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SIGMOD
2002
ACM
134views Database» more  SIGMOD 2002»
15 years 12 months ago
Data Modelling versus Ontology Engineering
Ontologies in current computer science parlance are computer based resources that represent agreed domain semantics. Unlike data models, the fundamental asset of ontologies is the...
Peter Spyns, Robert Meersman, Mustafa Jarrar
CHI
2010
ACM
15 years 6 months ago
Designing a technological playground: a field study of the emergence of play in household messaging
We present findings from a field study of Wayve, a situated messaging device for the home that incorporates handwriting and photography. Wayve was used by 24 households (some of w...
Siân E. Lindley, Richard H. R. Harper, Abiga...
BIRTHDAY
2009
Springer
15 years 6 months ago
Formal Series of General Algebras over a Field and Their Syntactic Algebras
Any mapping S : C → K, where K is a field and C = (C, Σ) is a Σ-algebra, is called a KC-series. These series are natural generalizations of both formal series on strings over...
Zoltán Fülöp, Magnus Steinby
ICCSA
2009
Springer
15 years 6 months ago
Designing Data Warehouses for Geographic OLAP Querying by Using MDA
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
Octavio Glorio, Juan Trujillo
CEC
2009
IEEE
15 years 6 months ago
A cognitive system based on fuzzy information processing and multi-objective evolutionary algorithm
— A cognitive system is presented, which is based on coupling a multi-objective evolutionary algorithm with a fuzzy information processing system. The aim of the system is to ide...
Michael S. Bittermann, Özer Ciftcioglu, I. Se...