate dataset biases leading to strong performance on in-distribution test sets but poor performance on out-of-distortion (OOD) tests. |
| Approach: | They propose a debiasing framework where the shallow representations of the main model are used to derive a bias model and both models are trained simultaneously. |
| Outcome: | The proposed framework outperforms existing approaches on three well-studied NLU tasks while still delivering high in-distribution performance. |
BasqueGLUE: A Natural Language Understanding Benchmark for Basque (2022.lrec-1)
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| Challenge: | Natural Language Understanding (NLU) benchmarks are costly to develop and language-dependent . basqueGLUE is the first benchmark for Basque, a less-resourced language . |
| Approach: | They propose a benchmark for Basque, a less-resourced language, using existing datasets. |
| Outcome: | The proposed benchmarks take into account a wide and diverse set of NLU tasks that require some form of language understanding beyond the detection of superficial clues. |
Measuring and Mitigating Local Instability in Deep Neural Networks (2023.findings-acl)
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| Challenge: | Uncertain details like random initialization can change the outputs of a trained system with potentially disastrous consequences. |
| Approach: | They propose a model stability problem by studying how the predictions of a deep neural network change as a consequence of stochasticity in the training process. |
| Outcome: | The proposed method outperforms data-agnostic methods and is 90% cheaper than the gold standard. |
Exploring Cross-Lingual Transfer Learning with Unsupervised Machine Translation (2021.findings-acl)
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| Challenge: | a new CLTL model is proposed to facilitate cross-linguistic transfer learning between distant languages . a key to CLTL is to learn a shared representation space for the given source-target language pair. |
| Approach: | They propose a new CLTL model that integrates machine translation with MT . they use an unannotated data technique to make use of the model's pre-training and fine-tuning . |
| Outcome: | The proposed model achieves better CLTL performance than the baseline model without more annotated data. |
Recursive Template-based Frame Generation for Task Oriented Dialog (2020.acl-main)
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| Challenge: | The input of an NLU component is a semantic frame that captures the intent and slot-labels provided by the user. |
| Approach: | They propose a recursive, hierarchical representation that captures the intent and slot-labels provided by the user and extend local tree-based loss functions with terms that provide global supervision. |
| Outcome: | The proposed representation improves on the widely used ATIS dataset and significantly improves the performance of the proposed framework. |
TaCL: Improving BERT Pre-training with Token-aware Contrastive Learning (2022.findings-naacl)
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| Challenge: | Existing pre-trained MLMs produce an anisotropic distribution of token representations . this is not ideal for tasks that require discriminative semantic meanings of distinct tokens - a problem that exists in pre-training models . |
| Approach: | They propose a continual pre-training approach that encourages BERT to learn an isotropic distribution of token representations. |
| Outcome: | The proposed approach improves on a wide range of English and Chinese benchmarks. |
CONDA: a CONtextual Dual-Annotated dataset for in-game toxicity understanding and detection (2021.findings-acl)
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Henry Weld, Guanghao Huang, Jean Lee, Tongshu Zhang, Kunze Wang, Xinghong Guo, Siqu Long, Josiah Poon, Caren Han
| Challenge: | Existing toxic language detection models focus on the single utterance level without deeper understanding of context. |
| Approach: | They propose a dataset for in-game toxic language detection enabling joint intent classification and slot filling analysis, which is the core task of Natural Language Understanding (NLU). |
| Outcome: | The proposed framework handles utterance and token-level patterns, and rich contextual chatting history. |
Multi3NLU++: A Multilingual, Multi-Intent, Multi-Domain Dataset for Natural Language Understanding in Task-Oriented Dialogue (2023.findings-acl)
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| Challenge: | Task-oriented dialogue systems are typically constructed for a single domain or language and do not generalise well beyond this. |
