6 papers
Product Costing in Data Pipelines
Li Peng, Jie You, Feng Shi +10
Large data-intensive enterprises spend millions of dollars monthly running data pipelines. Apportioning this cost back to individual products, known as product costing, is a prereq…
Reliable and Private Utility Signaling for Data Markets
Li Peng, Jiayao Zhang, Yihang Wu +6
The explosive growth of data has highlighted its critical role in driving economic growth through data marketplaces, which enable extensive data sharing and access to high-quality…
Dynamically Detect and Fix Hardness for Efficient Approximate Nearest Neighbor Search
Zhiyuan Hua, Qiji Mo, Zebin Yao +8
Approximate Nearest Neighbor Search (ANNS) has become a fundamental component in many real-world applications. Among various ANNS algorithms, graph-based methods are state-of-the-a…
Efficient and High-Accuracy Secure Two-Party Protocols for a Class of Functions with Real-number Inputs
Hao Guo, Zhaoqian Liu, Liqiang Peng +4
In two-party secret sharing scheme, values are typically encoded as unsigned integers , whereas real-world applications often require computations on signed real…
TRIM: Accelerating High-Dimensional Vector Similarity Search with Enhanced Triangle-Inequality-Based Pruning
Yitong Song, Pengcheng Zhang, Chao Gao +4
High-dimensional vector similarity search (HVSS) is critical for many data processing and AI applications. However, traditional HVSS methods often require extensive data access for…
MapComp: A Secure View-based Collaborative Analytics Framework for Join-Group-Aggregation
Xinyu Peng, Feng Han, Li Peng +8
Join-group-aggregation (JGA) queries are fundamental to data analytics, yet executing them collaboratively across different parties poses significant privacy risks. Secure multi-pa…