Papers with neural representations

22 papers
Privacy-preserving Neural Representations of Text (D18-1)

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Challenge: a specific type of attack is used to characterize the privacy of neural representations for NLP tasks, in the context of privacy protection.
Approach: They propose several defense methods based on modified training objectives and characterize the tradeoff between privacy and the utility of neural representations.
Outcome: The proposed defenses improve the privacy of neural representations and characterize the tradeoff between privacy and utility of representations.
Knowledge-Enriched Natural Language Generation (2021.emnlp-tutorials)

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Challenge: Knowledge-enriched text generation poses unique challenges in modeling and learning . a roadmap will outline the state-of-the-art methods to tackle these challenges .
Approach: They propose a roadmap to tackle the challenges of knowledge-enriched text generation . they will dive deep into various technical components to illustrate how to represent knowledge .
Outcome: This tutorial outlines the state-of-the-art methods to tackle the problem . it aims to show how to represent knowledge, feed knowledge into a generation model, evaluate results .
Transformers for Tabular Data Representation: A Survey of Models and Applications (2023.tacl-1)

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Challenge: Recent research efforts extend LMs by developing neural representations for structured data.
Approach: They propose to extend transformer-based language models to tabular data by analyzing inputs, model training, and supported downstream tasks.
Outcome: The proposed models are compared against existing models and are based on a traditional pipeline.
Neural Token Representations and Negation and Speculation Scope Detection in Biomedical and General Domain Text (D19-62)

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Challenge: Existing evidence for improved performance on natural language tasks is unclear to what degree the learned token representations capture and encode highlevel morphological/syntactic knowledge about the usage of a given token in a sentence.
Approach: They propose to use context-aware token representations to capture morphological/syntactic knowledge about the usage of a given word/token in a sentence.
Outcome: The proposed representations capture and encode high-level morphological/syntactic knowledge about the usage of a given token in a sentence.
Erasure of Unaligned Attributes from Neural Representations (2023.tacl-1)

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Challenge: Developing a methodology for adjusting neural representations to preserve user privacy and avoid encoding bias in them is an active area of research in recent years.
Approach: They propose an algorithm which erases information from neural representations when the information to be erased is implicit rather than directly aligned to each input example.
Outcome: The proposed algorithm erases information from neural representations when the information to be erased is implicit rather than directly aligned to each input example.
A Differentiable Integer Linear Programming Solver for Explanation-Based Natural Language Inference (2024.lrec-main)

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Challenge: Existing ILP frameworks are non-differentiable and cannot be integrated as part of a broader deep learning architecture.
Approach: They propose a neuro-symbolic architecture for explanation-based NLI based on DBCS.
Outcome: The proposed approach achieves superior performance when compared to existing solvers and black-box solver.
CogTaskonomy: Cognitively Inspired Task Taxonomy Is Beneficial to Transfer Learning in NLP (2022.acl-long)

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Challenge: Existing frameworks for transfer learning across tasks in natural language processing are CRA and CNM . CRA uses a correlation between brain-activity measurement and computational modeling to estimate task similarity with sentence representations.
Approach: They propose a cognitively inspired framework to learn taxonomy for NLP tasks . they use Cognitive Representation Analytics and Cognitive-Neural Mapping .
Outcome: The proposed framework can guide transfer learning across tasks in natural language processing without exhaustive pairwise task transferring.
Gold Doesn’t Always Glitter: Spectral Removal of Linear and Nonlinear Guarded Attribute Information (2023.eacl-main)

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Challenge: Spectral Attribute removaL is a method to remove private or guarded information from neural representations.
Approach: They propose a method to remove guarded or private information from neural representations by matrix decomposition.
Outcome: The proposed method retains better main task performance after removing guarded information compared to previous work.
Conditional probing: measuring usable information beyond a baseline (2021.emnlp-main)

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Challenge: Existing methods for probing representations are limited to predicting part-of-speech . current methods cannot detect when a representation is predictive of just aspects of part- of-seech not explainable by the word identity.
Approach: They propose to condition on the information in a baseline representation to test whether it is predictive of part-of-speech.
Outcome: The proposed method is based on a theory of usable information called V-information and conditions on the information in the baseline.
Implicit Representations of Meaning in Neural Language Models (2021.acl-long)

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Challenge: Neural language models (NLMs) encode lexical relations and syntactic structure, but their effectiveness is still unclear.
Approach: They propose to use text as a model to model entities and situations as they evolve throughout a discourse.
Outcome: The proposed models have functional similarities to linguistic models of dynamic semantics and can be learned with only text as training data.
AudioSAE: Towards Understanding of Audio-Processing Models with Sparse AutoEncoders (2026.eacl-long)

