588 search results - page 38 / 118 » Positive higher-order queries |
132
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MOBIQUITOUS
2007
IEEE
15 years 10 months ago
2007
IEEE
—The skip graph, an application-layer data structure for routing and indexing, may be used in a sensor network to facilitate queries of the distributed k-dimensional data collect...
118
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SSD
2007
Springer
15 years 10 months ago
2007
Springer
In this paper we study the evaluation of continuous constraint queries (CCQs) for spatiotemporal streams. A CCQ triggers an alert whenever a configuration of constraints between s...
124
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AMR
2005
Springer
15 years 10 months ago
2005
Springer
Abstract. Different strategies to learn user semantic queries from dissimilarity representations of video audio-visual content are presented. When dealing with large corpora of vi...
133
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SSDBM
2010
IEEE
15 years 9 months ago
2010
IEEE
One challenge in Earth science research is the accurate and efficient ad-hoc query and retrieval of Earth science satellite sensor data based on user-defined criteria to study and...
163
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TKDE
2010
15 years 2 months ago
2010
—The increasing availability of location-aware mobile devices has given rise to a flurry of location-based services (LBS). Due to the nature of spatial queries, an LBS needs the...