Abstract
When databases are at risk of containing erroneous, redundant, or obsolete data, a cleaning procedure is used to detect, correct or remove such undesirable records. We propose a methodology for improving data cleaning efficiency in a large hierarchical database. The methodology relies on Shannon’s information entropy for measuring the amount of information stored in databases. This approach, which builds on previously-gathered statistical data regarding the prevalence of errors in the database, enables the decision maker to determine which components of the database are likely to have undergone more information loss, and thus to prioritize those components for cleaning. In particular, in cases where the cleaning process is iterative (from the root node down), the entropic approach produces a scientifically motivated stopping rule that determines the optimal (i.e. minimally required) number of tiers in the hierarchical database that need to be examined. This stopping rule defines a more streamlined representation of the database, in which less informative tiers are eliminated.
| Original language | English |
|---|---|
| Title of host publication | Big Data – BigData 2020 - 9th International Conference, Held as Part of the Services Conference Federation, SCF 2020, Proceedings |
| Editors | Surya Nepal, Wenqi Cao, Aziz Nasridinov, MD Zakirul Alam Bhuiyan, Xuan Guo, Liang-Jie Zhang |
| Publisher | Springer Science and Business Media Deutschland GmbH |
| Pages | 3-12 |
| Number of pages | 10 |
| ISBN (Print) | 9783030596118 |
| DOIs | |
| State | Published - 2020 |
| Event | 9th International Conference on Big Data, BigData 2020, held as part of the Services Conference Federation, SCF 2020 - Honolulu, United States Duration: 18 Sep 2020 → 20 Sep 2020 |
Publication series
| Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
|---|---|
| Volume | 12402 LNCS |
| ISSN (Print) | 0302-9743 |
| ISSN (Electronic) | 1611-3349 |
Conference
| Conference | 9th International Conference on Big Data, BigData 2020, held as part of the Services Conference Federation, SCF 2020 |
|---|---|
| Country/Territory | United States |
| City | Honolulu |
| Period | 18/09/20 → 20/09/20 |
Bibliographical note
Publisher Copyright:© 2020, Springer Nature Switzerland AG.
Funding
The research of Eugene Levner, Arriel Benis and Shai Ashkenazi is supported by the grant of the Ariel University and Holon Institute of Technology (Israel) “Appli-cations of Artificial Intelligence for enhancing efficiency of vaccination programs” [no. RA19000000649]. The research of Alexander Ptuskin is supported by the grant of the Russian Foundation for Basic Research “Development of economic-mathematical methods for evaluation of alternative options and identification of the best available technologies” [no. 18-410-400001]. Acknowledgement. The research of Eugene Levner, Arriel Benis and Shai Ashkenazi is supported by the grant of the Ariel University and Holon Institute of Technology (Israel) “Applications of Artificial Intelligence for enhancing efficiency of vaccination programs” [no. RA19000000649]. The research of Alexander Ptuskin is supported by the grant of the Russian Foundation for Basic Research “Development of economic-mathematical methods for evaluation of alternative options and identification of the best available technologies” [no. 18-410-400001].
| Funders | Funder number |
|---|---|
| Holon Institute of Technology (Israel) “Appli-cations of Artificial Intelligence | |
| Holon Institute of Technology (Israel) “Applications of Artificial Intelligence | RA19000000649 |
| Russian Foundation for Basic Research | 18-410-400001 |
| Ariel University |
Keywords
- Data cleaning
- Entropy evaluation
- Entropy-based analytics
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