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JIDM
2010
160views more  JIDM 2010»
13 years 3 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
SIGMOD
2007
ACM
160views Database» more  SIGMOD 2007»
14 years 4 months ago
Supporting ranking and clustering as generalized order-by and group-by
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
Chengkai Li, Min Wang, Lipyeow Lim, Haixun Wang, K...
LOGCOM
2007
97views more  LOGCOM 2007»
13 years 4 months ago
A General Framework for Expressing Preferences in Causal Reasoning and Planning
We consider the problem of incorporating arbitrary preferences in planning systems. A preference may be seen as a goal or constraint that is desirable, but not necessary, to satis...
James P. Delgrande, Torsten Schaub, Hans Tompits
ICDE
2004
IEEE
101views Database» more  ICDE 2004»
14 years 5 months ago
Personalization of Queries in Database Systems
As information becomes available in increasing amounts to a wide spectrum of users, the need for a shift towards a more user-centered information access paradigm arises. We develo...
Georgia Koutrika, Yannis E. Ioannidis