Xuxiaoliang

Knowledge Graphs, Vector Databases, Natural Language Processing, Intelligent Memory Systems, Graph Neural Networks, LLM Applications

l Qiang Yue, Mengzhao Wang, Xiaoliang Xu*, Cheng Long, Yuxiang Wang, Jiahui Wang, Efficient and Robust Out-Of-Distribution Vector Similarity Search with Cross-Distribution Monotonic Graph, SIGMOD 2026. (CCF A, accept)

l Xiaoliang Xu, et al., Through the Lens of Hubness: A Revisit on Graph-Based Approximate Nearest Neighbor Search: Experiments & Analysis, SIGMOD 2026.(CCF A, accept)

l GCIG: GraphRAG-based Cross-document Instruction Generation for Boosting LLM Reasoning, ACL 2026. (CCF A, review)

l MSBert: Token Importance-Aware Span Aggregation for Effective Multi-Vector Retrieval, SIGIR 2026. (CCF A, review)

l Beyond Parameter Tuning: Co-Optimizing Data Representations and Graph Indexes for Cross-Modal Vector Search, SIGIR 2026. (CCF A, review)

l Towards Domain Instruction Generation: A Dual-Channel Guided Self-supervised Approach with GraphRAG, SIGIR 2026. (CCF A, review)

l A GraphRAG-based Dual-path Structural Diffusion Retrieval Framework for Requirement-Code Traceability Link Recovery, SIGIR 2026. (CCF A, review)

l Yuxia Geng, Jiaoyan Chen, Yuhang Zeng, ... Xiaoliang Xu*,  P rompting disentangled embeddings for knowledge graph completion with pre-trained language model. Expert Systems with Applications, 2025. (Top)

l Yuxiang Wang, Zhangyang Peng*, Xiangyu Ke, Xiaoliang Xu*,et al., Cohesiveness-aware Hierarchical Compressed Index for Community Search over Attributed Graphs, SIGMOD 2025. (CCF A)

l Qiang Yue, Xiaoliang Xu*, Yuxiang Wang, et al., Routing-Guided Learned Product Quantization for Graph-Based Approximate Nearest Neighbor Search, ICDE 2024. (CCF A)

l Mengzhao Wang, Weizhi Xu, …, Xiaoliang Xu*, et al., Starling: An I/O-Efficient Disk-Resident Graph Index Framework for High-Dimensional Vector Similarity Search on Data Segment, SIGMOD 2024. (CCF A)

l Mengzhao Wang, Xiangyu Ke, Xiaoliang Xu, et al., MUST: An Effective and Scalable Framework for Multimodal Search with Target Modality, International Conference on Data Engineering, ICDE 2024. (CCF A)

l Yuxiang Wang, Xiaoxuan Gou, Xiaoliang Xu*, et al., Scalable Community Search over Large-scale Graphs based on Graph Transformer, SIGIR 2024. (CCF A)

l Yuxiang Wang, Shuzhan Ye, Xiaoliang Xu*, et al., Scalable Community Search with Accuracy Guarantee on Attributed Graphs, ICDE 2024. (CCF A)

l Yuxiang Wang, Chengjie Gu, Xiaoliang Xu*, et al., Efficient and effective (k, P)-core-based community search over attributed heterogeneous information networks, Information Sciences, 2024, 661: 120076. (Top)

l Mengzhao Wang, Lingwei Lv, Xiaoliang Xu*, Yuxiang Wang, Qiang Yue, Jiongkang Ni, An Efficient and Robust Framework for Approximate Nearest Neighbor Search with Attribute Constraint, NeurIPS 2023. (CCF A)

l Yuxiang Wang, Jun Liu, Xiaoliang Xu*, Efficient and Effective Academic Expert Finding on Heterogeneous Graphs through (k,P)-Core based Embedding, ACM Transactions on Knowledge Discovery from Data, 2023, 17(6): 85:1-85:35.

l Xiaoliang Xu, Jun Liu, Yuxiang Wang*, Xiangyu Ke. Academic Expert Finding via (K,P)-Core based Embedding over Heterogeneous Graphs, ICDE 2022. (CCF A)

l Yuxiang Wang, Arijit Khan, Xiaoliang Xu*, Jiahui Jin, Qifan Hong, Tao Fu. Aggregate Queries on Knowledge Graphs: Fast Approximation with Semantic-aware Sampling, ICDE 2022. (CCF A)

l Mengzhao Wang, Xiaoliang Xu, Qiang Yue,Wang Yuxiang*. A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search, VLDB 2021. (CCF A)

l Xiaoliang Xu, Mengzhao Wang*, Wang Yuxiang, Ma Dingcheng, Two-stage routing with optimized guided search and greedy algorithm on proximity graph, Knowledge-Based Systems, 2021. (Top)

l Xiaoliang Xu, Qifang Hong, Yuxiang Wang*, et al. A Random Walk Sampling on Knowledge Graphs for Semantic-oriented Statistical Tasks, Data & Knowledge Engineering, Vol.140,2022.

l Yuxiang Wang, Xiaoliang Xu*, Qifan Hong, Jiahui Jin, Tianxing Wu, Top-k Star Queries on Knowledge Graphs Through Semantic-aware Bounding Match Scores, Knowledge-Based Systems. (Top)

l Xiaoliang Xu, Tong Gao, Yuxiang Wang*, et al., Event Temporal Relation Extraction With Attention Mechanism and Graph Neural Network. Tsinghua Science and Technology, 2022,27(1):79-90.

l Xiaoliang Xu, Chang Li，Yuxiang Wang*，Yixing Xia, Multiattribute Approximate Nearest Neighbor Search Based on Navigable Small World Graph. Concurrency and Computation:Practice and Experience, 2020, 32(24)

l Xiaoliang Xu, Wensi Lu, Qiming Fang*, and Yixing Xia, A Visual Recognition Model based on Hierarchical Feature Extraction and Multi-layer SNN. International Conference on Neural Information Processing. Springer, Cham, 2018: 525-534.

l Xiaoliang Xu, Xin Jin, Rui Yan, et al., Visual Pattern Recognition Using Enhanced Visual Features and PSD-Based Learning Rule. IEEE Transactions on Cognitive & Developmental Systems, 2018, 10(2):205-212.