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IJCAI
1997
15 years 5 months ago
Efficiently Executing Information-Gathering Plans
Themost costly aspect of gathering information over the Internet is that of transferring data over the networkto answer the user’s query. Wemaketwo contributions in this paperth...
Marc Friedman, Daniel S. Weld
PVLDB
2010
82views more  PVLDB 2010»
15 years 2 months ago
SECRET: A Model for Analysis of the Execution Semantics of Stream Processing Systems
There are many academic and commercial stream processing engines (SPEs) today, each of them with its own execution semantics. This variation may lead to seemingly inexplicable diï...
Irina Botan, Roozbeh Derakhshan, Nihal Dindar, Lau...
TKDE
1998
126views more  TKDE 1998»
15 years 4 months ago
Dictionary: A New Access Method for Query Processing in Object-Oriented Databases
—We present a new access method, called the path dictionary index (PDI) method, for supporting nested queries on object-oriented databases. PDI supports object traversal and asso...
Wang-Chien Lee, Dik Lun Lee
WWW
2005
ACM
16 years 5 months ago
XQuery containment in presence of variable binding dependencies
Semantic caching is an important technology for improving the response time of future user queries specified over remote servers. This paper deals with the fundamental query conta...
Li Chen, Elke A. Rundensteiner
BIRTHDAY
2009
Springer
15 years 11 months ago
Clio: Schema Mapping Creation and Data Exchange
Abstract. The Clio project provides tools that vastly simplify information integration. Information integration requires data conversions to bring data in different representation...
Ronald Fagin, Laura M. Haas, Mauricio A. Hern&aacu...