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CIKM
2005
Springer
15 years 4 months ago
Optimizing candidate check costs for bitmap indices
In this paper, we propose a new strategy for optimizing the placement of bin boundaries to minimize the cost of query evaluation using bitmap indices with binning. For attributes ...
Doron Rotem, Kurt Stockinger, Kesheng Wu
ICDT
2010
ACM
147views Database» more  ICDT 2010»
15 years 2 months ago
Querying Parse Trees of Stochastic Context-Free Grammars
Stochastic context-free grammars (SCFGs) have long been recognized as useful for a large variety of tasks including natural language processing, morphological parsing, speech reco...
Sara Cohen, Benny Kimelfeld
SIGMOD
2008
ACM
109views Database» more  SIGMOD 2008»
15 years 11 months ago
Cooperative XPath caching
Motivated by the fact that XML is increasingly being used in distributed applications, we propose building a cooperative caching scheme for XML documents. Our scheme allows sharin...
Kostas Lillis, Evaggelia Pitoura
CCS
2010
ACM
14 years 11 months ago
HyperSentry: enabling stealthy in-context measurement of hypervisor integrity
This paper presents HyperSentry, a novel framework to enable integrity measurement of a running hypervisor (or any other highest privileged software layer on a system). Unlike exi...
Ahmed M. Azab, Peng Ning, Zhi Wang, Xuxian Jiang, ...
WWW
2004
ACM
15 years 11 months ago
Automatic detection of fragments in dynamically generated web pages
Dividing web pages into fragments has been shown to provide significant benefits for both content generation and caching. In order for a web site to use fragment-based content gen...
Lakshmish Ramaswamy, Arun Iyengar, Ling Liu, Fred ...