1180 search results - page 115 / 236 » A Logical Data Model for Integrated Geographical Databases |
132
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MM
2004
ACM
15 years 9 months ago
2004
ACM
In this paper, we propose a unified framework, called Markov Model Mediator (MMM), to facilitate image database clustering and to improve the query performance. The structure of t...
135
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VLDB
2004
ACM
15 years 9 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
172
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ARGMAS
2004
Springer
15 years 9 months ago
2004
Springer
Abstract. One of the most difficult problems in multiagent systems involves representing knowledge and beliefs of agents in dynamic environments. New perceptions modify an agent’...
244
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
141
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SAC
2004
ACM
15 years 9 months ago
2004
ACM
Until recently, issues in image retrieval have been handled in DBMSs and in computer vision as separate research works. Nowadays, the trend is towards integrating the two approach...