← Search

Liyang He

8 accepted papers

2026

ChronoPlay: A Framework for Modeling Dual Dynamics and Authenticity in Game RAG Benchmarks

ICLR 2026poster

Retrieval Augmented Generation (RAG) systems are increasingly vital in dynamic domains like online gaming, yet the lack of a dedicated benchmark has impeded standardized evaluation in this area. The core difficulty lies in Dual Dynamics: the constant interplay between game content updates and the sh…

Cited by 0SourcecodeScholar
2026

From Diagnosis to Generalization: A Cognitive Approach to Data Selection for Educational LLMs

AAAI 2026technical

Specializing Large Language Models for educational domains is a key frontier in creating personalized learning tools. The central challenge is not data scarcity but its abundance: efficiently selecting a curated data subset from vast corpora to enhance specialized skills and foster generalization, w

Cited by 0SourcePDFScholar
2025

CA-GAR: Context-Aware Alignment of LLM Generation for Document Retrieval

ACL 2025finding

Information retrieval has evolved from traditional sparse and dense retrieval methods to approaches driven by large language models (LLMs). Recent techniques, such as Generation-Augmented Retrieval (GAR) and Generative Document Retrieval (GDR), leverage LLMs to enhance retrieval but face key challen…

Cited by 0SourcePDFScholar
2025

Multi-perspective Preference Alignment of LLMs for Programming-Community Question Answering

COLING 2025main

Programming-Community Question Answering (PCQA) aims to tackle issues through generating functional code and guiding descriptions. It involves multiple candidates, with different users having varying preferences for them. Additionally, one may contain outdated APIs. These undoubtedly present a chall…

2025

Refining Sentence Embedding Model through Ranking Sentences Generation with Large Language Models

ACL 2025finding

Sentence embedding is essential for many NLP tasks, with contrastive learning methods achieving strong performance using annotated datasets like NLI. Yet, the reliance on manual labels limits scalability. Recent studies leverage large language models (LLMs) to generate sentence pairs, reducing annot…

2025

UniRAG: Unified Query Understanding Method for Retrieval Augmented Generation

ACL 2025long

Retrieval-Augmented Generation (RAG) technology effectively addresses the issues of knowledge update lag and hallucinations in large language models (LLMs) by integrating internal and external knowledge. Existing query augmentation methods improve RAG’s performance in handling complex queries but fa…

Cited by 0SourcePDFScholar
2024

CONSIDER: Commonalities and Specialties Driven Multilingual Code Retrieval Framework

AAAI 2024technical

Multilingual code retrieval aims to find code snippets relevant to a user's query from a multilingual codebase, which plays a crucial role in software development and expands their application scenarios compared to classical monolingual code retrieval. Despite the performance improvements achieved b…

2024

Optimizing Code Retrieval: High-Quality and Scalable Dataset Annotation through Large Language Models

EMNLP 2024main

Code retrieval aims to identify code from extensive codebases that semantically aligns with a given query code snippet. Collecting a broad and high-quality set of query and code pairs is crucial to the success of this task. However, existing data collection methods struggle to effectively balance sc…

Cited by 5SourcePDFScholar