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IS
2007
15 years 6 months ago
Semantic optimization techniques for preference queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
Jan Chomicki
EUSFLAT
2003
15 years 8 months ago
Capacities on lattices and k-ary capacities
We propose a general notion of capacity defined on any finite distributive lattice, encompassing usual capacities, bi-capacities, and their immediate extensions called k-ary cap...
Michel Grabisch, Christophe Labreuche
CRIWG
2007
15 years 8 months ago
Alternative Dispute Resolution Based on the Storytelling Technique
Abstract. This paper describes a groupware prototype addressing the alternative resolution of legal conflicts. The groupware prototype integrates the storytelling and argumentation...
Pedro Antunes, Sara Relvas, Marcos R. S. Borges
MMS
2007
15 years 8 months ago
Standards for Ambient Learning Environments
: The integration of information systems is not a new challenge. As one instrument, standards provide interfaces for integrated information systems. With regard to the recent adven...
Markus Bick, Tyge Kummer, Jan M. Pawlowski, Patric...
CRIWG
2004
15 years 8 months ago
SaGISC: A Geo-Collaborative System
The production of geological mapping by conventional processes is a complex work of data gathering and integration, along with expert and team analysis. This process is very time c...
Paula André, Pedro Antunes