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Biuletyn Instytutu Systemów Informatycznych
2008 nr 2 21-29
EN In this article efficiency analysis method of Java EE applications was presented. Efficiency's measures of such kind of applications were described. Furthermore, discrete-event simulation modelling method Event Graph and implementation of proposed model in Java and SimKit package was presented. In [...]
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Prace Naukowe Instytutu Budownictwa Politechniki Wrocławskiej. Konferencje
PL Artykuł przedstawia historyczne doświadczenia norweskie dotyczące użytkowania i utrzymania obiektów budowlanych, dzisiejsze osiągnięcia w tej sferze budownictwa i związane z nimi prace oraz strategie planowania na przyszłość, w celu osiągnięcia lepszych wyników.
EN The paper presents the Norwegian inheritance concerning maintenance procedures, experience today on building performance due to several research works and strategies for the future in the planning process to achieve better performance.
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International Journal of Occupational Safety and Ergonomics
2008 Vol. 14, No. 3 313--325
EN This paper reports 2 baseline studies and 1 experiment performed in a confined-space military vehicle concerning the effects on fitness and performance of time in a sitting posture and workstation characteristics. On average physical fitness decreased by slightly more than 10% per hour, the observat[...]
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Research in Logistics & Production
2013 Vol. 3, No. 3 212--223
EN The paper concerns the basic methododlical issues of defining and measuring the impact of strategy and logistics on companies' performance. The literature review reveals a lack of empirical research on the relationship between generic strategies like cost leadership and differentiation, the extent o[...]
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Foundations of Computing and Decision Sciences
EN The ticket-based concurrency control allows the management of indirect conflicts between multidatabase transactions without violating site autonomy and ensuring global serializability. In this paper, by using discrete event simulation models, we compare two global concurrency control algorithms: the[...]
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Journal of Polish CIMAC
EN The general IMO procedure was adopted with the main aim to achieve compliant engine performance with current environmental legislation. The paper investigates possibility of multi-zone diesel combustion model use to estimate NOx emission. The model calculation results are compared with the experimen[...]
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Optica Applicata
EN In this paper, we present a review of recent results concerning the properties, performance, and optoelectronic realization of pure phase correlation, taking into consideration their application to pattern recognition.
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Measurement Automation Monitoring
2015 Vol. 61, No. 9 446--449
EN Providing a flexible platform that also allows prototyping new network solutions opens new possibilities for designers, researchers and administrators. This solution are NetFPGA systems. Their additional advantage is the possibility of testing new networking protocols in a real heterogeneous enviro[...]
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Measurement Automation Monitoring
2015 Vol. 61, No. 7 320--322
EN The paper presents a set of test procedures for performing an extended test of dual-core microcontroller performance. The procedures described enable the performance of the system to be determined with regard to memory organization, mutual influence of cores and ability to verify the impact of code [...]
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Research in Logistics & Production
2016 Vol. 6, No. 6 499--512
EN The paper presents the results of an empirical study of the impact of strategy and logistics on company performance and of the role of logistics in mediating the impact of strategy on performance. The research revealed that companies pursuing differentiation strategy demonstrate better performance a[...]
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Transactions of the Institute of Fluid-Flow Machinery
2016 nr 132 17--28
EN An application of a flow control equipment in a compressor has been found to give a substantial improvement in the compressor stable operational range. The experimental investigation has been performed with additional blades (of a fixed-geometry and adjustable types) in an axialflow compressor stage. T[...]
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Fundamenta Informaticae
2016 Vol. 145, nr 2 171--187
EN Identity-based signature is an important technique for light-weight authentication. Recently, many efforts have been made to construct identity-based signatures over lattice assumptions since they would remain secure in future quantum age. In this paper we present a new identitybased signature schem[...]
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International Journal of Electronics and Telecommunications
EN Providing a Quality of Services (QoS) into current telecommunication networks based on packet technology is a big challenge nowadays. Network operators have to support a number of new services like voice or video which generate new type of traffic. This traffic serviced with QoS in consequence requi[...]
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Technical Sciences / University of Warmia and Mazury in Olsztyn
2016 nr 19(2) 139--149
EN The main aim of this article is to develop mathematical equations of the performance stream (Vc) of a water ram with regard to the height of water delivery (hc). The study was performed on the sample water ram of my own design mounted on a specially designed test stand. The content of the article is[...]
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Zeszyty Naukowe Politechniki Poznańskiej. Organizacja i Zarządzanie
2013 Nr 61 173--184
PL Długotrwałe funkcjonowanie firmy jest obecnie ściśle związane z oddziaływaniem jej działalności. W związku z tym coraz większego znaczenia nabiera koncepcja społecznej odpowiedzialności w ramach strategii organizacyjnej. Orientacja ta, która charakteryzuje także otoczenie biznesu Rumunii, również ze[...]
EN Currently, long-term performance of a company is closely related to the overall impact of its actions, therefore an increasing importance is assigned to the concept of social responsibility within organizational strategy. This orientation that also characterizes the Romanian business environment, du[...]
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Studia Informatica
2014 Vol. 35, nr 2 139--156
PL W artykule poruszono zagadnienie integracji relacyjnych systemów baz danych z aplikacjami napisanymi obiektowo. Uwagę skupiono na dwóch popularnych interfejsach mapowania obiektowo-relacyjnego (Entity Framework oraz Hibernate), analizując ich funkcjonalność oraz wydajność. Zbadano również przebieg p[...]
EN The problem of relational databases integration with object oriented applications was discussed in the paper. Two popular object-relational mapping inter-faces were analyzed in terms of their functionality and performance. In the paper, the database schema migration process with retaining the origin[...]
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Journal of Machine Engineering
EN Users of coordinate measuring machine and large gantry machines need to ensure the volumetric performance of their machines in order to inspect, or machine, mechanical parts with precision. In the case of CMMs, the ASME B89.4.10360.2-2008 document imposes seven directions for a volumetric check. The[...]
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Journal of Polish Safety and Reliability Association
2012 Vol. 3, No. 2 189--196
EN The paper presents an approach to modelling and simulation of web systems. The systems are being modelled from the point of view of services realized by them. The formal model of a system, accompanied with a model of a request realization is presented. The main aspect of the paper is a simulation mo[...]
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Advances in Science and Technology. Research Journal
2016 Vol. 10, nr 29 168--175
EN Small and medium sized enterprises (SMEs) have plenty of competitive advantages compared to large companies. They are more capable of being original and innovative, and due to their flexibility, they can respond better to environmental changes and satisfy their customers’ emerging needs. They also h[...]
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Advances in Science and Technology. Research Journal
2016 Vol. 10, nr 32 184--192
EN The purpose of present study is establishing a simulation model to consider the performance of a water photovoltaic thermal system (PV/T) via the computational fluid dynamics method (CFD). The proposed model includes a water riser tube and an absorber plate to consider the conduction and convection [...]
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