Autor: Szymkowiak, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Some examples of reasoning with 2-uncertain rules
Autorzy:: Szymkowiak, M.
Powiązania:: https://bibliotekanauki.pl/articles/332996.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: całokształt eksploracji danych medycznych
łańcuch rozumowania
wewnętrzna i globalna solidność
medical aggregate data mining
2-uncertain rule
reasoning chain
internal and global reliability
Opis:: In the paper some examples of reasoning with 2-uncertain rules are presented. First of all, they will illustrate the method for designing 2-uncertain rules from medical aggregate data. The obtained rules compose the knowledge base of a medical Rule-Based System (RBS) aiding medical diagnosis and treatment. For each obtained rule two determined factors of rules' reliability - global and internal ones - will rank it in the designed RBS. Furthermore, the presented examples will realize the influence of the reliability factors on the process of uncertain reasoning.
Źródło:: Journal of Medical Informatics & Technologies; 2012, 20; 49-57
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Designing medical production rules from semantically integrated data
Autorzy:: Jankowska, B.
Szymkowiak, M.
Powiązania:: https://bibliotekanauki.pl/articles/333095.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: integracja danych semantycznych
medyczne systemy oparte na regułach
niepewność
semantic data integration
medical rule-based systems
uncertainty
Opis:: In the paper an algorithm for automatic knowledge acquisition is proposed. The knowledge is acquired from aggregate data stored in different repositories. The algorithm operates by means of semantic data integration, allowing both syntax and semantic differences between data coming from different sources. If only we know data taxonomies, can interpret data schemas and design schema mappings, then the differences are not an obstacle to integration. The acquired knowledge is being defined in a form of production rules with uncertainty. The considerations are illustrated with medical examples.
Źródło:: Journal of Medical Informatics & Technologies; 2010, 16; 95-102
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: New concept of a rocker engine - kinematic analysis
Autorzy:: Szymkowiak, M.
Szwaja, S.
Powiązania:: https://bibliotekanauki.pl/articles/246829.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: rocker
engine
kinematics
piston motion
Opis:: The paper presents concept and design of a four-stroke 4-cylinder internal combustion engine consisted of a single connecting rod to a crankshaft and four additional rods joining pistons with a rocker. The rocker is a specific element in the engine construction that makes this engine different from the typical reciprocating internal combustion piston engine. Furthermore, kinematical analysis of this piston - rocker - crankshaft mechanism was conducted. As concluded from the analysis, this mechanism implemented to the engine, provides several advantages with respect to both dynamic and thermodynamic related issues. First of all, a profile of the piston motion can be easily changed with change in the mechanism geometry e.g. major dimensions of connecting rods, the rocker etc. Thus, the piston motion profile can be asymmetrical with slow motion to and relatively fast distancing from the TDC. This feature can be useful in reducing thermal losses to an engine cooling system. Additionally, the mechanism characterizes itself with low transverse force from the piston, which acts on a cylinder liner. As a result, it significantly reduces frictional losses and should increase the overall efficiency of the engine. Among disadvantages, higher inertial forces are the most important problem. As analyzed, the rocker is the main component that contributes to increase in inertial forces by approximately three to four times. On the other hand, total inertia forces, due to specific kinematical chain of the mechanism, can be remarkably reduced in case the mechanism is correctly optimized.
Źródło:: Journal of KONES; 2012, 19, 3; 443-449
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Reliability of medical production rules obtained by means of aggregate data mining
Autorzy:: Szymkowiak, M.
Jankowska, B.
Powiązania:: https://bibliotekanauki.pl/articles/333089.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: całokształt eksploracji danych medycznych
zasada produkcji z niepewnością
niezawodność globalnej i wewnętrzne reguły
medical aggregate data mining
production rule with uncertainty
internal and global rule's reliability
Opis:: In the paper a method for designing production rules with uncertainty from medical aggregate data is proposed. Our main goal is to define the parameters that have an influence on the reliability of obtained rules. We distinguish two factors of reliability: global and internal ones. They determine a rule's importance in comparison to other obtained rules. Those rules compose the knowledge base of a medical Rule-Based System (RBS) aiding medical diagnosis and treatment.
Źródło:: Journal of Medical Informatics & Technologies; 2010, 16; 103-110
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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