| Approach: | They constructed a multilingual, multi-intent, multi domain dataset to support work on Natural Language Understanding (NLU) in ToD across multiple languages and domains simultaneously. |
| Outcome: | The proposed dataset extends the English-only dataset to include manual translations into a range of high, medium, and low resource languages in two domains (banking and hotels). |
Enhancing Reinforcement Learning with Label-Sensitive Reward for Natural Language Understanding (2024.acl-long)
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| Challenge: | Recent advances in large language models (LLMs) have yielded remarkable performance, but objective mismatch issues hinder RLHF learning. |
| Approach: | They propose a Reinforcement Learning framework enhanced with Label-sensitive reward to enhance LLMs' alignment and generation capabilities. |
| Outcome: | The proposed framework improves performance on five diverse models across eight tasks. |
News Headline Grouping as a Challenging NLU Task (2021.naacl-main)
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| Challenge: | Recent advances in Natural Language Understanding (NLU) have seen models outperform human performance on many standard tasks. |
| Approach: | They propose a task of HeadLine Grouping and a dataset consisting of 20,056 pairs of news headlines, each labeled with a binary judgement as to whether the pair belongs within the same group. |
| Outcome: | The proposed model outperforms human models on a task consisting of 20,056 pairs of headlines on HLGD and a dataset with a binary judgement. |
Addressing Healthcare-related Racial and LGBTQ+ Biases in Pretrained Language Models (2024.findings-naacl)
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| Challenge: | Pretrained language models (PLMs) propagate social stigmas and stereotypes, a critical concern given their widespread use. |
| Approach: | They adapt two intrinsic bias benchmarks to quantify racial and LGBTQ+ biases in prevalent PLMs and empirically evaluate the effectiveness of various debiasing methods in mitigating these biase. |
| Outcome: | The proposed methods reduce biases without compromising performance in downstream tasks. |
X-METRA-ADA: Cross-lingual Meta-Transfer learning Adaptation to Natural Language Understanding and Question Answering (2021.naacl-main)
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| Challenge: | Multilingual models have gained popularity for their zero-shot cross-lingual transfer learning capabilities, but their generalization ability is inconsistent for typologically diverse languages. |
| Approach: | They propose a meta-learning approach that adapts MAML to learn to adapt to new languages . they extensively evaluate two cross-lingual NLU tasks using English as source and spanish as target . |
| Outcome: | The proposed approach outperforms naive fine-tuning on cross-lingual tasks for most languages. |
Imagination-Augmented Natural Language Understanding (2022.naacl-main)
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| Challenge: | Existing methods for Natural Language Understanding focus on textual signals, which hinders models from learning efficiently from limited data samples. |
| Approach: | They propose an Imagination-Augmented Cross-modal Encoder to solve natural language understanding tasks from a novel learning perspective. |
| Outcome: | The proposed learning paradigm bridges the gap between human and agent language understanding in both linguistic and perceptual procedures. |
BaSCo: An Annotated Basque-Spanish Code-Switching Corpus for Natural Language Understanding (2022.lrec-1)
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| Challenge: | Basque-Spanish code-switching is a widespread phenomenon among bilingual speakers in the Basque Country. |
| Approach: | They propose to use annotated utterances to train bilingual chatbots in Basque and Spanish to cover the phenomenon of code-switching. |
| Outcome: | The proposed corpus is the first with annotated linguistic resources encompassing Basque-Spanish code-switching. |
Improving the Efficiency of Visually Augmented Language Models (2025.coling-main)
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| Challenge: | Autoregressive Language Models lack visual knowledge due to reporting bias in textual corpora. |
| Approach: | They propose to use visual representations obtained from CLIP multimodal system to augment autoregressive language models with visual knowledge. |
| Outcome: | The proposed model outperforms VALM for visual language understanding, natural language understanding and language modeling tasks despite being significantly more efficient and simpler. |
