Sciweavers

1300 search results - page 166 / 260
» XML Query Processing and Optimization
Sort
View
WISE
2005
Springer
15 years 7 months ago
A Formal Ontology Reasoning with Individual Optimization: A Realization of the Semantic Web
Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family ...
Pakornpong Pothipruk, Guido Governatori
BIRTHDAY
2009
Springer
15 years 8 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...
SIGMOD
1998
ACM
97views Database» more  SIGMOD 1998»
15 years 6 months ago
Cost Based Query Scrambling for Initial Delays
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...
Tolga Urhan, Michael J. Franklin, Laurent Amsaleg
204
Voted
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
16 years 2 months ago
Sharing aggregate computation for distributed queries
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
Ryan Huebsch, Minos N. Garofalakis, Joseph M. Hell...
WWW
2007
ACM
16 years 2 months ago
Answering bounded continuous search queries in the world wide web
Search queries applied to extract relevant information from the World Wide Web over a period of time may be denoted as continuous search queries. The improvement of continuous sea...
Dirk Kukulenz, Alexandros Ntoulas