2674 search results - page 148 / 535 » Data Models and Query Languages for Spatial Databases |
150
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ADBIS
2004
Springer
15 years 10 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...
161
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BIODATAMINING
2008
15 years 5 months ago
2008
Background: In computer science, database systems are based on the relational model founded by Edgar Codd in 1970. On the other hand, in the area of biology the word 'databas...
216
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
We propose a demonstration of Cayuga, a complex event monitoring system for high speed data streams. Our demonstration will show Cayuga applied to monitoring Web feeds; the demo w...
150
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
The rise of GPS and broadband-speed wireless devices has led to tremendous excitement about a range of applications broadly characterized as "location based services". Cu...
154
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...