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CIKM
2010
Springer
15 years 4 months ago
A hierarchical approach to reachability query answering in very large graph databases
The cost of reachability query computation using traditional algorithms such as depth first search or transitive closure has been found to be prohibitive and unacceptable in mass...
Saikat K. Dey, Hasan M. Jamil
MM
2006
ACM
155views Multimedia» more  MM 2006»
16 years 17 min ago
Robust voting algorithm based on labels of behavior for video copy detection
This paper presents an efficient approach for copies detection in a large videos archive consisting of several hundred of hours. The video content indexing method consists of ext...
Julien Law-To, Olivier Buisson, Valérie Gou...
ICDE
2011
IEEE
274views Database» more  ICDE 2011»
14 years 9 months ago
Collaborative caching for spatial queries in Mobile P2P Networks
Abstract—We propose a novel collaborative caching framework to support spatial query processing in Mobile Peer-toPeer Networks (MP2PNs). To maximize cache sharing among clients, ...
Qijun Zhu, Dik Lun Lee, Wang-Chien Lee
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
16 years 6 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa
IUI
2005
ACM
15 years 11 months ago
The centrality of pivotal points in the evolution of scientific networks
In this paper, we describe the development of CiteSpace as an integrated environment for identifying and tracking thematic trends in scientific literature. The goal is to simplify...
Chaomei Chen