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MODELS
2009
Springer
14 years 1 months ago
On-the-Fly Construction, Correctness and Completeness of Model Transformations Based on Triple Graph Grammars
Triple graph grammars (TGGs) are a formal and intuitive concept for the specification of model transformations. Their main advantage is an automatic derivation of operational rule...
Hartmut Ehrig, Claudia Ermel, Frank Hermann, Ulrik...
VLDB
2001
ACM
86views Database» more  VLDB 2001»
14 years 1 months ago
Intelligent Rollups in Multidimensional OLAP Data
In this paper we propose a new operator for advanced exploration of large multidimensional databases. The proposed operator can automatically generalize from a specific problem c...
Gayatri Sathe, Sunita Sarawagi
SIGECOM
1999
ACM
125views ECommerce» more  SIGECOM 1999»
14 years 1 months ago
Privacy in e-commerce: examining user scenarios and privacy preferences
Privacy is a necessary concern in electronic commerce. It is difficult, if not impossible, to complete a transaction without revealing some personal data – a shipping address, b...
Mark S. Ackerman, Lorrie Faith Cranor, Joseph Reag...
FUZZIEEE
2007
IEEE
14 years 1 months ago
A System for Querying with Qualitative Distances in Networks
A central role of Geographic Information Systems (GIS) is to allow the identification and visualisation of relevant spatial features from typically large volumes of data. This requ...
Carl P. L. Schultz, Hans W. Guesgen, Robert Amor
GROUP
2007
ACM
14 years 1 months ago
A field study of community bar: (mis)-matches between theory and practice
Community Bar (CB) is groupware supporting informal awareness and casual interaction. CB's design was derived from three sources: prior empirical research findings concerning...
Natalia A. Romero, Gregor McEwan, Saul Greenberg