9 citations · 22 across the 9 of their papers we have counts for
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cs.DB2005
Semantic Optimization Techniques for Preference Queries
Jan Chomicki
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…
cs.DB2005★ 9 cited
Priority-Based Conflict Resolution in Inconsistent Relational Databases
Slawomir Staworko, Jan Chomicki
We study here the impact of priorities on conflict resolution in inconsistent relational databases. We extend the framework of repairs and consistent query answers. We propose a se…
cs.DB2005★ 5 cited
Monotonic and Nonmonotonic Preference Revision
Jan Chomicki, Joyce Song
We study here preference revision, considering both the monotonic case where the original preferences are preserved and the nonmonotonic case where the new preferences may override…