单调和非单调偏好修正
Monotonic and Nonmonotonic Preference Revision
摘要:
我们在这里研究偏好修正,考虑单调的情况下,原始的偏好被保留和非单调的情况下,新的偏好可能会覆盖原来的。我们使用一个关系框架,其中偏好使用二元关系(不一定是有限的)表示。我们确定了几类保留顺序公理的修订,例如严格偏序或弱序公理。我们考虑我们的结果的应用程序,在关系数据库的偏好查询。
英文摘要:
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 the original ones. We use a relational framework in which preferences are represented using binary relations (not necessarily finite). We identify several classes of revisions that preserve order axioms, for example the axioms of strict partial or weak orders. We consider applications of our results to preference querying in relational databases.
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