Computing Surveys (CSUR)


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ACM Computing Surveys (CSUR), Volume 41 Issue 3, July 2009

Online reorganization of databases
Gary H. Sockut, Balakrishna R. Iyer
Article No.: 14
DOI: 10.1145/1541880.1541881

In practice, any database management system sometimes needs reorganization, that is, a change in some aspect of the logical and/or physical arrangement of a database. In traditional practice, many types of reorganization have required denying...

Anomaly detection: A survey
Varun Chandola, Arindam Banerjee, Vipin Kumar
Article No.: 15
DOI: 10.1145/1541880.1541882

Anomaly detection is an important problem that has been researched within diverse research areas and application domains. Many anomaly detection techniques have been specifically developed for certain application domains, while others are more...

Methodologies for data quality assessment and improvement
Carlo Batini, Cinzia Cappiello, Chiara Francalanci, Andrea Maurino
Article No.: 16
DOI: 10.1145/1541880.1541883

The literature provides a wide range of techniques to assess and improve the quality of data. Due to the diversity and complexity of these techniques, research has recently focused on defining methodologies that help the selection, customization,...

A survey of Web clustering engines
Claudio Carpineto, Stanislaw Osiński, Giovanni Romano, Dawid Weiss
Article No.: 17
DOI: 10.1145/1541880.1541884

Web clustering engines organize search results by topic, thus offering a complementary view to the flat-ranked list returned by conventional search engines. In this survey, we discuss the issues that must be addressed in the development of a Web...