activity
20172026
most citedAutoSVD++: An Efficient Hybrid Collaborative Filtering Model via Contractive Auto-encoders

143 citations · 205 across the 16 of their papers we have counts for

collaborators

18 papers

cs.CL2026

SkillZip: Contract-Preserving Graph Compression for Scalable Agent Skill Libraries

Xingyu Tan, Xiaoyang Wang, Qing Liu +4

Large Language Models (LLMs) increasingly act as agents whose procedural knowledge is stored in reusable skill packages and loaded at inference time. As skill libraries grow, a cen…

cs.CL2026

Interpretable Column Annotation with LLM-Symbolized Decision Process Materialization

Mengqi Wang, Jianwei Wang, Qing Liu +5

Column annotation (CA), including column type annotation (CTA) and column property annotation (CPA), aims to identify the meanings of table columns and the semantic relationships a…

cs.CL2026

Weaving Multi-Source Evidence for Biomedical Reasoning: The BioMedHop Benchmark and BioWeave Framework

Xingyu Tan, Shiyuan Liu, Xiaoyang Wang +5

Biomedical question answering (QA) increasingly requires reasoning over interacting entities, where supporting evidence is scattered across biomedical knowledge graphs, literature…

cs.CL2026

PrivGemo: Privacy-Preserving Dual-Tower Graph Retrieval for Empowering LLM Reasoning with Memory Augmentation

Xingyu Tan, Xiaoyang Wang, Qing Liu +4

Knowledge graphs (KGs) provide structured evidence that can ground large language model (LLM) reasoning for knowledge-intensive question answering. However, many practical KGs are…

cs.CL2025

MemoTime: Memory-Augmented Temporal Knowledge Graph Enhanced Large Language Model Reasoning

Xingyu Tan, Xiaoyang Wang, Qing Liu +4

Large Language Models (LLMs) have achieved impressive reasoning abilities, but struggle with temporal understanding, especially when questions involve multiple entities, compound o…

cs.CL2025★ 1 cited

PRoH: Dynamic Planning and Reasoning over Knowledge Hypergraphs for Retrieval-Augmented Generation

Xiangjun Zai, Xingyu Tan, Xiaoyang Wang +3

Knowledge Hypergraphs (KHs) have recently emerged as a knowledge representation for retrieval-augmented generation (RAG), offering a paradigm to model multi-entity relations into a…

cs.AI2025

MMAPG: A Training-Free Framework for Multimodal Multi-hop Question Answering via Adaptive Planning Graphs

Yiheng Hu, Xiaoyang Wang, Qing Liu +4

Multimodal Multi-hop question answering requires integrating information from diverse sources, such as images and texts, to derive answers. Existing methods typically rely on seque…

cs.CL2025

LLM-based HSE Compliance Assessment: Benchmark, Performance, and Advancements

Jianwei Wang, Mengqi Wang, Yinsi Zhou +5

Health, Safety, and Environment (HSE) compliance assessment demands dynamic real-time decision-making under complicated regulations and complex human-machine-environment interactio…

cs.CL2025

HydraRAG: Structured Cross-Source Enhanced Large Language Model Reasoning

Xingyu Tan, Xiaoyang Wang, Qing Liu +4

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external knowledge. Current hybrid RAG system retrieves evidence from both knowledge gra…

cs.LG2025

Unlocking Multi-Modal Potentials for Link Prediction on Dynamic Text-Attributed Graphs

Yuanyuan Xu, Wenjie Zhang, Ying Zhang +2

Dynamic Text-Attributed Graphs (DyTAGs) are a novel graph paradigm that captures evolving temporal events (edges) alongside rich textual attributes. Existing studies can be broadly…

cs.LG2025★ 1 cited

On LLM-Enhanced Mixed-Type Data Imputation with High-Order Message Passing

Jianwei Wang, Kai Wang, Ying Zhang +3

Missing data imputation, which aims to impute the missing values in the raw datasets to achieve the completeness of datasets, is crucial for modern data-driven models like large la…

cs.CL2024★ 2 cited

Paths-over-Graph: Knowledge Graph Empowered Large Language Model Reasoning

Xingyu Tan, Xiaoyang Wang, Qing Liu +3

Large Language Models (LLMs) have achieved impressive results in various tasks but struggle with hallucination problems and lack of relevant knowledge, especially in deep complex r…

cs.LG2023★ 7 cited

Emerging Synergies in Causality and Deep Generative Models: A Survey

Guanglin Zhou, Shaoan Xie, Guang-Yuan Hao +7

In the field of artificial intelligence (AI), the quest to understand and model data-generating processes (DGPs) is of paramount importance. Deep generative models (DGMs) have prov…

cs.LG2022★ 1 cited

Learning to Infer Counterfactuals: Meta-Learning for Estimating Multiple Imbalanced Treatment Effects

Guanglin Zhou, Lina Yao, Xiwei Xu +2

We regularly consider answering counterfactual questions in practice, such as "Would people with diabetes take a turn for the better had they choose another medication?". Observati…

cs.CY2022★ 23 cited

Towards Implementing Responsible AI

Conrad Sanderson, Qinghua Lu, David Douglas +3

As the deployment of artificial intelligence (AI) is changing many fields and industries, there are concerns about AI systems making decisions and recommendations without adequatel…

cs.AI2021★ 15 cited

Software Engineering for Responsible AI: An Empirical Study and Operationalised Patterns

Qinghua Lu, Liming Zhu, Xiwei Xu +3

Although artificial intelligence (AI) is solving real-world challenges and transforming industries, there are serious concerns about its ability to behave and make decisions in a r…

cs.SE2017★ 12 cited

Blockchains for Business Process Management - Challenges and Opportunities

Jan Mendling, Ingo Weber, Wil van der Aalst +29

Blockchain technology promises a sizable potential for executing inter-organizational business processes without requiring a central party serving as a single point of trust (and f…

cs.IR2017★ 143 cited

AutoSVD++: An Efficient Hybrid Collaborative Filtering Model via Contractive Auto-encoders

Shuai Zhang, Lina Yao, Xiwei Xu

Collaborative filtering (CF) has been successfully used to provide users with personalized products and services. However, dealing with the increasing sparseness of user-item matri…