4255 search results - page 347 / 851 » Database: Models, Languages, Design |
141
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ER
2005
Springer
16 years 19 days ago
2005
Springer
Abstract. In an ongoing effort to better understand the process of creating conceptual models (in particular formal ones), we present a fundamental view of the process of modeling...
309
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
200
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SPEECH
1998
15 years 6 months ago
1998
We consider the problem of obtaining a reduced dimension representation of electropalatographic (EPG) data. An unsupervised learning approach based on latent variable modelling is...
180
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WWW
2001
ACM
16 years 7 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
166
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SIGIR
1996
ACM
15 years 11 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...