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1
Content available The Internet of Things: Technological and Social Aspects
Sowa G., Marchlewska A.
Journal of Applied Computer Science Methods
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2016
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Vol. 8 No. 1
17--27
EN
The basic idea of is the Internet of Things is presence around us of a variety of things – such as RFID tags, sensors, actuators, mobile phones, etc. – which are able to interact with each other and cooperate with their neighbors to reach common goals. Semantic oriented IoT visions have also been proposed. The number of items involved in the future Internet is destined to become extremely high. Therefore, issues pertaining how to represent, store, interconnect, search, and organize information generated by the IoT will become very challenging. In this context, semantic technologies will play a key role. And creative approaches to visualizing data – humans are far better than computers at seeing patterns –frequently prove integral to the process of creating knowledge. From a privacy perspective, IoT is challenging because it operates in private settings, like homes, and presents an attack target that is harder to secure.
2
Content available The Role of Information Technology for People with Intellectual Disabilities
Marchlewska A., Gębarowski M., Goetzen P.
Journal of Applied Computer Science Methods
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2014
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Vol. 6 No. 1
81--87
EN
A mentally disabled person has limited access to information and communication. Making a computer available to such a person we give them an opportunity to be independent in life and develop their self-reliability. They can take part in various forms of social life, develop artistically, enrich their personality and widen the scope of interests. The possibility to use a computer can also be a way of spending free time.
3
Content available The Problem of the Digital Divide Versus Professional Competence
Marchlewska A., Kuchta T., Goetzen P.
Journal of Applied Computer Science Methods
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2013
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Vol. 5 No. 2
155--163
EN
Quick progress in modern technologies resulting in the Internet development causes more and more institutions to offer their services through the network. The problem is the consequences of the division of people into those who can, are able to and want to use informational technologies and those whose awareness in this area is very little or none. The faster and faster development leads to great differences in qualifications between groups who do not have access to the Internet and the remaining part of the society. Both the administration and the business community have already noticed the issue of not using ICT by people as an important social problem. The article presents the analysis on how many people still do not have digital competence, as the situation evolved over the years. As the conclusion the Authors pointed out that in many sectors of the economy the knowledge of ITC is a prerequisite for getting a job.
4
Content available Federated Database Systems in Supply Chain Management
Paszkowski J., Marchlewska A., Przybyszewski K.
Journal of Applied Computer Science Methods
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2012
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Vol. 4 No. 2
55--66
EN
The article shows the possible ways of use of federated database technologies in data management in the logistic chains of companies. The architectures and components of software for creating the federated systems and some suggestions for the architecture of data management information systems for companies are presented in the text. The mentioned solution stands a proposal to resolve the difficult problem of cooperation between the computer information systems in companies, which refers to making the data of company available to the external users and managing data in the logistic chain. The authors included an overall review of commercial software, which can be used to build the software of data managing in the chains of cooperating companies.
5
Content available Creating Virtual Environment for Educational Purposes of Schools and Universities
Kacprzak B., Goetzen P., Marchlewska A.
Journal of Applied Computer Science Methods
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2012
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Vol. 4 No. 1
29--44
EN
The objective of this paper is to present how to prepare and setup the virtual machine environment on PC to improve speed, quality and overall feeling of education process with reducing costs of hardware and software. This project is a response to problem arising in most educational agencies and training centers. It is a result of continuously growing amount of data to process in today’s world. What is more, the range of subjects to teach widens everyday because of market needing versatile specialist on every level. As a result, the students nowadays have to get to know variety of systems, software and ideas in short period of time.
6
Content available A Testing Environment for Distributed Systems
Sztandarski M., Sowa G., Goetzen P., Marchlewska A.
Journal of Applied Computer Science Methods
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2012
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Vol. 4 No. 1
45--62
EN
The article presents the basics of modern software testing theory. Testing automation and the integration of testing into code writing will be examined in detail, and concept of a testing environment for distributed systems will be introduced.
7
Content available remote Manufacturing and properties of ceramics originated from zirconia-ceria nanopowders doped with yttria
Pyda W., Marchlewska A., Bućko M. M., Pyda A.
Materiały Ceramiczne
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2010
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T. 62, nr 3
328-334
EN
Ceria-zirconia nanopowders doped with yttrium(III) oxide were prepared by a soft chemistry route. A concentration of ceria in the 8 mol% yttria-zirconia nanopowder changed from 0 to 100 %. In the route, a water solution of zirconium(IV) oxychloride, yttrium(III) chloride and cerium(III) nitrate was treated with ammonia to co-precipitate a deposit, which was calcined for 2 h at 900 °C in air to obtain crystalline nanopowder. Consolidation of the nanopowders was performed by means of cold isostatic pressing under 220 MPa and natural sintering for 2 h at 1550 °C in air. The effects of the ceria concentration on properties of both yttria-zirconia-ceria nanopowders and bulk materials were investigated by TG-DTA, XRD, BET, SEM and Vickers’ indentation. The thermal behaviour of co-precipitated materials, crystal structure and crystallite size of the nanopowders, evolution of the microstructure and mechanical properties of the bulk materials were found to depend on ceria concentration.
