2145 search results - page 164 / 429 » Pattern-Based Query Answering |
142
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DMSN
2005
ACM
15 years 4 months ago
2005
ACM
In this paper we present the Threshold Join Algorithm (TJA), which is an efficient TOP-k query processing algorithm for distributed sensor networks. The objective of a top-k query...
140
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TKDE
2010
15 years 25 days ago
2010
—Uncertain data is inherent in various important applications and reverse nearest neighbor (RNN) query is an important query type for many applications. While many different type...
125
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ADBIS
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
203
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ICDE
2005
IEEE
16 years 3 months ago
2005
IEEE
In this paper we introduce the idea of snapshot queries for energy efficient data acquisition in sensor networks. Network nodes generate models of their surrounding environment th...
118
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CIKM
2009
Springer
15 years 9 months ago
2009
Springer
This paper proposes a strategy to reduce the amount of hardware involved in the solution of search engine queries. It proposes using a secondary compact cache that keeps minimal i...