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» Database: Models, Languages, Design
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ER
2005
Springer
91views Database» more  ER 2005»
16 years 1 months ago
A Fundamental View on the Process of Conceptual Modeling
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...
Stijn Hoppenbrouwers, Henderik Alex Proper, Theo P...
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
16 years 7 months ago
High-performance complex event processing over streams
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...
Eugene Wu 0002, Yanlei Diao, Shariq Rizvi
210
Voted
SPEECH
1998
118views more  SPEECH 1998»
15 years 7 months ago
Dimensionality reduction of electropalatographic data using latent variable models
We consider the problem of obtaining a reduced dimension representation of electropalatographic (EPG) data. An unsupervised learning approach based on latent variable modelling is...
Miguel Á. Carreira-Perpiñán, ...
187
Voted
WWW
2001
ACM
16 years 8 months ago
A unified constraint model for XML
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
Gabriel M. Kuper, Jérôme Siméo...
173
Voted
SIGIR
1996
ACM
15 years 11 months ago
A Deductive Data Model for Query Expansion
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...
Kalervo Järvelin, Jaana Kristensen, Timo Niem...