145 search results - page 14 / 29 » Data summaries for on-demand queries over linked data |
SENSYS
2003
ACM
15 years 2 months ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...
210
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
The wide popularity of free-and-easy keyword based searches over World Wide Web has fueled the demand for incorporating keyword-based search over structured databases. However, mo...
175
Voted
SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
105
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SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
106
Voted
SSDBM
1999
IEEE
15 years 1 months ago
1999
IEEE
Multidimensional Analysis in On-Line Analytical Processing (OLAP), and Scientific and statistical databases (SSDB) use operations requiring summary information on multi-dimensiona...