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EDBT
2011
ACM
209views Database» more  EDBT 2011»
12 years 9 months ago
An optimal strategy for monitoring top-k queries in streaming windows
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
Di Yang, Avani Shastri, Elke A. Rundensteiner, Mat...
CCS
2011
ACM
12 years 6 months ago
Automatic error finding in access-control policies
Verifying that access-control systems maintain desired security properties is recognized as an important problem in security. Enterprise access-control systems have grown to prote...
Karthick Jayaraman, Vijay Ganesh, Mahesh V. Tripun...
ICDCS
2011
IEEE
12 years 5 months ago
Authorized Private Keyword Search over Encrypted Data in Cloud Computing
—In cloud computing, clients usually outsource their data to the cloud storage servers to reduce the management costs. While those data may contain sensitive personal information...
Ming Li, Shucheng Yu, Ning Cao, Wenjing Lou
ICDE
2012
IEEE
237views Database» more  ICDE 2012»
11 years 8 months ago
On Discovery of Traveling Companions from Streaming Trajectories
— The advance of object tracking technologies leads to huge volumes of spatio-temporal data collected in the form of trajectory data stream. In this study, we investigate the pro...
Lu An Tang, Yu Zheng, Jing Yuan, Jiawei Han, Alice...
KDD
2012
ACM
242views Data Mining» more  KDD 2012»
11 years 8 months ago
Query-driven discovery of semantically similar substructures in heterogeneous networks
Heterogeneous information networks that contain multiple types of objects and links are ubiquitous in the real world, such as bibliographic networks, cyber-physical networks, and ...
Xiao Yu, Yizhou Sun, Peixiang Zhao, Jiawei Han