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ER
1998
Springer
88views Database» more  ER 1998»
14 years 1 months ago
Numerical Aspects in the Data Model of Conceptual Information Systems
Abstract. While most data analysis and decision support tools use numerical aspects of the data, Conceptual Information Systems focus on their conceptual structure. This paper disc...
Gerd Stumme, Karl Erich Wolff
ICC
2009
IEEE
135views Communications» more  ICC 2009»
13 years 6 months ago
A Discrete Channel Model for Capturing Memory and Soft-Decision Information: A Capacity Study
A discrete (binary-input 2q -ary output) communication channel with memory is introduced with the objective to judiciously capture both the statistical memory and the soft-decision...
Cecilio Pimentel, Fady Alajaji
DMS
2008
106views Multimedia» more  DMS 2008»
13 years 10 months ago
A Multimedia Data Streams Model for Content-based Information Retrieval
: Multimedia applications nowadays are becoming the standard, for they utilize the enormous human brain computational power. In the past, the Relational Database Model was generali...
Shenoda Guirguis, Rohit Kulkarni, Shi-Kuo Chang
ICEBE
2005
IEEE
96views Business» more  ICEBE 2005»
14 years 2 months ago
Adding Physical Optimization to Cost Models in Information Mediators
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
Justo Hidalgo, Alberto Pan, José Losada, Ma...
EMNLP
2010
13 years 7 months ago
Positional Language Models for Clinical Information Retrieval
The PECO framework is a knowledge representation for formulating clinical questions. Queries are decomposed into four aspects, which are Patient-Problem (P), Exposure (E), Compari...
Florian Boudin, Jian-Yun Nie, Martin Dawes