查询语言中的首选项和双极性

NAFIPS 2008 - 2008 Annual Meeting of the North American Fuzzy Information Processing Society Pub Date : 2008-05-19 DOI:10.1109/NAFIPS.2008.4531239

L. Lietard, D. Rocacher

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引用次数: 7

摘要

将用户首选项集成到针对关系数据库管理系统的查询中，可以获得更相关的答案。本文简要回顾了用于在查询中集成用户偏好的不同语言(PreferenceSQL和SQLf)。特别注意的是偏好的表达，以及它对提供给用户的结果的影响。两个特定的概念处理:可通约性和双极性。这个框架可以作为扩展SQLf语言的基础。

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Preferences and bipolarity in query languages

The integration of user preferences into queries addressed to a relational database management system allows to obtain more relevant answers. This paper is a short review of the different languages (PreferenceSQL and SQLf) proposed to integrate users' preferences inside queries. A particular attention is put on the expression of preferences, and the impact it has on the result provided to the user. Two particular concepts are dealt with : commensurability and bipolarity. This framework can be the base for an extended SQLf language.

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NAFIPS 2008 - 2008 Annual Meeting of the North American Fuzzy Information Processing Society

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