Integrating User History into Heterogeneous Graph for Dialogue Act Recognition (2020.coling-main)
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| Challenge: | Existing models cannot fully recognize the specific expressions given by users due to the informality and diversity of natural language expressions. |
| Approach: | They propose a Heterogeneous User History graph convolution network which utilizes the user’s historical answers grouped by DA labels as additional clues to recognize the DA label of utterances. |
| Outcome: | The proposed model outperforms the state-of-the-art methods on two benchmark datasets and shows that it integrates user’s historical answers. |
Does Meta-learning Help mBERT for Few-shot Question Generation in a Cross-lingual Transfer Setting for Indic Languages? (2022.coling-1)
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Aniruddha Roy, Rupak Kumar Thakur, Isha Sharma, Ashim Gupta, Amrith Krishna, Sudeshna Sarkar, Pawan Goyal
| Challenge: | Existing approaches to few-shot Question Generation (QG) are limited and require manual annotation. |
| Approach: | They propose to use multilingual BERT to perform few-shot question generation with cross-lingual transfer. |
| Outcome: | The proposed model improves in few-shot QG and human evaluation confirms it. |
Leveraging LLMs for Bangla Grammar Error Correction: Error Categorization, Synthetic Data, and Model Evaluation (2025.findings-acl)
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| Challenge: | Large Language Models (LLMs) perform exceedingly well in Natural Language Understanding tasks for many languages including English. |
| Approach: | They propose to use a rule-based noise injection method to create grammatically incorrect sentences . they categorize 12 error classes in Bangla and take a survey of native speakers . |
| Outcome: | The proposed method improves performance of LLMs in Bangla by 3-7 percentage points compared to zero-shot setting . human errors are still superior in error correction, the authors show . |
Data Augmentation with Paraphrase Generation and Entity Extraction for Multimodal Dialogue System (2022.lrec-1)
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| Challenge: | Contextually aware intelligent agents are often required to understand the users and their surroundings in real-time. |
| Approach: | They propose to build a multimodal dialogue system for children learning basic math concepts using limited datasets. |
| Outcome: | The proposed system improves the Natural Language Understanding (NLU) module of a task-oriented SDS pipeline with limited dataset resources. |
SuperGLEBer: German Language Understanding Evaluation Benchmark (2024.naacl-long)
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| Challenge: | a new set of German-pretrained models are being released, but no established, diverse and systematic evaluation suite is available for them. |
| Approach: | They assemble a Natural Language Understanding benchmark suite for the German language and evaluate 10 existing German-pretrained models. |
| Outcome: | The proposed benchmark suite evaluates 10 German-pretrained models on 29 tasks . the results show that encoder models are good choices for most tasks, but not all . |
MOSAICo: a Multilingual Open-text Semantically Annotated Interlinked Corpus (2024.naacl-long)
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Simone Conia, Edoardo Barba, Abelardo Carlos Martinez Lorenzo, Pere-Lluís Huguet Cabot, Riccardo Orlando, Luigi Procopio, Roberto Navigli
| Challenge: | Existing approaches to integrate semantics into Natural Language Understanding (NLP) systems are cost-effective and environmental impact-related. |
| Approach: | They propose to provide semantically-annotated corpora for four NLU tasks across five languages and to drop the requirement of closed datasets. |
| Outcome: | The proposed model provides hundreds of millions of silver yet high-quality annotations for four NLU tasks across five languages. |
MIDAS: Multi-level Intent, Domain, And Slot Knowledge Distillation for Multi-turn NLU (2025.findings-naacl)
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| Challenge: | Existing Large Language Models (LLMs) can generate coherent text, but they struggle to recognise user intent behind queries. |
| Approach: | They propose a novel approach leveraging multi-level intent, domain, and slot knowledge distillation for multi-turn NLU. |
| Outcome: | The proposed model improves multi-turn conversation understanding by integrating teacher teachers into a student model. |
