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[Dimacs-ccicada-announce] **ANNOUNCEMENT** FEATURED SPEAKER-DEC8 CCICADA Research Lab Meeting: Linda Ness, DIMACS Research Professor

James Wojtowicz jwojtowi at dimacs.rutgers.edu
Tue Dec 6 07:32:52 EST 2016


**ANNOUNCEMENT**
Command, Control and Interoperability Center for Advanced Data Analysis - CCICADA
CCICADA Research Lab Meeting

Date/Time: Thursday, December 8, 2016, 12:15pm

Location: Computing Research & Education Building (CoRE), Busch Campus, Rutgers, the State University of NJ
6th Floor Conference Room - 631 **NOTE the LOCATION (one time change)**


FEATURED SPEAKER: Linda Ness, DIMACS Research Professor

Title:   Data Quality Analysis of Mutual Constraint Violations

Abstract/Description:
The CCICADA Data Quality team performed an in-depth data quality analysis of a customer database. The team defined a set of complex domain specific data quality constraints and identified violations in a set of 5 samples of data. This talk will report on a small follow-on study which analyzed the mutual constraint violations. The is provides a data quality attribute for each data item and  enables histogram data quality summaries for each query and data sample. Unique multi scale statistical parameters were computed to statistically characterize the histogram distributions for each sample. They are visualized by colorful day wheels to enable cognitive recognition of the difference in data quality between the samples. The method is general and could be applied to any data set described by a set of binary features.




James Wojtowicz, Managing Director
CCICADA
Rutgers, the State University of NJ
jwojtowi at dimacs.rutgers.edu
848 445-4576
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