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ER
1998
Springer
88views Database» more  ER 1998»
14 years 19 days 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
EKAW
1999
Springer
14 years 21 days ago
Acquiring Expert Knowledge for the Design of Conceptual Information Systems
Abstract. Conceptual Information Systems unfold the conceptual structure of data stored in relational databases. In the design phase of the system, conceptual hierarchies have to b...
Gerd Stumme
ER
2004
Springer
103views Database» more  ER 2004»
14 years 1 months ago
Modeling Default Induction with Conceptual Structures
Our goal is to model the way people induce knowledge from rare and sparse data. This paper describes a theoretical framework for inducing knowledge from these incomplete data descr...
Julien Velcin, Jean-Gabriel Ganascia
GIS
1999
ACM
14 years 21 days ago
Spatio-Temporal Conceptual Models: Data Structures + Space + Time
Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be fou...
Christine Parent, Stefano Spaccapietra, Esteban Zi...
GIS
2009
ACM
14 years 1 months ago
Conceptualization of place via spatial clustering and co-occurrence analysis
More and more users are contributing and sharing more and more contents on the Web via the use of content hosting sites and social media services. These user–generated contents ...
Dong-Po Deng, Tyng-Ruey Chuang, Rob Lemmens