SQATIN: Supervised Instruction Tuning Meets Question Answering for Improved Dialogue NLU (2024.naacl-long)
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| Challenge: | Task-oriented dialogue (TOD) systems support users in execution of specific, well-defined tasks through natural language interaction. |
| Approach: | They propose a framework for dialog NLU based on instruction tuning and question-answering-based formulation of ID and VE tasks. |
| Outcome: | The proposed framework surpasses existing models in training and cross-domain transfer and significantly outperforms existing large language models in performance and inference efficiency. |
IDK-MRC: Unanswerable Questions for Indonesian Machine Reading Comprehension (2022.emnlp-main)
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| Challenge: | Existing MRC datasets in Indonesian are inadequate because of the small size and limited question types. |
| Approach: | They propose to combine automatic and manual unanswerable question generation to minimize the cost of manual dataset construction while maintaining the dataset quality. |
| Outcome: | The proposed dataset significantly improves the performance of Indonesian MRC models, showing a large improvement for unanswerable questions. |
Learning to Rank for Plausible Plausibility (P19-1)
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| Challenge: | Existing approaches to encoding sentences using contextualized encoders are inconsistent . |
| Approach: | They propose to use a cross entropy log-loss objective to improve plausibility . they propose a margin-based loss leads to a more plausible model of plausability . |
| Outcome: | The proposed loss is intuitively wrong when applied to plausibility tasks . the proposed loss leads to a more plausible model of plausability . |
ltzGLUE: Luxembourgish General Language Understanding Evaluation (2026.findings-acl)
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Alistair Plum, Felicia Körner, Anne-Marie Lutgen, Laura Bernardy, Fred Philippy, Emilia Milano, Nils Rehlinger, Cedric Lothritz, Tharindu Ranasinghe, Barbara Plank, Christoph Purschke
| Challenge: | ltzGLUE is the first official NLU benchmark for Luxembourgish (LTZ) based on the popular GLUE benchmark for English. |
| Approach: | They propose a new natural language understanding (NLU) benchmark for Luxembourgish based on the popular GLUE benchmark for English. |
| Outcome: | The proposed model performs well across many languages and is based on the GLUE benchmark for English. |
bgGLUE: A Bulgarian General Language Understanding Evaluation Benchmark (2023.acl-long)
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Momchil Hardalov, Pepa Atanasova, Todor Mihaylov, Galia Angelova, Kiril Simov, Petya Osenova, Veselin Stoyanov, Ivan Koychev, Preslav Nakov, Dragomir Radev
| Challenge: | bgGLUE is a benchmark for evaluating language models on natural language understanding (NLU) tasks in Bulgarian. |
| Approach: | They propose to use a benchmark to evaluate language models on NLU tasks in Bulgarian. |
| Outcome: | The proposed model performs well on sequence labeling tasks, but there is room for improvement for tasks that require more complex reasoning. |
A Scalable Framework for Learning From Implicit User Feedback to Improve Natural Language Understanding in Large-Scale Conversational AI Systems (2021.emnlp-main)
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Sunghyun Park, Han Li, Ameen Patel, Sidharth Mudgal, Sungjin Lee, Young-Bum Kim, Spyros Matsoukas, Ruhi Sarikaya
| Challenge: | Existing methods to improve NLU are laborintensive and expensive. |
| Approach: | They propose a scalable and automatic approach to improving NLU in a large-scale conversational AI system by leveraging implicit user feedback. |
| Outcome: | The proposed framework improves NLU in a large-scale conversational AI system across 10 domains. |
Supervised and Unsupervised Probing of Shortcut Learning: Case Study on the Emergence and Evolution of Syntactic Heuristics in BERT (2025.findings-acl)
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| Challenge: | Contemporary language models (LMs) rely on shortcut learning, using superficial cues that are spuriously correlated with labels. |
| Approach: | They propose to use syntactic heuristics to learn shortcuts in BERT when performing a task in Natural Language Understanding to investigate where these shortcuts emerge, how they evolve and how they impact the latent knowledge of the LM. |
| Outcome: | The proposed model rely on syntactic heuristics when performing a task in Natural Language Understanding. |
SciNLI: A Corpus for Natural Language Inference on Scientific Text (2022.acl-long)
