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Wyszukujesz frazę "Winiarczyk, R." wg kryterium: Autor

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    Wyświetlanie 1-10 z 10
    Tytuł:
    Noise effects in the quantum search algorithm from the viewpoint of computational complexity
    Autorzy:
    Gawron, P.
    Klamka, J.
    Winiarczyk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/331292.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    algorytm kwantowy
    szum kwantowy
    złożoność algorytmu
    quantum algorithms
    quantum noise
    algorithm complexity
    Opis:
    We analyse the resilience of the quantum search algorithm in the presence of quantum noise modelled as trace preserving completely positive maps. We study the influence of noise on the computational complexity of the quantum search algorithm. We show that it is only for small amounts of noise that the quantum search algorithm is still more efficient than any classical algorithm.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2012, 22, 2; 493-499
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer registration system and fusion of multimodal images for orthodontic purposes
    Autorzy:
    Kadłubek, S.
    Tomaka, A.
    Winiarczyk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/333582.pdf
    Data publikacji:
    2006
    Wydawca:
    Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
    Tematy:
    multimodalna rejestracja obrazu w procedurach ortodontycznych
    multimodal images registration in orthodontic routines
    Opis:
    The paper presents aspects connected with development of a computer system for registration and fusion of multimodal images for orthodontic purposes. The idea of the system, of the multimodal image registration, lies in 3D surfaces registering, reconstructed from the sets of MRI or CT planar slices. The system enables the user to perform registration using different approaches based on localised landmarks, based on selected regions of 3D surfaces or based on automatic matching of the whole surfaces. The rigid-body transformation found during the registration is then used to transform the set of slices to generate images that can be fused. The usage of the system was illustrated and the accuracy of the registration was assessed.
    Źródło:
    Journal of Medical Informatics & Technologies; 2006, 10; 63-71
    1642-6037
    Pojawia się w:
    Journal of Medical Informatics & Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Self-Replication Processes in Nanosystems of Informatics
    Autorzy:
    Węgrzyn, S.
    Winiarczyk, R.
    Znamirowski, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/908088.pdf
    Data publikacji:
    2003
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    informatyka
    nanosystem of informatics
    biological nanosystem of informatics
    technical nanosystem of informatics
    self-replication
    Opis:
    Recent research on the nanotechnological processes of molecular products and object synthesis as well as research on the nanosystems of informatics, stimulates the development of technical systems of informatics. Until now, they have been used mainly for computational tasks when, similarly to biological organisms, they allowed the development of self-replicating products and complete objects. One can focus here on the model of a circulation of materials, information and energy in a biological cell, and a model of the self-replication phenomenon. In the model of materials, information and energy circulation, we can distinguish a multi-phase process of creating products which are later used for object construction. The first phase is a translation process based on information from mRNA, while the next one consists of post-translational modifications based on environmental interactions. The self-replication model presented in this paper refers to a self-replication of a material object together with its internal software, which had determined the object creation. The presented models of materials, information and energy circulation in a biological cell together with models of the self-replication phenomenon can be a basis for the design and development of technical systems of informatics capable of creating self-replicating products and objects.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2003, 13, 4; 585-591
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Extending scientific computing system with structural quantum programming capabilities
    Autorzy:
    Gawron, P.
    Klamka, J.
    Miszczak, J.
    Winiarczyk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/199942.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    quantum information
    quantum programming
    models of quantum computation
    Opis:
    We present the basic high-level structures used for developing quantum programming languages. The presented structures are commonly used in many existing quantum programming languages and we use quantum pseudo-code based on QCL quantum programming language to describe them. We also present the implementation of introduced structures in GNU Octave language for scientific computing. Procedures used in the implementation are available as a package quantum-octave providing library of functions, which facilitates the simulation of quantum computing. This package allows also to incorporate high-level programming concepts into the simulation in GNU Octave and Matlab. As such it connects features unique for higl-level quantum programming languages, with the full palette of efficient computational routines commonly available in modern scientific computing systems. To present the major features of the described package we provide the implementation of selected quantum algorithms. We also show how quantum errors can be taken into account during the simulation of quantum algorithms using quantum-octave package. This is possible thanks to the ability to operate on density matrices implemented in quantum-octave.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2010, 58, 1; 77-88
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Data stream processing in fetal monitoring system: I. algebra and query language
    Autorzy:
    Widera, M.
