NDLI: Mining Approximate Temporal Functional Dependencies Based on Pure Temporal Grouping

Content Provider	IEEE Xplore Digital Library
Author	Combi, C. Parise, P. Sala, P. Pozzi, G.
Copyright Year	2013
Description	Author affiliation: Dipt. di Inf., Univ. degli Studi di Verona, Verona, Italy (Combi, C.; Parise, P.; Sala, P.) \|\| DEIB, Politec. di Milano, Milan, Italy (Pozzi, G.)
Abstract	Functional dependencies (FD) model constraints over databases like "employees with the same role get the same salary". Some extensions have been introduced to represent temporal constraints: temporal functional dependencies (TFD) represent constraints like "for any given month, employees with the same role have the same salary, but their salary may change from one month to the next one"'; approximate functional dependencies (AFD) hold on most of the facts stored by the database, enabling data to deviate from the defined constraints according to a user-defined percentage like "employees with the same role generally have the same salary". By this paper, we merge the concepts of temporal functional dependency and of approximate functional dependency, introducing the concept of approximate temporal functional dependency (ATFD). ATFD can be defined and measured either on temporal granules (e.g., grouping data by day, week, month, year) or on sliding windows (e.g., a fixed-length time interval which moves over the time axis). We also introduce some specific data mining techniques for ATFDs. As a proof of concept, we developed a running prototype, proving the feasibility of our proposal and testing it on a real-world database from the medical domain of psychiatry.
Sponsorship	Toshiba
Starting Page	258
Ending Page	265
File Size	329788
Page Count	8
File Format	PDF
e-ISBN	9781479931422
DOI	10.1109/ICDMW.2013.100
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Databases Hospitals Conferences Measurement uncertainty Data models Data mining Remuneration sliding window grouping temporal granule psychiatric patients approximate temporal functional dependency
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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