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| Challenge: | Existing Natural Language Inference (NLI) datasets are not related to scientific text. |
| Approach: | They propose a large dataset for NLI that captures the formality in scientific text and contains 107,412 sentence pairs extracted from scholarly papers on NLP and computational linguistics. |
| Outcome: | The proposed model achieves a Macro F1 score of only 78.18% and an accuracy of 78.23%. |
Debiasing Masks: A New Framework for Shortcut Mitigation in NLU (2022.emnlp-main)
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| Challenge: | Debiasing language models from unwanted behaviors in natural language understanding datasets is a topic with increasing interest in the NLP community. |
| Approach: | They propose a method to debiase language models from unwanted behaviors in NLU tasks by identifying pruning masks that can be applied to a finetuned model. |
| Outcome: | The proposed method shows superior performance and performance over standard methods. |
Multi-resolution Annotations for Emoji Prediction (2020.emnlp-main)
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| Challenge: | Emojis are able to express various linguistic components, such as emotions, sentiments, events, etc. emojis have the merit of preserving information more densely, compared to words, argues a new study. |
| Approach: | They propose to use passage-level and aspect-level emoji annotations to predict the proper emmojis associated with text. |
| Outcome: | The proposed method is heuristically generated and validated with a pre-trained BERT model. |
A Dataset of General-Purpose Rebuttal (D19-1)
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Matan Orbach, Yonatan Bilu, Ariel Gera, Yoav Kantor, Lena Dankin, Tamar Lavee, Lili Kotlerman, Shachar Mirkin, Michal Jacovi, Ranit Aharonov, Noam Slonim
| Challenge: | a key element in argumentation is rebuttal, the ability to contest an argument by presenting a counter-argument. |
| Approach: | They propose a method based on general rebuttal arguments to produce a critical response to a long argumentative text. |
| Outcome: | The proposed method overcomes the need for topic-specific arguments to be provided . it allows creating responses beyond the scope of topics for which specific arguments are available . |
PCMID: Multi-Intent Detection through Supervised Prototypical Contrastive Learning (2023.findings-emnlp)
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| Challenge: | Existing approaches to intent detection assume that each utterance represents only a single intent. |
| Approach: | They propose a framework for intent detection that can learn multiple representations of a given user utterance under the context of different intent labels in an optimized semantic space. |
| Outcome: | The proposed framework achieves state-of-the-art on multiple public benchmark datasets and a private real-world dataset for the multi-intent detection task. |
Towards Leaving No Indic Language Behind: Building Monolingual Corpora, Benchmark and Models for Indic Languages (2023.acl-long)
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Sumanth Doddapaneni, Rahul Aralikatte, Gowtham Ramesh, Shreya Goyal, Mitesh M. Khapra, Anoop Kunchukuttan, Pratyush Kumar
| Challenge: | Recent advances in Natural Language Understanding are driven by pretrained multilingual models, which can potentially reduce the performance gap between high-resource languages through zero-shot knowledge transfer. |
| Approach: | They propose to create a human-supervised benchmark for Indic languages, IndicXTREME, with nine diverse NLU tasks covering 20 languages. |
| Outcome: | The proposed model improves on the monolingual corpora, IndicCorp, and IndicBERT in Indic languages with 105 evaluation sets across languages and tasks. |
CoF-CoT: Enhancing Large Language Models with Coarse-to-Fine Chain-of-Thought Prompting for Multi-domain NLU Tasks (2023.emnlp-main)
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| Challenge: | Chain-of-Thought prompting is popular in reasoning tasks, but its application to Large Language Models (LLMs) in Natural Language Understanding (NLU) is under-explored. |
| Approach: | They propose a Coarse-to-Fine Chain-of-Thought approach that breaks down NLU tasks into multiple reasoning steps where LLMs can learn to acquire essential concepts. |
| Outcome: | The proposed approach is effective in assisting the LLMs adapt to multi-grained NLU tasks under zero-shot and few-shot multi-domain settings. |
Corpus Generation for Voice Command in Smart Home and the Effect of Speech Synthesis on End-to-End SLU (2020.lrec-1)
