8349 search results - page 1451 / 1670 » Introduction to Information Retrieval |
141
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PODS
2006
ACM
16 years 4 months ago
2006
ACM
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...
144
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EDBT
2004
ACM
16 years 4 months ago
2004
ACM
Peer-to-peer (P2P) systems are gaining increasing popularity as a scalable means to share data among a large number of autonomous nodes. In this paper, we consider the case in whic...
126
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
An active XML (AXML) document contains tags representing calls to Web services. Therefore, retrieving its contents consists in materializing its data elements by invoking the embe...
135
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MOBIHOC
2006
ACM
16 years 4 months ago
2006
ACM
Data storage has become an important issue in sensor networks as a large amount of collected data need to be archived for future information retrieval. This paper introduces stora...
118
Voted
DCC
2007
IEEE
16 years 4 months ago
2007
IEEE
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...