686 search results - page 40 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
186
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ICDE
2012
IEEE
13 years 8 months ago
2012
IEEE
—A major challenge faced by today’s information systems is that of evolution as data usage evolves or new data resources become available. Modern organizations sometimes exchan...
167
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DAGSTUHL
2007
15 years 7 months ago
2007
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...
198
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IS
2006
15 years 6 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
136
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ISI
2004
Springer
15 years 11 months ago
2004
Springer
Counterterrorism and intelligence tasks rely on the efficient collection, analysis and dissemination of information. While information systems play a key role in such tasks, databa...
144
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CIKM
2005
Springer
15 years 11 months ago
2005
Springer
This paper shows a scheme for incremental evaluation of XPath queries. Here, we focus on a monotone fragment of XPath, i.e., when a data is deleted from (or inserted to) the datab...