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| Challenge: | Massive amounts of annotated data are often unavailable for novel tasks performed in real-world environments such as smart homes. |
| Approach: | They propose to use a synthetic semantically-annotated corpus of French commands for smart-home to train pipeline and end-to-end (E2E) SLU models. |
| Outcome: | The proposed model trains pipeline and end-to-end (E2E) SLU models on voice commands acquired in a real smart home. |
DMLM: Descriptive Masked Language Modeling (2023.findings-acl)
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| Challenge: | Descriptive Masked Language Modeling (DMLM) is a knowledge-enhanced reading comprehension objective that requires the model to predict the most likely word in a context, being provided with the word’s definition. |
| Approach: | They propose a knowledge-enhanced reading comprehension objective where the model is required to predict the most likely word in a context, being provided with the word’s definition. |
| Outcome: | The proposed model improves on a number of well-established NLU benchmarks and other semantic-focused tasks, e.g., Semantic Role Labeling. |
CycleKQR: Unsupervised Bidirectional Keyword-Question Rewriting (2022.emnlp-main)
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| Challenge: | Existing approaches to query paraphrases are based on encoderdecoder architectures, but they do not support the two important functionalities beyond questions. |
| Approach: | They propose a keyword-question rewriting task to improve query understanding capabilities of NLU systems for all surface forms. |
| Outcome: | Empirically, we show that CycleKQR significantly improves QA performance by rewriting queries into the appropriate form while retaining the original semantic meaning of input queries. |
Chain-of-Thought Tuning: Masked Language Models can also Think Step By Step in Natural Language Understanding (2023.emnlp-main)
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| Challenge: | Chain-of-Thought (CoT) is a technique that guides large language models to decompose complex tasks into multi-step reasoning processes. |
| Approach: | They propose a two-step reasoning framework based on prompt tuning to implement step-by-step thinking for MLMs on NLU tasks. |
| Outcome: | The proposed framework outperforms baselines and achieves state-of-the-art performance on two NLU tasks. |
mALBERT: Is a Compact Multilingual BERT Model Still Worth It? (2024.lrec-main)
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| Challenge: | Existing studies on the ethical and ecological impact of pre-trained language models raise questions about the temporal, financial, and environmental aspects of such models. |
| Approach: | They propose to focus on smaller models, such as compact models like ALBERT, which are more ecologically virtuous than these PLMs. |
| Outcome: | The proposed model is compared with classical multilingual models and is ethically virtuous. |
Speech Act Patterns for Improving Generalizability of Explainable Politeness Detection Models (2025.findings-acl)
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| Challenge: | Politeness detection is a task that requires explainability but lacks generalizability . recent approaches for improving explainable models rely on discovering domain-specific word-level features. |
| Approach: | They propose a method for improving the generalizability of explainable politeness models by relying on speech act patterns instead of words. |
| Outcome: | The proposed method improves generalizability of explainable politeness models by relying on speech act patterns instead of words. |
MedMT5: An Open-Source Multilingual Text-to-Text LLM for the Medical Domain (2024.lrec-main)
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Iker García-Ferrero, Rodrigo Agerri, Aitziber Atutxa Salazar, Elena Cabrio, Iker de la Iglesia, Alberto Lavelli, Bernardo Magnini, Benjamin Molinet, Johana Ramirez-Romero, German Rigau, Jose Maria Villa-Gonzalez, Serena Villata, Andrea Zaninello
| Challenge: | Existing studies on large language models for medical applications have focused on a single language . medical mT5 outperforms both encoders and similar sized text-to-text models in English, French, and Italian benchmarks . |
| Approach: | They propose to train Medical mT5, the first open-source text-to-text multilingual model for the medical domain. |
| Outcome: | The proposed model outperforms encoders and similar sized models on the Spanish, French, and Italian benchmarks while being competitive with current state-of-the-art models in English. |