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» Semantic Optimization of Preference Queries
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IS
2007
13 years 3 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
CDB
2004
Springer
169views Database» more  CDB 2004»
13 years 9 months ago
Semantic Optimization of 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). We present here a nu...
Jan Chomicki
IJCAI
2003
13 years 5 months ago
A New Look at the Semantics and Optimization Methods of CP-Networks
Preference elicitation is a serious bottleneck in many decision support applications and agent specification tasks. CP-nets were designed to make the preference elicitation proces...
Ronen I. Brafman, Yannis Dimopoulos
SIGECOM
2010
ACM
183views ECommerce» more  SIGECOM 2010»
13 years 8 months ago
Assessing regret-based preference elicitation with the UTPREF recommendation system
Product recommendation and decision support systems must generally develop a model of user preferences by querying or otherwise interacting with a user. Recent approaches to elici...
Darius Braziunas, Craig Boutilier
ERCIMDL
2007
Springer
114views Education» more  ERCIMDL 2007»
13 years 7 months ago
Semantics and Pragmatics of Preference Queries in Digital Libraries
As information becomes available in increasing amounts, and to growing numbers of users, the shift towards a more user-centered, or personalized access to information becomes cruci...
Elhadji Mamadou Nguer