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On Visual Assessment of Software Quality

Bartoszuk C, Timoszuk G., Dabrowski R., Stencel K.

e-Informatica Software Engineering Journal

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2014

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Vol. 8, nr 1

7--26

EN

Development and maintenance of understandable and modifiable software is very challenging. Good system design and implementation requires strict discipline. The architecture of a project can sometimes be exceptionally difficult to grasp by developers. A project’s documentation gets outdated in a matter of days. These problems can be addressed using software analysis and visualization tools. Incorporating such tools into the process of continuous integration provides a constant up-to-date view of the project as a whole and helps keeping track of what is going on in the project. In this article we describe an innovative method of software analysis and visualization using graph-based approach. The benefits of this approach are shown through experimental evaluation in visual assessment of software quality using a proof-of-concept implementation — the Magnify tool.

2

One Graph to Rule Them All Software Measurement and Management

Dąbrowski R., Timoszuk G., Stencel K.

Fundamenta Informaticae

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2013

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Vol. 128, nr 1-2

67--63

EN

The software architecture is typically defined as the fundamental organization of the system embodied in its components, their relationships to one another and to the system's environment. It also encompases principles governing the system's design and evolution. In order to manage the architecture of a large software system the architect needs a holistic model that supports continuous integration and verification for all system artifacts. In earlier papers we proposed a unified graph-based approach to the problem of managing knowledge about the architecture of a software system. In this paper we demonstrate that this approach facilitates convenient and efficient project measurement. First, we show how existing software metrics can be translated into our model in a way that is independent of the programming language. Second, we introduce new metrics that cross the programming language boundaries and are easily implementable using our approach. We conclude by demonstrating how the new model can be implemented using existing tools. In particular, graph databases are a convenient implementation of an architectural repository. Graph query languages and graph algorithms are an effective way to define metrics and specialized graph views.

3

Wyznaczanie resursu technicznego rynkowego maszyn i aparatury technicznej

Patejuk S., Timoszuk G., Patejuk A.

Aparatura Badawcza i Dydaktyczna

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2007

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T. 12, nr 1

42-50

PL

Ustalenie resursu technicznego rynkowego maszyn, aparatury technicznej i większości urządzeń technicznych w ścisłym związku z jakością i aspektami rynkowymi, jest problemem bardzo złożonym. Dostępne dane literaturowe problem ten opisują najczęściej bardzo ogólnikowo - bez podawania konkretnych procedur postępowania, umożliwiających precyzyjne ustalenie tego resursu. Z drugiej zaś strony znajomość resursu technicznego rynkowego jest niezbędna do prawidłowego ustalenia wartości poddanych wycenie maszyn czy urządzeń już eksploatowanych przez pewien okres. W artykule zaprezentowano autorską metodę, na bazie programu komputerowego PAL-ryn, która w stosunkowo prosty sposób pozwala obliczyć resurs techniczny rynkowy konkretnej maszyny lub urządzenia. Należy przy tym nadmienić, że w metodzie tej występuje ścisła korelacja obliczonego resursu technicznego rynkowego z własnościami użytkowymi (technicznymi) i konkurencyjnością rynkową rozpatrywanej maszyny, aparatury czy urządzenia technicznego.

EN

Defining the market technical resurs of scientific apparatures and most of technical devices in close connection with quality and market aspects can be a complex task. The available data gives usually a rough description and without giving procedures of exact defining the market technical resurs. On the other side the knowledge of the market technical resurs is necessary for proper valuation of machines and devices that have been already used for an amount of time. In the article, there is a new authorship market method presented which is based on a computer program PAL-ryn. It allows the user to calculate the real value of given device or machine in a quite simple way. The interesting point is the close correlation between evaluated market technical resurs and machine or device factors like market value or usage properties.