710 search results - page 89 / 142 » Querying continuous functions in a database system |
179
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ICDE
1994
IEEE
15 years 10 months ago
1994
IEEE
We describe the design and implementation of QBISM (Query By Interactive, Spatial Multimedia), a prototype for querying and visualizing 3D spatial data. Our first application is i...
260
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...
160
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SSD
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
192
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We are developing a distributed query processor called PIER, which is designed to run on the scale of the entire Internet. PIER utilizes a Distributed Hash Table (DHT) as its comm...
262
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VLDB
2009
ACM
16 years 6 months ago
2009
ACM
Information is valuable to users when it is available not only at the right time but also at the right place. To support efficient location-based data access in wireless data broad...