4468 search results - page 638 / 894 » Processing Forecasting Queries |
147
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ICDT
1999
ACM
15 years 8 months ago
1999
ACM
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and qu...
137
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AGENTS
1998
Springer
15 years 8 months ago
1998
Springer
We propose an agent for exploring and categorizing documents on the World Wide Web based on a user pro le. The heart of the agent is an automatic categorization of a set of docume...
181
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SIGMOD
1997
ACM
15 years 8 months ago
1997
ACM
Aggregation in traditional database systems is performed in batch mode: a query is submitted, the system processes a large volume of data over a long period of time, and, eventual...
164
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LPNMR
1997
Springer
15 years 8 months ago
1997
Springer
Turi [20] introduced the important notion of a constrained atom: an atom with associated equality and disequality constraints on its arguments. A set of constrained atoms is a cons...
129
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SIGIR
1993
ACM
15 years 8 months ago
1993
ACM
According to the logical model of Information Retrieval (IR), the task of IR can be described as the extraction, from a given document base, of those documents d that, given a que...