    Jeżewski, J.
    Winiarczyk, R.
    Wróbel, J.
    Horoba, K.
    Gacek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/333189.pdf
    Data publikacji:
    2003
    Wydawca:
    Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
    Tematy:
    język zapytań
    przetwarzanie strumienia danych
    system zarządzania bazami danych
    monitorowanie płodu
    query language
    data stream processing
    database management system
    fetal monitoring
    Opis:
    The paper presents the algebra and declarative query language developed for fetal monitoring system MONAKO. At present, the system architecture is centralised. Recording, analyzing and visualization of data are carrying out in the central unit. Therefore, the system cannot scale in a simple manner. Presented solution enables to define query based on data streams that makes the updated answers currently available. Applying database management system that carries out its tasks based on presented assumptions enables the construction of monitoring system of distributed architecture
    Źródło:
    Journal of Medical Informatics & Technologies; 2003, 5; MI83-90
    1642-6037
    Pojawia się w:
    Journal of Medical Informatics & Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Data stream processing in fetal monitoring system: II. Application to signal processing
    Autorzy:
    Jeżewski, J.
    Widera, M.
    Winiarczyk, R.
    Matonia, A.
    Kupka, T.
    Gacek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/334015.pdf
    Data publikacji:
    2003
    Wydawca:
    Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
    Tematy:
    język zapytań
    przetwarzanie strumienia danych
    system zarządzania bazami danych
    monitorowanie płodu
    query language
    data stream processing
    database management system
    fetal monitoring
    Opis:
    Fetal monitoring system belongs to signal processing system class. The main functions of the system are signal acquisition from bedside monitors, on-line trace analysis and dynamic presentation of incoming data. Collected data set is controlled by centralised application. Relational database management system cannot process samples of high frequency biomedical signals on-line. Therefore, we decide to build our own data management system dedicated to stream processing that support continuous query. This paper describes a method of building a query plan based on proposed algebra. The presented example of application enables implementation of algorithm determining long- and short-term indices for fetal heart rate variability assessment on the basis of declarative query language. Our solution enables to define query based on data streams that make the updated answers currently available.
    Źródło:
    Journal of Medical Informatics & Technologies; 2003, 6; IT35-42
    1642-6037
    Pojawia się w:
    Journal of Medical Informatics & Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phenomenon of floral reversion in bolting garlic (Allium sativum L.)
    Autorzy:
    Winiarczyk, K.
    Marciniec, R.
    Tchórzewska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/12188524.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    garlic
    Allium sativum
    vegetative propagation
    inflorescence
    morphological change
    bulb
    flowering
    flowering reversion
    Opis:
    In this study, we present investigations of morphological changes in the inflorescence of bolting Allium sativum L., which forms umbel-like inflorescences with small, inconspicuous flowers, bulbils, and leaf-like membranous bracts. Particular attention was focused on the architecture of a single flower, and the full sequence of developmental events and the differentiation of flower elements and inflorescence were traced. During the several-year long investigations of the garlic species, we observed that all inflorescence elements emerged chaotically, taking a completely random place in the inflorescence receptacle and it was impossible to identify the sequence of formation of the individual inflorescence elements. The absence of regular phyllotaxis and the specific sequence of formation of inflorescence elements are characteristic for inflorescence reversion. Since domesticated garlic has lost the capacity for sexual reproduction, it has probably evolved alternative reproduction modes in its developmental strategy, which is reflected by the formation of numerous bulbils (vegetative buds, topsets) in the inflorescence. This is one of the forms of reproductive strategy of the species, which through domestication progresses from sexual to asexual reproduction.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 2; 123-134
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Molecular detection of Anaplasma phagocytophilum in roe deer (Capreolus capreolus) in eastern Poland
    Autorzy:
    Teodorowski, O.
