Affiliation:
1. University of Edinburgh
2. Harbin Institute of Technology
3. Beihang University
Abstract
We present CerFix, a data cleaning system that finds
certain fixes
for tuples at the point of data entry,
i.e.
, fixes that are guaranteed correct. It is based on master data, editing rules and certain regions. Given some attributes of an input tuple that are validated (assured correct), editing rules tell us what other attributes to fix and how to correct them with master data. A certain region is a set of attributes that, if validated, warrant a certain fix for the entire tuple. We demonstrate the following facilities provided by CerFix: (1) a region finder to identify certain regions; (2) a data monitor to find certain fixes for input tuples, by guiding users to validate a minimal number of attributes; and (3) an auditing module to show what attributes are fixed and where the correct values come from.
Subject
General Earth and Planetary Sciences,Water Science and Technology,Geography, Planning and Development
Cited by
6 articles.
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