Browsing by Issue Date, starting with "2001"

Now showing 1 - 20 of 39

Access status: Open Access ,
Syntaktyczne metody rozstrzygania wieloznaczności form fleksyjnych
(Wydawnictwa AGH, 2001) Szostek, Grażyna
There are different types of ambiguity in natural language, which causes different problems in natural language processing. This paper describes the ambiguity of inflection form, eg. kamień (the stone), which is the form of Moninative Singular or Accusative Singular. The paper also proposes the constraint driven method for resolving that type of ambiguity.
Access status: Open Access ,
Metody sztucznej inteligencji w analizie morfologii wybranych narządów na obrazach medycznych
(Wydawnictwa AGH, 2001) Ogiela, Marek; Tadeusiewicz, Ryszard
The goal of this paper is the presentation of the possibilities of application of syntactic methods of computer image analysis for recognition of local stenoses of coronary arteries lumen and detection of pathological signs in upper parts of ureter ducts and renal calyxes. Analysis of correct morphology of these structures is possible thanks to the application of sequence and tree methods from the group of syntactic methods of pattern recognition. In the case of analysis of coronary arteries images the main objective is computer-aided early diagnosis of different forms of ischemic cardiovascular diseases. Such diseases may reveal in the form of stable or unstable disturbances of heart rhythm or infarction. In analysis of kidney radiograms the main goal is recognition of local irregularities in ureter lumens and examination of morphology of renal pelvis and calyxes.
Access status: Open Access ,
Finite-state methodology in natural language processing
(Wydawnictwa AGH, 2001) Korzycki, Michał
Recent mathematical and algorithmic results in thc field of finite-state technology, as well as the increase in computing power, have constructed the base for a new approach in natural language processing. However the task of creating an appropriate model that would describe the phenomena of the natural language is still to be achieved. In this paper I'm presenting some notions related to the finite-state modelling of syntax and morphology.
Access status: Open Access ,
Knowledge representation and inference for analysis and design of databases and tabular rule-based systems
(Wydawnictwa AGH, 2001) Ligęza, Antoni
Rule-based systems constitute a powerful tool for specification of knowledge in design and implementation of knowledge-based systems. They provide also a universal programming paradigm for domains such as intelligent control, decision support, situation classification and operational knowledge encoding. In order to assure safe and reliable performance, such systems should satisfy certain formal requirements, including completeness and consistency. This paper addresses the issue of analysis and verification of selected properties of a class of such systems in a systematic way. A uniform, tabular scheme of single-level rule-based systems is considered. Such systems can be applied as a generalized form of databases for specification of data patterns (unconditional knowledge), or can be used for defining attributive decision tables (conditional knowledge in form of rules). They can also serve as lower-level components of a hierarchical, multi-level control and decision support knowledge-based systems. An algebraic knowledge representation paradigm using extended tabular representation, similar to relational database tables is presented and algebraic bases for system analysis, verification and design support are outlined.
Access status: Open Access ,
Generation of triangular meshes for complex domains on the plane
(Wydawnictwa AGH, 2001) Jurczyk, Tomasz; Głut, Barbara
Many physical phenomena can be modeled by partial differential equations. The development of numerical methods based on the spatial subdivision of a domain into finite elements immediately extended interests to the tasks of generating a mesh. With the availability of versatile field solvers and powerful computers, the simulations of ever inereasing geometrical and physical complexity are attempted. At some point the main bottleneck becomes the mesh generation itself. The paper presents a detailed description of the triangular mesh generation scheme on the plane based upon the Delaunay triangulation. A mesh generator should be fully automatic and simplify input data as much as possible. It should offer rapid gradation from small to large sizes of elements. The generated mesh must be always valid and of good quality. All these requirements were taken into account during the selection and elaboration of utilized algorithms. Successive chapters describe procedures connected with the specification of a modeled domain, generation and triangulation of boundary vertices, introducing inner nodes, improving the quality of the created mesh, and renumbering of vertices.
Access status: Open Access ,
Serwer leksykalny języka polskiego
(Wydawnictwa AGH, 2001) Gajęcki, Marek
This paper presents Lexical Server of Polish Language, the tool that aids natural language processing (NLP). Database of the server consists of dictionary units enriched by flexical information. The lexical server should be able to perform identification of word forms and generations of all inflected forms of the word. The server is dedicated to the people who are looking for NLP algorithms or implement them. The algorithms can be implemented in different kinds of programming languages and different operating systems. There are some examples of problems when lexical server can be useful: automatic text correction, text indexing, keywords cxtraction, text profile building.