    Radzki, R.
    Kalinowski, M.
    Winiarczyk, S.
    Bocanegra, I.G.
    Winiarczyk, D.
    Adaszek, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/28762985.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2020, 27, 4; 702-705
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Management methods in SLA-aware distributed storage systems
    Autorzy:
    Nikolow, D.
    Słota, R.
    Lakovic, D.
    Winiarczyk, P.
    Pogoda, M.
    Kitowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/305462.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    service level agreements
    mass storage systems
    quality of service
    Opis:
    Traditional data storage systems provide access to user’s data on the "best effort" basis. While this paradigm is sufficient in many use cases it becomes an obstacle for applications with Quality of Service (QoS) constraints. Service Level Agreement (SLA) is a part of the contract agreed between the service provider and the client and contains a set of well defined QoS requirements regarding the provided service and the penalties applied in case of violations. In the paper we propose a set of SLA parameters and QoS metrics relevant to data storage processes and the management methods necessary for avoiding SLA violations. A key assumption in the proposed approach is that the underlying distributed storage system does not provide functionality for resource or bandwidth reservation for a given client request.
    Źródło:
    Computer Science; 2012, 13 (3); 35-44
    1508-2806
    2300-7036
    Pojawia się w:
    Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Novel potential of pancreatic-like enzymes of microbial origin in exocrine pancreatic insufficiency - study on a pig model
    Autorzy:
    Szwiec, K.
    Goncharova, K.
    Velverde-Piedra, J.L.
    Ushakova, G.
    Kovalenko, T.
    Osadchenko, I.
    Kardas, M.
    Swieboda, P.
    Podgurniak, P.
    Winiarczyk, M.
    Grochowska-Niedworok, E.
    Lozinska, L.
    Filip, R.
    Pierzynowski, S.G.
    Powiązania:
    https://bibliotekanauki.pl/articles/3181.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    pancreatic-like enzyme
    microbial enzyme
    exocrine pancreatic insufficiency
    porcine model
    pig
    animal model
    enzyme activity
    Opis:
    Introduction. The standard porcine-derived pancreatic enzyme replacement therapy (PERT) is a lifesaving treatment for patients with diseases causing exocrine pancreatic insufficiency (EPI). An attempt to replace PERT with microbial enzymes were undertaken. The aim was to highlight whether the mode of application, mixed with food or applied directly to the stomach, of pancreatic-like enzymes of microbial origin (PLEM) can affect their activity along the gastrointestinal tract. Materials and method. The activity of amylase, lipase and proteinase in the stomach, duodenum and ileum were tested in EPI pigs (n=6) after supplementation of PLEM, either orally – before and during feed consumption – or via the stomach – before and during feed consumption. Healthy pigs not treated with PLEM (n=3) served as controls. Activity of the enzymes measured in the chyme were obtained together with the digesta pH. Activity of the enzymatic residues in the stool samples was also checked. Results. The highest pancreatic enzyme activities were found in the duodenum of the healthy pigs (amylase 162,68 kU/ mL, lipase 507,34 kU/mL and protolitic (trypsin) activity 357,60 kU/mL). Nevertheless, the microbial enzymes remained also active along the entire length of the GIT – including stomach in EPI pigs, regardless of their route of administration. However, activity level was significantly lower. Discussion. Results indicate that the activity pattern of PLEM in the small intestine mimics the activity of the natural endogenous pancreatic enzymes in healthy pigs. The most physiological features of PLEM were observed when enzymes were offered orally. The magnitude of PLEM activity in the stomach of EPI pigs was essential and significantly higher than that measured in healthy pigs, thus being somewhat not physiological, and for health reasons of the patients should be further explored. Interestingly, specific trypsin-like activity was measured in all parts of the GIT after PLEM application. However, proteolytic activity of the experimental proteaze in in vitro studies did not exhibit trypsin-like activity.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2015, 09, 1
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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