822 search results - page 91 / 165 » RFID Data Processing with a Data Stream Query Language |
169
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ISMIS
1997
Springer
15 years 9 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
143
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PPOPP
2005
ACM
15 years 10 months ago
2005
ACM
In this paper, we develop a new language construct to address one of the pitfalls of parallel programming: precise handling of events across parallel components. The construct, te...
158
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SIGMOD
2010
ACM
15 years 9 months ago
2010
ACM
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
133
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WEBDB
2009
Springer
15 years 11 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
127
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GEOS
2005
Springer
15 years 10 months ago
2005
Springer
This paper analyses reported difficulties in spatial data retrieval from Internet portals, based on results from an empirical survey. The analysis reveals the problems which cause ...