686 search results - page 45 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
275
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ICDE
2000
IEEE
16 years 7 months ago
2000
IEEE
Abstract Arturo Crespo, Orkut Buyukkokten, and Hector Garcia-Molina Stanford University With information dissemination (information push), data is delivered from a set of producers...
139
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WEBDB
2005
Springer
15 years 11 months ago
2005
Springer
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
203
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EDBT
2012
ACM
13 years 8 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
153
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CIKM
2003
Springer
15 years 11 months ago
2003
Springer
We present a strategy for answering fact-based natural language questions that is guided by a characterization of realworld user queries. Our approach, implemented in a system cal...
164
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
An important issue arising from large scale data integration is how to efficiently select the top-K ranking answers from multiple sources while minimizing the transmission cost. T...