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This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
208
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The tremendous increase in the use of cellular phones, GPS-like devices, and RFIDs results in highly dynamic environments where objects as well as queries are continuously moving. ...
210
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Location-aware environments are characterized by a large number of objects and a large number of continuous queries. Both the objects and continuous queries may change their locati...
205
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The wide spread of location-based services results in a strong market for location-detection devices (e.g., GPS-like devices, RFIDs, handheld devices, and cellular phones). Example...
209
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Indexing moving objects is a fundamental issue in spatiotemporal databases. In this paper, we propose an adaptive Lazy-Update Grid-based index (LUGrid, for short) that minimizes th...
183
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This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desire...
206
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VLDB
2006
ACM
17 years 1 months ago
2006
ACM
This paper tackles a major privacy concern in current location-based services where users have to continuously report their locations to the database server in order to obtain the ...
176
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Publication
James A. Skarie, Biplob K. Debnath, David J. Lilja, and Mohamed F. Mokbel. "SCRAP: A Statistical Approach for Creating Compact Representational Query Workload based on Perform...
169
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Applications that create and consume unstructured data have grown both in scale of storage requirements and complexity of search primitives. We consider two such applications: exha...