Method and apparatus for rapid identification of column heterogeneity

• Main Authors: DAI, Bing Tian, KOUDAS, Nikolaos, OOI, Beng Chin, SRIVASTAVA, Divesh, VENKATASUBRANMANIAN, Suresh
• 格式: text
• 語言: English
• 出版: Institutional Knowledge at Singapore Management University 2012
• 主題: Databases and Information Systems
• 在線閱讀: https://ink.library.smu.edu.sg/sis_research/3670; https://ink.library.smu.edu.sg/context/sis_research/article/4672/viewcontent/US8176016.pdf
• 機構: Singapore Management University

A method and apparatus for rapid identification of column heterogeneity in databases are disclosed. For example, the method receives data associated with a column in a database. The method computes a cluster entropy for the data as a measure of data heterogeneity and then determines whether said dat...