ALGORITHM AND COMPLEX INFORMATION TECHNOLOGY FOR SOFTWARE PROJECTS RISKS EVALUATION

Year 2019, Volume: 3 Issue: 1, 1 - 10, 31.01.2019

Vladlen Shapo Valeriy Volovshchykov Viktor Guzhva Oryna Mıshchenko

https://doi.org/10.26900/jsp.3.001

Abstract

Problem of software projects risks evaluation is identified. Review of
modern approaches to risks evaluation is carried out. Analysis of software
projects risks evaluation methods is performed. Analysis of sensitivity,
scenarios method, simulation modeling, expert assessment are reviewed.
Conclusions on importance of risks evaluation for "Software as a
Service" software application systems at design stage are performed. It's
proposed to perform software projects risks evaluation with expert assessment
using by realization of corresponding information technology.

Mathematically risks evaluation technology is realized by Delphi method
and ranking. Term of confidence interval is used as stopover criterion in
computational procedure of Delphi method with the goal of coherent expert
opinion obtaining. Calculating procedure envisages initial expert data
correction by expert opinions revision and correction of expert group
personnel. Consistency of expert opinions in mathematical technology on ranking
method is checking with using of Kendall concordance coefficient, and its
significance is evaluating on the basis of Pearson criterion. Presented
mathematical apparatus formalizes solution of risks evaluation problem.

Methods of software projects risks evaluation and theirs mathematical
technologies requires a big amount of calculating operations. Information
support increases the rate and precision of such operations, ensures initial
data and obtained results accumulation. Information support of software
projects risks evaluation is realized as software application system. At
development of software application system functional and nonfunctional
requirements, database model and its structure were defined. Principles of
object oriented analysis, data modeling, modern design patterns, CASE software
tools were used.

It's proposed to realize software application system of information
technology in accordance with client-server architecture, dedicated application
server with distributed access rights with using of IDE NetBeans by PHP means
under MySQL control. Conclusions on possibility of software application system
using by performed validation and verification with expertise and PHP Unit
using are made. Results of this work may be used for development of software
projects risks evaluation information technology.

Keywords

Risk evaluation, software project, expert assessment, Delphi method, ranking method, requirements, model, structure, software application system.

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