PL
Nanoproszki cero-cyrkoniowe domieszkowane tlenkiem itru(III) wytworzono za pomocą metody chemii miękkiej. Stężenie CeO2 w nanoproszku 8 % mol. Y2O3-ZrO2 zmieniało się od 0 do 100 %. W zastosowanej metodzie preparatyki, wodny roztwór tlenochlorku cyrkonu(IV), chlorku itru(III) i azotanu ceru(III) zadawano wodnym roztworem amoniaku, aby współstrącić osad, który kalcynowano przez 2 h w 900 stopni C w powietrzu, w celu uzyskania krystalicznego nanoproszku. Konsolidację nanoproszków przeprowadzono drogą prasowania izostatycznego na zimno przy ciśnieniu 220 MPa i następczego spiekania swobodnego przez 2 h w 1550 stopni C w powietrzu. Wpływy stężenia CeO2 na właściwości zarówno nanoproszków w badanym układzie Y2O3-ZrO2-CeO2, jak i spieczonych materiałów zbadano za pomocą metod TG-DTA, XRD, BET, SEM oraz nakłuwania wgłębnikiem Vickersa.’ Stwierdzono, że zachowanie podczas obróbki cieplnej współstrąconych osadów, struktura krystaliczna i rozmiar krystalitów nanoproszków, ewolucja mikrostruktury i właściwości mechanicznych spieczonych materiałów zależą od stężenia tlenku ceru(III).
8
Content available Utilizing Modern Network Technologies in a Campus Network
Goetzen P., Makuch J., Skowrońska-Kapusta A., Marchlewska A., Zachlod R
Journal of Applied Computer Science Methods
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2010
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Vol. 2 No. 2
171--189
EN
The purpose of this paper is to outline concepts and examples of reliable and ef-ficient communication systems for all parts involved in the modern education model. As proven in the presented paper, designing an academic-size network is a real challenge to a team of designers. The outcome vastly depends on the skill and experience of the design team.
9
Content available Mysql Database Performance Under Virtual Machines Environments
Kacprzak B., Kolasiński P., Goetzen P., Skowrońska-Kapusta A., Marchlewska A.
Journal of Applied Computer Science Methods
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2010
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Vol. 2 No. 1
97--107
EN
Some technical differences between virtualization platforms will be shown. Us-ing the MySQL database we present the efficiency tests. Different hardware platforms were used: PC Intel and different mainframe computers (z/9'series). Usefulness of virtualization techniques was also shown. An example of imple-mentation of MySQL database was used to show the selected areas of usage of virtualization environment. In this document we also show selected architectural and performance comparisons of virtual machines set up on PC (x86/x64) and Mainframe (z/9) platforms.
10
Content available Measurement Data Acquisition System Utilising the GSM Phone System
Brocki J, Goetzen P., Makuch J., Marchlewska A., Skowrońska-Kapusta A.
Journal of Applied Computer Science Methods
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2010
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Vol. 2 No. 2
201--211
EN
We present a new approach to designing of application which can be used for data acquisition. Cellular phone is used to transfer the data. Connecting many phones builds highly scalable measurement network. SMS messages were used to transfer the data.
11
Content available O możliwościach zastosowania wybranych metod wyznaczania efektywności klasycznych i e-learningowych systemów kształcenia
Przybyszewski K., Cader A., Marchlewska A.
Automatyka / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
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2009
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T. 13, z. 3/2
1493-1514
PL
W pracy opisaliśmy zasadę separacji obiektów systemu kształcenia (klasycznego i e-learningowego). Opierając się na zasadzie separacji obiektów systemu kształcenia, zaproponowaliśmy sposób wyznaczania edukacyjnej efektywności systemów kształcenia wykorzystujący zmodyfikowaną metodę edukacyjnej wartości dodanej. Zaproponowana metoda ma szerszy zakres zastosowań w porównaniu z metodą klasyczną: pozwala między innymi wyznaczać efektywność systemu w odniesieniu do jednostkowego elementu systemu (ucznia/studenta, nauczyciela) oraz jest możliwa do zastosowania na dowolnym poziomie kształcenia, w tym także w szkołach wyższych. Metoda jest prostsza obliczeniowo i nie wymaga dodatkowych estymacji. Rezultaty zastosowania nowego sposobu wyznaczania efektywności edukacyjnej systemów kształcenia porównaliśmy z wynikami zastosowania klasycznej metody polecanej przez Centralną Komisję Egzaminacyjną. Wyniki analizy ewidentnie potwierdzają przewagę nowej metody nad klasyczną.
EN
In the paper we have described a principle of elements separation of any education system (classical or electronic). We have proposed method of determination of an effectiveness of the education systems based on the separation principle and on the modified education added-value method. It is useful in wider area as a classical method: it is possible to determine an effectiveness coefficient of an unit element of a system (learner, teacher) and it is useful for any level of education, for the high schools, for example. It is simple for calculation and any added estimations are needed. The results that obtained with it have been compared with those from the classical education added-value method. That comparison certifies new method advantage over an classical one.
12
Content available remote On generalization of close-to-convexity for complex holomorphic functions in Cn
Marchlewska A.
Demonstratio Mathematica
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2005
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Vol. 38, nr 4
847--856
EN
Sveral authors (I. I. Bawrin [1], K. Dobrowolska, I. Dziubinski, P. Liczberski, R. Sitarski [3], [4], [5], [13], S. Gong, S. S. Miller [6], Z. J. Jakubowski and J. Kaminski [8], J. Janiec [10] and others) studied various families of complex holomorphic functions in Cn and in Banach space, corresponding with famous subclasses of univalent functions. In this paper we study a class of holomorphic functions of n complex variables analogous to the class of close-to-convex functions of one variable considered by M. Biernacki, W. Kaplan and Z. Lewandowski (see [2], [11], [12]).
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