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» Evaluation of Conditional Preference Queries
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JIDM
2010
160views more  JIDM 2010»
13 years 2 months ago
Evaluation of Conditional Preference Queries
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
Fabiola S. F. Pereira, Sandra de Amo
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
AI
2010
Springer
13 years 3 months ago
Learning conditional preference networks
We investigate the problem of eliciting CP-nets in the well-known model of exact learning with equivalence and membership queries. The goal is to identify a preference ordering wi...
Frédéric Koriche, Bruno Zanuttini
FOIKS
2006
Springer
13 years 7 months ago
Iterative Modification and Incremental Evaluation of Preference Queries
Abstract. We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is on query modification: ...
Jan Chomicki
MIS
2004
Springer
162views Multimedia» more  MIS 2004»
13 years 9 months ago
Integrating the Results of Multimedia Sub-Queries Using Qualitative Preferences
When similarity queries over multimedia databases are processed by splitting the overall query condition into a set of sub-queries, the problem of how to efficiently and effectiv...
Ilaria Bartolini, Paolo Ciaccia, Vincent Oria, M. ...