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COMPOSABLE RISK-DRIVEN PROCESSES FOR DEVELOPING SOFTWARE SYSTEMS FROM COMMERCIAL-OFF-THE-SHELF (COTS) PRODUCTS
by
Ye Yang
A Dissertation Presented to the
FACULTY OF THE GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
DOCTOR OF PHILOSOPHY
(COMPUTER SCIENCE)
December 2006
Copyright 2006 Ye Yang
Object Description
| Title | Composable risk-driven processes for developing software systems from commercial-off-the-shelf (COTS) products |
| Author | Yang, Ye |
| Author email | yey@usc.edu |
| Degree | Doctor of Philosophy |
| Document type | Dissertation |
| Degree program | Computer Science |
| School | Viterbi School of Engineering |
| Date defended/completed | 2006-07-05 |
| Date submitted | 2006 |
| Restricted until | Unrestricted |
| Date published | 2006-11-21 |
| Advisor (committee chair) | Boehm, Barry |
| Advisor (committee member) |
Settles, Stan Friedman, George Huang, Ming-Del |
| Abstract | Research experience has suggested that software processes should be thought of as a kind of software, which can be developed into composable component pieces that can be executed to perform different software lifecycle activities. General experience has indicated that the activities conducted while developing COTS-based applications (CBA) differ greatly from those conducted in traditional custom development. The primary research questions addressed in this dissertation are (1) Can these activity differences be characterized and statistically analyzed? (2) If so, can the primary CBA activity classes be organized into a decision framework for projects developing CBA's? The resulting research provides a value-based composable set of processes for CBAs that includes an associated Process Decision Framework (PDF), a set of Composable Process Elements (CPEs), and a COCOTS Risk Analyzer.; A composable process implies the ability to construct a specific process from a higher level and broader process framework and a set of reusable process elements. The PDF is a recursive, re-entrant configuration structure, and establishes the relationships among a mix of the CPEs and other process fragments which are extended from the risk-driven WinWin Spiral model. The CPEs includes Assessment, Tailoring, and Glue code development/integration, which are the three primary sources of effort due to CBA development considerations, indicated by empirical analysis on both large industry and small campus e-services CBA projects. Each CPE is a defined, repeatable workflow. While the framework provides a composition basis to support developers for navigating through the option space in developing CBAs, the three process elements establish the basic constituents for composing COTS processes based on common process patterns identified in empirical studies. A technique named COCOTS Risk Analyzer, is also developed and implemented to aid the optimization of process decisions via risk based prioritization strategy. All together, the proposed solution supports flexible composition of process elements with respect to evolving stakeholders' value propositions, COTS market, and risk considerations.; To validate the value-based set of processes, experiments have been designed and performed on student projects at USC graduate level software engineering class in Fall 2004 and Fall 2005 semesters. The evaluation results show that applying the value-based processes significantly improves the team performance. |
| Keyword | software process; COTS-based development; risk-driven process; COTS assessment; COTS tailoring; glue code development/integration |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Type | texts |
| Legacy record ID | usctheses-m185 |
| Rights | Yang, Ye |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | http://www.usc.edu/isd/libraries/services/ask_a_librarian/email/ |
| Filename | etd-Yang-20061121 |
| Archival file | uscthesesreloadpub_Volume14/etd-Yang-20061121.pdf |
Description
| Title | Page 1 |
| Full text | COMPOSABLE RISK-DRIVEN PROCESSES FOR DEVELOPING SOFTWARE SYSTEMS FROM COMMERCIAL-OFF-THE-SHELF (COTS) PRODUCTS by Ye Yang A Dissertation Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (COMPUTER SCIENCE) December 2006 Copyright 2006 Ye Yang |
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