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130
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CACM
1998
110views more  CACM 1998»
15 years 13 days ago
Viewing WISs as Database Applications
abstraction for modeling these problems is to view the Web as a collection of (usually small and heterogeneous) databases, and to view programs that extract and process Web data au...
Gustavo O. Arocena, Alberto O. Mendelzon
ICDE
2009
IEEE
144views Database» more  ICDE 2009»
16 years 2 months ago
Reachability Indexes for Relational Keyword Search
Due to its considerable ease of use, relational keyword search (R-KWS) has become increasingly popular. Its simplicity, however, comes at the cost of intensive query processing. Sp...
Alexander Markowetz, Yin Yang, Dimitris Papadias
87
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ALGORITHMICA
2002
94views more  ALGORITHMICA 2002»
15 years 18 days ago
The Quantum Black-Box Complexity of Majority
We describe a quantum black-box network computing the majority of N bits with zerosided error using only 2 3 N + O( N log( -1 log N)) queries: the algorithm returns the correct an...
Thomas P. Hayes, Samuel Kutin, Dieter van Melkebee...
112
Voted
CIKM
2008
Springer
15 years 2 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...
127
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AAAI
2007
15 years 3 months ago
Semantic Inference at the Lexical-Syntactic Level
Semantic inference is an important component in many natural language understanding applications. Classical approaches to semantic inference rely on complex logical representation...
Roy Bar-Haim, Ido Dagan, Iddo Greental, Eyal Shnar...