7607 search results - page 1459 / 1522 » Querying data provenance |
117
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EDBTW
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. The unprecedented growth and increased importance of geographically distributed spatial data has created a strong need for efficient sharing of such data. Interestingly, ...
153
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PKDD
2004
Springer
15 years 7 months ago
2004
Springer
The next wave in search technology will be driven by the identification, extraction, and exploitation of real-world entities represented in unstructured textual sources. Search sy...
124
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MOBIDE
2003
ACM
15 years 7 months ago
2003
ACM
This paper presents a general-purpose distributed lookup service, denoted Passive Distributed Indexing (PDI). PDI stores entries in form of (key, value) pairs in index caches loca...
120
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SENSYS
2003
ACM
15 years 7 months ago
2003
ACM
The widespread deployment of sensor networks is on the horizon. One of the main challenges in sensor networks is to process and aggregate data in the network rather than wasting e...
104
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PODS
2010
ACM
15 years 7 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...