arXivDaily arXiv每日学术速递 周一至周五更新
arXiv cs/0211042cs.DBcs.LO
收藏

数据库修复和分析表

Database Repairs and Analytic Tableaux

Leopoldo Bertossi, Camilla Schwind

摘要:

在这篇文章中,我们的特点是在分析tableaux不一致的关系数据库,即不满足一组给定的完整性约束的数据库的修复。为此,我们提供了为数据库实例及其完整性约束构建的表中分支的关闭和打开条件。我们使用基于表格的表征作为一致的查询回答的基础,即从数据库中检索查询的答案是一致的wrt的完整性约束。

英文摘要:

In this article, we characterize in terms of analytic tableaux the repairs of inconsistent relational databases, that is databases that do not satisfy a given set of integrity constraints. For this purpose we provide closing and opening criteria for branches in tableaux that are built for database instances and their integrity constraints. We use the tableaux based characterization as a basis for consistent query answering, that is for retrieving from the database answers to queries that are consistent wrt the integrity constraints.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