4 papers
Amora: Communication-Efficient Private Approximate Nearest Neighbors Search
Qiuhao Wang, Zuowei Chen, Xu Yang +2
Approximate nearest neighbors search (ANNS) over cloud-hosted vector databases raises a critical privacy concern: the query vector, which often encodes sensitive user intent, is ex…
Verifiable, Efficient and Confidentiality-Preserving Graph Search with Transparency
Qiuhao Wang, Xu Yang, Yiwei Liu +4
Graph databases have garnered extensive attention and research due to their ability to manage relationships between entities efficiently. Today, many graph search services have bee…
NetChain: Authenticated Blockchain Top-k Graph Data Queries and its Application in Asset Management
Hongguang Zhao, Xu Yang, Saiyu Qi +2
As a valuable digital resource, graph data is an important data asset, which has been widely utilized across various fields to optimize decision-making and enable smarter solutions…
SecGraph: Towards SGX-based Efficient and Confidentiality-Preserving Graph Search
Qiuhao Wang, Xu Yang, Saiyu Qi +1
Graphs have more expressive power and are widely researched in various search demand scenarios, compared with traditional relational and XML models. Today, many graph search servic…