NDLI: Using n-grams to rapidly characterise the evolution of software code

Content Provider	IEEE Xplore Digital Library
Author	Rainer, A. Lane, P.C.R. Malcolm, J.A. Scholz, S.-B.
Copyright Year	2008
Description	Author affiliation: Sch. of Comput. Sci., Univ. of Hertfordshire, Hatfield (Rainer, A.; Lane, P.C.R.; Malcolm, J.A.; Scholz, S.-B.)
Abstract	Text-based approaches to the analysis of software evolution are attractive because of the fine-grained, token-level comparisons they can generate. The use of such approaches has, however, been constrained by the lack of an efficient implementation. In this paper we demonstrate the ability of Ferret, which uses n-grams of 3 tokens, to characterise the evolution of software code. Ferretpsilas implementation operates in almost linear time and is at least an order of magnitude faster than the diff tool. Ferretpsilas output can be analysed to reveal several characteristics of software evolution, such as: the lifecycle of a single file, the degree of change between two files, and possible regression. In addition, the similarity scores produced by Ferret can be aggregated to measure larger parts of the system being analysed.
Starting Page	43
Ending Page	52
File Size	454010
Page Count	10
File Format	PDF
ISBN	9781424427765
DOI	10.1109/ASEW.2008.4686320
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-15
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Computer languages Cloning Software performance Software systems Information retrieval Educational institutions Performance analysis Application software Software measurement
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
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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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