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SIGMOD
2007
ACM
121views Database» more  SIGMOD 2007»
16 years 3 months ago
Execution strategies for SQL subqueries
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
César A. Galindo-Legaria, Milind Joshi, Mos...
129
Voted
PODS
2007
ACM
109views Database» more  PODS 2007»
16 years 3 months ago
What is "next" in event processing?
Event processing systems have wide applications ranging from managing events from RFID readers to monitoring RSS feeds. Consequently, there exists much work on them in the literat...
Walker M. White, Mirek Riedewald, Johannes Gehrke,...
EDBT
2002
ACM
125views Database» more  EDBT 2002»
16 years 3 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish
152
Voted
PERCOM
2006
ACM
16 years 3 months ago
Decorrelating wireless sensor network traffic to inhibit traffic analysis attacks
Typical packet traffic in a sensor network reveals pronouncedpatterns that allow an adversary analyzing packet traffic to deduce the location of a base station. Once discovered, t...
Jing Deng, Richard Han, Shivakant Mishra
156
Voted
CVPR
2010
IEEE
15 years 11 months ago
Chaotic Invariants of Lagrangian Particle Trajectories for Anomaly Detection in Crowded Scenes
A novel method for crowd flow modeling and anomaly detection is proposed for both coherent and incoherent scenes. The novelty is revealed in three aspects. First, it is a unique ut...
Shandong Wu, Brian E. Moore, and Mubarak Shah