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SIGMOD
2002
ACM
236views Database» more  SIGMOD 2002»
15 years 10 months ago
The Cougar Approach to In-Network Query Processing in Sensor Networks
The widespread distribution and availability of smallscale sensors, actuators, and embedded processors is transforming the physical world into a computing platform. One such examp...
Yong Yao, Johannes Gehrke
ICDT
2010
ACM
194views Database» more  ICDT 2010»
14 years 11 months ago
Bag Equivalence of XPath Queries
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...
Sara Cohen, Yaacov Y. Weiss
CIVR
2006
Springer
138views Image Analysis» more  CIVR 2006»
15 years 1 months ago
A Large Scale System for Searching and Browsing Images from the World Wide Web
Abstract. This paper outlines the technical details of a prototype system for searching and browsing over a million images from the World Wide Web using their visual contents. The ...
Alexei Yavlinsky, Daniel Heesch, Stefan M. Rü...
PODS
2008
ACM
109views Database» more  PODS 2008»
15 years 10 months ago
Time-decaying aggregates in out-of-order streams
Processing large data streams is now a major topic in data management. The data involved can be truly massive, and the required analyses complex. In a stream of sequential events ...
Graham Cormode, Flip Korn, Srikanta Tirthapura
AINA
2007
IEEE
15 years 4 months ago
DHTs over Peer Clusters for Distributed Information Retrieval
Distributed Hash Tables (DHTs) are very efficient for querying based on key lookups, if only a small number of keys has to be registered by each individual peer. However, building...
Odysseas Papapetrou, Wolf Siberski, Wolf-Tilo Balk...