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JCSS
2000
92views more  JCSS 2000»
15 years 1 months ago
Querying Spatial Databases via Topological Invariants
The paper investigates the use of topological annotations (called topological invariants) to answer topological queries in spatial databases. The focus is on the translation of to...
Luc Segoufin, Victor Vianu
PVLDB
2010
195views more  PVLDB 2010»
15 years 9 days ago
Keyword++: A Framework to Improve Keyword Search Over Entity Databases
Keyword search over entity databases (e.g., product, movie databases) is an important problem. Current techniques for keyword search on databases may often return incomplete and i...
Dong Xin, Yeye He, Venkatesh Ganti
125
Voted
DAGSTUHL
2003
15 years 3 months ago
Query Answering in Inconsistent Databases
In this chapter, we summarize the research on querying inconsistent databases we have been conducting over the last five years. The formal framework we have used is based on two c...
Leopoldo E. Bertossi, Jan Chomicki
DS
2001
143views Database» more  DS 2001»
15 years 3 months ago
WebSifter: An Ontological Web-Mining Agent for E-Business
: The World Wide Web provides access to a great deal of information on a vast array of subjects. A user can begin a search for information by selecting a Web page and following the...
Anthony Scime, Larry Kerschberg
HICSS
2003
IEEE
136views Biometrics» more  HICSS 2003»
15 years 7 months ago
Applying Multiple Query Optimization in Mobile Databases
We apply multiple query optimization to batches of pull (on-demand) requests in a mobile database system. The resulting view can answer several queries at once, and it is broadcas...
Rajeswari Malladi, Karen C. Davis