NDLI: Automated Support for Software Cost Estimation Using Web-CoBRA

Content Provider	IEEE Xplore Digital Library
Author	Keung, J. Jeffery, R.
Copyright Year	2008
Description	Author affiliation: CSE UNSW, Sydney, NSW, Australia (Jeffery, R.) \|\| NICTA Ltd., Sydney, NSW, Australia (Keung, J.)
Abstract	Software cost estimation is a crucial yet very difficult task for a project manager at the very beginning of a new project. Since software projects are always different in nature, past projects may not necessarily cover all aspects of a new project when used as a basis for cost estimation. The CoBRA hybrid cost estimation technique uses expert knowledge to build a causal model of context-specific cost factors and past project data to predict costs in terms of effort as well as to assess the risks of a project. Further practical advantages of CoBRA are its high level of interpretability and its transparency. While our previous studies have shown that a modified CoBRA called Web-CoBRA produces higher prediction accuracy, the method was not fully adopted by our industry partner because of its complex application steps when it is manually performed. In this paper, we report on our experiences with further automating Web-CoBRA based software cost estimation for a software company. It supports group decision-making processes by utilizing a wideband Delphi technique. We identify a range of problems when applying Web-CoBRA in the context of a software company and describe the approaches we used to solve these problems in our new tool called EffortWatch. Furthermore, we report on the evaluation and the effectiveness of EffortWatch using a technology acceptance model (TAM) questionnaire. The result is then compared with a previous study, showing EffortWatch drastically improves the use of the Web-CoBRA technique.
Starting Page	519
Ending Page	526
File Size	1063328
Page Count	8
File Format	PDF
ISBN	9780769534466
ISSN	15301362
DOI	10.1109/APSEC.2008.44
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Costs Australia Accuracy Application software Software tools Calibration Software engineering Conference management Project management Engineering management Technology Acceptance Model Software Cost Estimation Supporting Tools CoBRA
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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