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» Bipolar Queries and Queries with Preferences
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FUIN
2008
88views more  FUIN 2008»
13 years 7 months ago
Preferential Regular Path Queries
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for "scaling" up or down...
Gösta Grahne, Alex Thomo, William W. Wadge
ICDE
2008
IEEE
194views Database» more  ICDE 2008»
14 years 9 months ago
P-Cube: Answering Preference Queries in Multi-Dimensional Space
Many new applications that involve decision making need online (i.e., OLAP-styled) preference analysis with multidimensional boolean selections. Typical preference queries includes...
Dong Xin, Jiawei Han
IS
2007
13 years 7 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»
14 years 1 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
EDBT
2002
ACM
112views Database» more  EDBT 2002»
14 years 7 months ago
Querying with Intrinsic Preferences
The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and ex...
Jan Chomicki