Efficient profiling for estimation of query result quality

Yeganeh, Naiem K., Sadiq, Shazia, Sharaf, Mohamed A. and Deng, Ke (2011). Efficient profiling for estimation of query result quality. In: Proceedings of the 16th International Conference on Information Quality (ICIQ-11). 16th International Conference on Information Quality (ICIQ-11), Adelaide, Australia, (415-426). 18-20 November 2011.

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Author Yeganeh, Naiem K.
Sadiq, Shazia
Sharaf, Mohamed A.
Deng, Ke
Title of paper Efficient profiling for estimation of query result quality
Conference name 16th International Conference on Information Quality (ICIQ-11)
Conference location Adelaide, Australia
Conference dates 18-20 November 2011
Proceedings title Proceedings of the 16th International Conference on Information Quality (ICIQ-11)
Journal name ICIQ 2011 - Proceedings of the 16th International Conference on Information Quality
Place of Publication Adelaide, Australia
Publisher University of South Australia
Publication Year 2011
Sub-type Fully published paper
Start page 415
End page 426
Total pages 12
Collection year 2012
Language eng
Abstract/Summary The issue of Data Quality (DQ) is of increasing importance as individuals as well as corporations are relying on multiple, often external sources of data to make decisions. Data quality profiles consist of statistical measurements about the quality of data sets. Query systems can use DQ profiles as a form of metadata to estimate the quality of a query result set. Traditional DQ profiling provides an estimate on the overall quality of a data set or data source, but quality of a query result can be remarkably different from the overall quality of the data set because conditions within the query typically select a subset of the data. In this paper we propose an efficient conditional DQ profiling method which can estimate the quality of a result set for a given query with guaranteed user definable level of accuracy.
Keyword Data Quality Profiling
Conditional Data Quality
Query Result
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Sat, 17 Mar 2012, 02:04:13 EST by Ms Deborah Brian on behalf of School of Information Technol and Elec Engineering