Greece-Hong Kong Database Workshop 2025

Opening

By Xiaofang Zhou (HKUST) and Nikos Mamoulis (UoI & RC Athena, Greece)

Session A: Streaming, Security/Privacy and Real-World Applications

Session Chair: Byron Choi (Hong Kong Baptist University)

Talk A1: A Bird's-Eye View of Complex Streaming Data Analytics (by Minos Garofalakis (TUC & RC Athena, Greece))

Talk A2: A Black-Box Reduction for Deferred Data Structuring (by Yufei Tao (The Chinese University of Hong Kong))

Talk A3: Secure and Privacy-Preserving RAG as a Service (by Jianliang Xu (Hong Kong Baptist University))

Talk A4: Local Differential Privacy Made Practical: Security, Efficiency, and Beyond (by Haibo Hu (Hong Kong Polytechnic University))

Talk A5: Scaling Private Computation: Next-Generation Oblivious Primitives for Systems, Databases, and LLMs (by Ioannis Demertzis (UC Santa Cruz, CA, USA))

Talk A6: Graph Data Science for Social Goods: STAR Lab's Experience (by Reynold Cheng (The University of Hong Kong))

Coffee Break

Session B: Data Integration and Deep Learning

Session Chair: Sibo Wang (The Chinese University of Hong Kong)

Talk B1: Entity Matching in Low-Resource Contexts (by Wen Hua (Hong Kong Polytechnic University))

Talk B2: Effective data preprocessing for deep learning (by Lei Chen (HKUST (Guangzhou)))

Discussion 1: Database and Artifcial Intelligence

Moderator: Shiyuan Deng (Huawei), Shuncheng Liu (Huawei) and Jinwei Zhu (Huawei)

1. Challenge 1: Natural Language Interface for Table Augmented Generation (by Shiyuan Deng)
2. Challenge 2: Database AutoOps Agent (by Shuncheng Liu)
3. Challenge 3: Data Analysis Agent (by Shuncheng Liu)
4. Challenge 4： Multi-Objective Optimizer for AI-Workload (by Jinwei Zhu)
5. Challenge 5：Compound AI System by Model Fusion (by Jinwei Zhu)
6. Challenge 6: Efficient and Secure Data Sharing among Multiple Parties (by Jinwei Zhu)

Lunch
(Venue: Ju Yin House Seafood Restaurant,
4/F, Communal Building (in Hong Kong Polytechnic University))

Session C: Indexing and Graph Processing

Session Chair: Ken Yiu (Hong Kong Polytechnic University)

Talk C1: Adaptive indexing in multidimensional spaces (by Nikos Mamoulis (UoI & RC Athena, Greece))

Talk C2: Adaptive Indexing of Multidimensional Points (by Dimitris Papadias (HKUST))

Talk C3: Efficient Indexing for Flexible Label-Constrained Shortest Path Queries in Road Networks (by Raymond Wong (HKUST))

Talk C4: A Tale of Intervals (by Panagiotis Bouros (JGU Mainz, Germany))

Talk C5: Graph Prompt Learning and Pre-training (by Hong Cheng (The Chinese University of Hong Kong))

Coffee Break

Session D: Similarity and Database System Design

Session Chair: Ke Yi (The Hong Kong University of Science and Technology)

Talk D1: Optimizing Similarity Search: From LSH Theory to Data-Driven Practice (by Xiaofang Zhou (HKUST))

Talk D2: Explanations and Responsible Data Management (by Evaggelia Pitoura (UoI & RC Athena, Greece))

Talk D3: Efficient Execution of UDF Queries in Modern Data Engines (by Alkis Simitsis (RC Athena, Greece))

Discussion 2: Vector Database and Mobile Data Management

Moderator: Shiyuan Deng (Huawei), Jinwei Zhu (Huawei) and Huilan Zhang (Huawei)

1. Challenge 1: Approximate Similarity Search over Hybrid Storage with Super Large TopK (by Shiyuan Deng)
2. Challenge 2: Attention Computation CPU Flushing Technique (by Shiyuan Deng)
3. Challenge 3：Reranking Model Compression Technique (by Shiyuan Deng)
4. Challenge 4: Large-capacity、Serverless Vector Database Embedding (by Jinwei Zhu)
5. Challenge 5: The New Sandbox Mechanism in User Mode for Mobile OS User Data Sharing Ensures Isolation between Process Spaces and Low Latency Access (by Jinwei Zhu)
6. Challenge 6: Introduction to HUAWEI CLOUD "Brainstorming (by Huilan Zhang)

Coach from PolyU to Restaurant

Dinner
(Venue: 818 The Seafood,
Gateway Arcade L4 4101, Tsim Sha Tsui)

Coach from Restaurant to Hotel ICON and then PolyU