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Ambiguity, Vagueness, Fuzziness in Technical/Scientific Texts
Šafránek, Dominik ; Langerová, Petra (referee) ; Walek, Agata (advisor)
Dvojznačnost, vágnost a neurčitost jsou základními nástroji našeho jazyka. Mnoho prací bylo publikováno na toto téma, ale stále se setkáváme s problémy s rozlišováním mezi těmito případy. V této práci Vám poskytnu definice těchto termínů a ukážu je na příkladech, stejně tak na syntaktických testech sloužících k jejich rozlišení. Neurčitost se odlišuje od dvojznačnosti a vágnosti tím, že neimplikuje dva nebo více významů, ale neobsahuje žádnou jednoznačnou referenční hranici a nemůže být vyjasněna dáním kontextu, tj. vyjasněním zamýšleného významu. Na druhou stranu dvojznačné výrazy se liší od těch vágních tím, že obsahují dva nebo více významů, které spolu nesouvisejí sémanticky, ale vágní výrazy implikují dva nebo více významů, jejichž smysly spolu úzce – sémanticky – souvisejí. Dvojznačnost a vágnost mohou být vyjasněny dáním kontextu, tj. nezamýšlené významy mohou být eliminovány. Ačkoli dvojznačnost, vágnost a neurčitost v našem jazyce implikují nejistotu, ve vědeckých a technických textech jsou využívány. Ukážu Vám úryvek z vědeckého výzkumu s názvem ‘Inhibitory effects of different hand sanitizers against the resident microflora of skin’ a daný text zanalyzuji a budu hledat dvojznačné, vágní nebo neurčité výrazy a jejich zásah do kontextu a navrhnu řešení jak nejistotu v textu snížit nebo se ji vyhnout.
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AI Algorithms
Petrželka, Jan ; Hrubý, Martin (referee) ; Janoušek, Vladimír (advisor)
This master's thesis describes artificial intelligence algorithms based on the book Artificial Inteligence: A Modern Approach by S. Russel and P. Norvig and implementation of the algorithms in the Squeak Smalltalk programming language with object oriented approach. Algorithms are based on pseudocode in the book and existing implementations in Lisp, Python and Java language. Main concepts are intelligent agents, agent simulation environments, state space search, game playing, planning, uncertainty and learning.
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Solving Problems with Uncertainty
Hrdý, Libor ; Martinek, David (referee) ; Zbořil, František (advisor)
In this thesis is described implementation of the logical deskgame Backgammon, which is a game for two players, whereas one is substituted by computer. This thesis is focused on the problems of the programming the graphical user interface with help of toolkit WxWidgets and also the implemetnation of the game core (game controls and AI of the computer) by using ExpectMiniMax algorithm, that is used for the implementation of the games with the strong influence of random, games where random plays a big role, in this particular case throwing the cube.
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Dynamika soustav těles s neurčitostním modelem vzájemné vazby
Svobodová, Miriam ; Lošák, Petr (referee) ; Hadaš, Zdeněk (advisor)
This diploma thesis deal with evaluation of the impact in the scale of uncertaintly stiffness on the tool deviation during grooving process. By the affect of the insufficient stiffness in each parts of the machine, there is presented a mechanical vibration during the cutting process which may cause a damage to the surface of the workpiece, to the tool or to the processing machine. The change of the stiffness is caused in the result of tool wear, impact of setted cutting conditions and many others. In the first part includes teoretical introduction to field of the uncertainty and choosing suitable methods for the solutions. Chosen methods are Monte Carlo and polynomial chaos expansion which are procced in the interface of MATLAB. Both of the methods are primery tested on the simple systems with the indefinited enters of the stiffness. These systems replace the parts of the stiffness characteristics of the each support parts. After that, the model is defined for the turning during the process of grooving with the 3 degrees of freedom. Then the analyses of the uncertainity and also sensibility analyses for uncertainity entering data of the stiffness are carried out again by both methods. At the end are both methods compared in the points of view by the time consuption and also by precission. Judging by gathered data it is clear that the change of the stiffness has significant impact on vibration in all degrees of freedome of the analysed model. As the example a maximum and a minimum calculated deviation of the workpiece stiffness was calculated via methode of Monte Carlo. The biggest impact on the finall vibration of the tool is found by stiffness of the ball screw. The solution was developed for the more stabile cutting process.
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Processing of Uncertain Information in Databases
Morávek, Petr ; Dvořák, Jiří (referee) ; Šeda, Miloš (advisor)
The following diploma thesis focuses on processing of uncertain information in databases. Uncertain information represents vague customer requests during laptop choice in classic shop purchasing. Effort of the work is to develop a modern e-shop application selling laptops, which is based on expert fuzzy system helping customers to choose a laptop without knowledge of technical specifications and current trends.
