Papers by Liqun Yang

11 papers
Thread: A Logic-Based Data Organization Paradigm for How-To Question Answering with Retrieval Augmented Generation (2025.emnlp-main)

Copied to clipboard

Challenge: Recent advances in retrieval-augmented generation (RAG) have substantially improved question-answering systems, particularly for factoid ‘5Ws’ questions.
Approach: They propose a data organization paradigm where large language models transform documents into more structured and loosely interconnected LUs.
Outcome: Experiments in open-domain and industrial settings show that the proposed paradigm outperforms existing paradigms and shows high adaptability across diverse document formats.
CodeArena: Evaluating and Aligning CodeLLMs on Human Preference (2025.emnlp-main)

Copied to clipboard

Challenge: Code large language models (codeLLMs) focus on synthesizing the correct code snippet, ignoring the alignment with human preferences.
Approach: They propose a benchmark code-based on 40 categories and 44 programming languages to emulate real-world coding tasks.
Outcome: The proposed benchmarks show that open-source code LLMs perform better than open-sourced ones.
Knowledge Distillation based Contextual Relevance Matching for E-commerce Product Search (2022.emnlp-industry)

Copied to clipboard

Challenge: Existing approaches to e-commerce relevance matching ignore bipartite graphs in logs . experimental results show that proposed method improves human relevance judgment .
Approach: They propose an efficient knowledge distillation framework for e-commerce relevance matching to exploit the advantages of Transformer-style and classical relevance matching models.
Outcome: The proposed method significantly improves human relevance judgment on large-scale real-world data.
GanLM: Encoder-Decoder Pre-training with an Auxiliary Discriminator (2023.acl-long)

Copied to clipboard

Challenge: Existing pre-training methods underutilize the benefits of language understanding for generation.
Approach: They propose a GAN-style model for encoder-decoder pre-training with an auxiliary discriminator.
Outcome: The proposed model outperforms existing pre-trained models and achieves state-of-the-art performance.
RAVEN++: Pinpointing Fine-Grained Violations in Advertisement Videos with Active Reinforcement Reasoning (2025.emnlp-industry)

Copied to clipboard

Challenge: Recent advances in large language models have improved the detection of non-compliant content, but critical gaps persist in fine-grained understanding, explainability, and generalization.
Approach: They propose a framework that combines active reinforcement learning, fine-grained violation understanding and progressive multi-stage training.
Outcome: The proposed framework outperforms general-purpose LLMs and specialized models in fine-grained violation understanding, explainability, and generalization.
MdEval: Massively Multilingual Code Debugging (2026.findings-acl)

Copied to clipboard

Challenge: Existing benchmarks primarily focus on Python and are limited in terms of language diversity.
Approach: They propose a multilingual debugging benchmark that includes 3.9K test samples of 20 programming languages and introduces the debug instruction corpora MdEval-Instruct by injecting bugs into the correct multilingual queries and solutions.
Outcome: The proposed benchmark includes 3.9K test samples of 20 programming languages and covers the automated program repair task, bug localization task, and bug identification task.
m3P: Towards Multimodal Multilingual Translation with Multimodal Prompt (2024.lrec-main)

Copied to clipboard

Challenge: Existing multimodal neural machine translation models focus on bilingual translation, but experimental results show that they outperform the text-only baselines and multilingual multimodal methods by a large margin.
Approach: They propose a framework to leverage the multimodal prompt to guide the Multimodal Multilingual Neural Machine Translation (m3P) this framework aligns the representations of different languages with the same meaning and generates the conditional vision-language memory for translation.
Outcome: The proposed framework outperforms previous text-only baselines and multilingual multimodal methods by a large margin.
UniCoder: Scaling Code Large Language Model via Universal Code (2024.acl-long)

Copied to clipboard

Challenge: Experimental results show that UniCoder with the universal code significantly outperforms the previous prompting methods by a large margin.
Approach: They introduce the universal code (UniCode) as the intermediate representation of algorithm steps using conventions of programming languages.
Outcome: The proposed model outperforms previous prompting methods by a large margin . the proposed model is based on a dataset of natural-language questions and code solutions .
Qwen2.5-xCoder: Multi-Agent Collaboration for Multilingual Code Instruction Tuning (2025.acl-long)

Copied to clipboard

Challenge: Existing methods to train code LLMs view each programming language in isolation . experimental results show that Qwen2.5-xCoder can bridge the gap between different programming languages .
Approach: They propose a framework that allows agents to collaborate to enhance multilingual instruction tuning for code LLMs.
Outcome: Experimental results show that Qwen2.5-xCoder can transfer knowledge efficiently and effectively between languages.
AICA-Bench: Holistically Examining the Capabilities of VLMs in Affective Image Content Analysis (2026.findings-acl)

Copied to clipboard

Challenge: Recent studies have focused on factual correctness, semantic grounding, visual reasoning, or multimodal large language models.
Approach: They propose a benchmark to assess AICA, which integrates perception, reasoning, and generation into a unified framework.
Outcome: The proposed framework corrects intensity errors and significantly enhances descriptive depth.
Improving Text Generation with Student-Forcing Optimal Transport (2020.emnlp-main)

Copied to clipboard

Challenge: Maximum likelihood estimation (MLE) is used to train models, but during testing, the model is conditioned on previously generated tokens, resulting in exposure bias.
Approach: They propose to use optimal transport to match the sequences generated in MLE and test modes to reduce exposure bias.
Outcome: The proposed method is validated on machine translation, text summarization, and text generation tasks.

What is GenGO?

GenGO is an NLP powered publication search system. It currenctly indexes 30k+ papers from ACL Anthology, and implements multi-aspect summarization, semantic search, and more!

Information

About
Limitations