413 search results - page 38 / 83 » Optimizing Queries Across Diverse Data Sources |
INFOCOM
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—Recent advances in computer technology and wireless communications have enabled the emergence of stream-based sensor networks. In such sensor networks, real-time data ar...
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ER
2010
Springer
14 years 7 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
We consider the problem of horizontally partitioning a dynamic relation across a large number of disks/nodes by the use of range partitioning. Such partitioning is often desirable...
BNCOD
2008
14 years 11 months ago
2008
Abstract. Accurate selectivity estimations are essential for query optimization decisions where they are typically derived from various kinds of histograms which condense value dis...
COOPIS
2003
IEEE
15 years 3 months ago
2003
IEEE
Abstract. Decision-makers in critical fields such as medicine and finance make use of a wide range of information available over the Internet. Mediation, a data integration techn...