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Problem diagnostics by expert system
Mertlík, Tomáš ; Nagy, Ľuboš (referee) ; Karásek, Jan (advisor)
This paper refers to expert systems. Expert system is a computer program dedicated to giving an expert advice, decisions or recommending the best solution in a particular situation. This paper mentions four types of expert system which are commonly used in practice. Basic, additional and complementary components of expert systems are described. The practical part of this paper refers to the diagnostic problem of computer start based on expert system implemented in JAVA programming language and ECLIPSE IDE.
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Diagnostic expert system
Mertlík, Tomáš ; Nagy, Ľuboš (referee) ; Karásek, Jan (advisor)
This paper refers to expert systems. Expert system is a computer program dedicated to giving an expert advice, decisions or recommending the best solution in a particular situation. This paper mentions four types of expert system which are commonly used in practice. Basic, additional and complementary components of expert systems are described. The practical part of this paper refers to the diagnostic problem of computer start based on expert system implemented in JAVA programming language and ECLIPSE IDE.
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Ambiguity, Vagueness, Fuzziness in Technical/Scientific Texts
Šafránek, Dominik ; Langerová, Petra (referee) ; Walek, Agata (advisor)
Dvojznačnost, vágnost a neurčitost jsou základními nástroji našeho jazyka. Mnoho prací bylo publikováno na toto téma, ale stále se setkáváme s problémy s rozlišováním mezi těmito případy. V této práci Vám poskytnu definice těchto termínů a ukážu je na příkladech, stejně tak na syntaktických testech sloužících k jejich rozlišení. Neurčitost se odlišuje od dvojznačnosti a vágnosti tím, že neimplikuje dva nebo více významů, ale neobsahuje žádnou jednoznačnou referenční hranici a nemůže být vyjasněna dáním kontextu, tj. vyjasněním zamýšleného významu. Na druhou stranu dvojznačné výrazy se liší od těch vágních tím, že obsahují dva nebo více významů, které spolu nesouvisejí sémanticky, ale vágní výrazy implikují dva nebo více významů, jejichž smysly spolu úzce – sémanticky – souvisejí. Dvojznačnost a vágnost mohou být vyjasněny dáním kontextu, tj. nezamýšlené významy mohou být eliminovány. Ačkoli dvojznačnost, vágnost a neurčitost v našem jazyce implikují nejistotu, ve vědeckých a technických textech jsou využívány. Ukážu Vám úryvek z vědeckého výzkumu s názvem ‘Inhibitory effects of different hand sanitizers against the resident microflora of skin’ a daný text zanalyzuji a budu hledat dvojznačné, vágní nebo neurčité výrazy a jejich zásah do kontextu a navrhnu řešení jak nejistotu v textu snížit nebo se ji vyhnout.
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Dynamika soustav těles s neurčitostním modelem vzájemné vazby
Svobodová, Miriam ; Lošák, Petr (referee) ; Hadaš, Zdeněk (advisor)
This diploma thesis deal with evaluation of the impact in the scale of uncertaintly stiffness on the tool deviation during grooving process. By the affect of the insufficient stiffness in each parts of the machine, there is presented a mechanical vibration during the cutting process which may cause a damage to the surface of the workpiece, to the tool or to the processing machine. The change of the stiffness is caused in the result of tool wear, impact of setted cutting conditions and many others. In the first part includes teoretical introduction to field of the uncertainty and choosing suitable methods for the solutions. Chosen methods are Monte Carlo and polynomial chaos expansion which are procced in the interface of MATLAB. Both of the methods are primery tested on the simple systems with the indefinited enters of the stiffness. These systems replace the parts of the stiffness characteristics of the each support parts. After that, the model is defined for the turning during the process of grooving with the 3 degrees of freedom. Then the analyses of the uncertainity and also sensibility analyses for uncertainity entering data of the stiffness are carried out again by both methods. At the end are both methods compared in the points of view by the time consuption and also by precission. Judging by gathered data it is clear that the change of the stiffness has significant impact on vibration in all degrees of freedome of the analysed model. As the example a maximum and a minimum calculated deviation of the workpiece stiffness was calculated via methode of Monte Carlo. The biggest impact on the finall vibration of the tool is found by stiffness of the ball screw. The solution was developed for the more stabile cutting process.
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Problem diagnostics by expert system
Mertlík, Tomáš ; Nagy, Ľuboš (referee) ; Karásek, Jan (advisor)
This paper refers to expert systems. Expert system is a computer program dedicated to giving an expert advice, decisions or recommending the best solution in a particular situation. This paper mentions four types of expert system which are commonly used in practice. Basic, additional and complementary components of expert systems are described. The practical part of this paper refers to the diagnostic problem of computer start based on expert system implemented in JAVA programming language and ECLIPSE IDE.
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