549 search results - page 89 / 110 » Data Expiration and Aggregate Queries |
157
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GIS
2009
ACM
16 years 25 days ago
2009
ACM
Many popular online services provide "local" or "yellow-pages" search, but none of them allow users to customize the search over user-specified data. Instead, ...
JDM
2000
14 years 11 months ago
2000
Advanced Traveler Information Systems (ATIS) require e cient information retrieval and updating in a dynamic environment at di erent geographical scales. ATIS applications are use...
152
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
113
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ICDE
2009
IEEE
15 years 6 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...
92
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HICSS
2003
IEEE
15 years 5 months ago
2003
IEEE
Many organizations often underutilize their already constructed data warehouses. In this paper, we suggest a novel way of acquiring more information from corporate data warehouses...