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Challenge: Feature steering reduces Whisper’s false speech detections by 70% with negligible WER increase, demonstrating real-world applicability.
Approach: They train Sparse Autoencoders across all encoder layers of Whisper and HuBERT and evaluate their stability, interpretability, and practical utility.
Outcome: The proposed models capture general acoustic and semantic information as well as specific events, including environmental noises and paralinguistic sounds, and disentangle them effectively.
Reinforced Product Metadata Selection for Helpfulness Assessment of Customer Reviews (D19-1)

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Challenge: a helpful review is largely concerned with the metadata of its target product . a selector learns from both the key-value product metadata and one of its reviews to take an action .
Approach: They propose a framework that uses product metadata to assess helpfulness of free-text reviews . they use two real-world datasets from amazon.com and Yelp.com to test the framework .
Outcome: The proposed framework can achieve state-of-the-art performance with substantial improvements . it uses two real-world datasets from Amazon.com and Yelp.com .
Shielded Representations: Protecting Sensitive Attributes Through Iterative Gradient-Based Projection (2023.findings-acl)

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Challenge: Natural language processing models tend to learn and encode social biases present in the data.
Approach: They propose a method for removing non-linear encoded concepts from neural representations by iteratively training neural classifiers to predict a particular attribute, followed by a projection of the representation on a hypersurface.
Outcome: The proposed method removes non-linear encoded concepts from neural representations.
Effective Batching for Recurrent Neural Network Grammars (2021.findings-acl)

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Challenge: RNNGs are hard to scale due to the difficulty of batched training.
Approach: They propose to batch RNNGs where every operation is computed in parallel with tensors across multiple sentences.
Outcome: The proposed RNNG scales faster than existing models and achieves x6 speedup compared to existing C++ DyNet implementation .
Numeric Magnitude Comparison Effects in Large Language Models (2023.findings-acl)

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Challenge: Prior research on the representational capabilities of LLMs evaluates whether they show human-level performance.
Approach: They ask how well popular LLMs capture the magnitudes of numbers from a behavioral lens.
Outcome: The proposed model captures the magnitudes of numbers from a behavioral lens.
Similar but not the Same: Word Sense Disambiguation Improves Event Detection via Neural Representation Matching (D18-1)

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Challenge: Event detection (ED) and word sense disambiguation (WSD) are similar tasks, but they require different neural representations.
Approach: They propose a method to transfer the knowledge learned on WSD to ED by matching neural representations learned for the two tasks.
Outcome: The proposed method can be applied to event detection and word sense disambiguation datasets.
Log-linear Guardedness and its Implications (2023.acl-long)

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Challenge: Existing methods for erasing human-interpretable concepts from neural representations that assume linearity are not fully understood.
Approach: They define linear guardedness as the inability of an adversary to predict the concept directly from the representation . they show that a log-linear model can be constructed that indirectly recovers the concept .
Outcome: The proposed model can be constructed that indirectly recovers the erased concept in some cases.
Interpretable Multimodal Misinformation Detection with Logic Reasoning (2023.findings-acl)

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Challenge: Existing methods for misinformation detection lack interpretability due to the black-box nature of the neural network.
Approach: They propose a logic-based neural model which integrates interpretable logic clauses to express the reasoning process of the target task.
Outcome: The proposed model can be generalizable across multiple misinformation sources and is based on three public datasets.
Null It Out: Guarding Protected Attributes by Iterative Nullspace Projection (2020.acl-main)

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Challenge: Word embeddings, pre-trained language models, and deep learning methods are becoming effective for text classification.
Approach: They propose a method for removing information from neural representations using null-space projection.
Outcome: The proposed method mitigates bias in word embeddings and increases fairness in multi-class classification.
CompGuessWhat?!: A Multi-task Evaluation Framework for Grounded Language Learning (2020.acl-main)

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Challenge: Approaches to Grounded Language Learning focus on a single task-based final performance measure which may not depend on desirable properties of the learned hidden representations.
Approach: They propose an evaluation framework for Grounded Language Learning with Attributes based on three sub-tasks: 1) Goal-oriented evaluation; 2) Object attribute prediction evaluation; and 3) Zero-shot evaluation.
Outcome: The proposed framework evaluates the quality of learned representations with respect to attribute grounding.
Document-Level Event Role Filler Extraction using Multi-Granularity Contextualized Encoding (2020.acl-main)

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Challenge: Document-level event extraction requires a view of a larger context to determine which spans of text correspond to event role fillers.
Approach: They propose a multi-granularity reader to dynamically aggregate information captured by neural representations learned at different levels of granularities.
Outcome: The proposed model performs substantially better than previous models on the MUC-4 event extraction dataset.
An information theoretic view on selecting linguistic probes (2020.emnlp-main)

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Challenge: Recent advances in NLP tasks require a question of how much linguistic knowledge is encoded in neural networks.
Approach: They propose to use diagnostic classifiers to perform supervised classification from internal representations.
Outcome: Empirically, the two proposed criteria lead to results that agree with each other.

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