3 papers
cs.DB2026
Efficient and Robust Lock-Free Multi-Word Compare-and-Swap via Contention-Aware Helping
Motoki Unno, Kento Sugiura, Yoshiharu Ishikawa
Efficient concurrent access to shared memory remains a central focus for researchers seeking to enhance data structure performance. Lock-based synchronization often limits scalabil…
cs.IR2026
Approximate Nearest Neighbor Search for Modern AI: A Projection-Augmented Graph Approach
Kejing Lu, Zhenpeng Pan, Jianbin Qin +2
Approximate Nearest Neighbor Search (ANNS) is fundamental to modern AI applications. Most existing solutions optimize query efficiency but fail to align with the practical requirem…
cs.LG2026
Probabilistic Kernel Function for Fast Angle Testing
Kejing Lu, Chuan Xiao, Yoshiharu Ishikawa
In this paper, we study the angle testing problem in the context of similarity search in high-dimensional Euclidean spaces and propose two projection-based probabilistic kernel fun…