799 search results - page 41 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
103
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DCOSS
2007
Springer
15 years 3 months ago
2007
Springer
Sensor networks are often used to sense the physical world and provide observations for various uses. In hostile environments, it is critical to control the network access to ensur...
103
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DEBS
2010
ACM
14 years 6 months ago
2010
ACM
Many XML filtering systems have emerged in recent years identifying XML data that structurally match XPath queries in an efficient way. However, apart from structural matching, it...
103
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WWW
2010
ACM
15 years 5 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
122
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SPIRE
2009
Springer
15 years 6 months ago
2009
Springer
Abstract. Term-partitioned indexes are generally inefficient for the evaluation of conjunctive queries, as they require the communication of long posting lists. On the other side, ...
176
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...