Access status: Open Access ,
Patrzenie w przestrzeni n-wymiarowej
(Wydawnictwa AGH, 2001) Jamróz, Dariusz
The possibility of looking at the exterior appearance of the n-dimensional solids using the eyesight is introduced in this article. The developed mathematical model allows to create the computer program that makes looking at any solid having any number of dimensions possible. The appearance of hypothetical solids from various perspectives is shown as well, for instance the four-dimensional and the seven-dimensional dices which are the multidimensional equivalents of a cube.
Access status: Open Access ,
Fast automatic configuration of artificial neural networks used for binary patterns recognition
(Wydawnictwa AGH, 2001) Horzyk, Adrian
This paper presents a powerful method of an automatically generated architecture of neural networks used for binary patterns recognition, which can quickly and automatically reduce synapses in a way of minimally reducing a quality of recognition and a quality of generalization. Moreover, this method computes all weights in two runs over a learning sequence, what makes this method very fast. First, the method calculates all binary features for each pattern and then weights are computed. Furthermore, there is a quality of generalization considered because it is one of the most important factors of recognition while using neural networks.
Access status: Restricted ,
Ultradźwięki i ich zastosowania
(Wydawnictwa Naukowo-Techniczne, 2001) Śliwiński, Antoni
Access status: Open Access ,
Przyrząd do wyznaczania gęstości nasypowej opis patentowy nr 180324
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-01-31) Buczek, Bronisław Tomasz; Vogt, Elżbieta; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Środek do redukcji magnezu z ciekłego aluminium lub jego stopów opis patentowy nr 180213
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-01-31) Nowakowski, Jerzy; Obłąkowski, Ryszard; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Sposób i układ do przetwarzania odpadowych substancji palnych o dużej lepkości opis patentowy nr 180259
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-01-31) Nabożny, Marian; Słupek, Stanisław; Woźniacki, Zdzisław; Nocoń, Jerzy; Dziób, Maria; Pasierb, Jan; Ochab, Bogusław; Balak, Czesław; Kaszewski, Wiesław; Hanszke, Waldemar; Kokoszka, Kazimierz; Huta im. Tadeusza Sendzimira (Kraków); Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Segment regenerujący odśrodkowego urządzenia do regeneracji osnowy ze zużytej masy formierskiej lub rdzeniowej opis patentowy nr 180254
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-01-31) Dańko, Józef; Ludwin, Stanisław; Łucarz, Mariusz; Gadocha, Andrzej; Bodzoń, Leszek; Sroczyński, Adam; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Układ do nagrzewania indukcyjnego opis patentowy nr 180577
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-02-28) Kurbiel, Aleksy; Łoziak, Władysław; Waradzyn, Zbigniew; Kieroński, Roman; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Głowica napędowa górniczego kombajnu ścianowego opis patentowy nr 180541
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-02-28) Krauze, Krzysztof; Klich, Adam; Maziarz, Michał; Dąbrowski, Bronisław; Skrzypiec, Andrzej; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Sposób sterowania trójfazowego bezpośredniego przemiennika częstotliwości zasilającego silnik indukcyjny opis patentowy nr 180575
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-02-28) Dziadecki, Aleksander; Grzegorski, Janusz; Skotniczny, Józef; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Urządzenie zraszające do frezujących organów ślimakowych opis patentowy nr 180542
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-02-28) Krauze, Krzysztof; Klich, Adam; Pluta, Janusz; Wydra, Tomasz; Kusak, Edward; Skrzypiec, Andrzej; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Sposób wytwarzania wyrobów ceramiki ogniotrwałej opis patentowy nr 180661
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-03-30) Klisch, Marian; Nadachowski, Franciszek; Szwagierczak, Dorota; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)
Access status: Open Access ,
Techniki symulacji agentowej w zastosowaniu do badania procesów cieplnych
(2001-04-26) (Data obrony: 2006-09-26) Bieniasz, Sławomir
Wydział Elektrotechniki, Automatyki, Informatyki i Elektroniki
The subject of this research is the problems of dynamic, complex systems modeling, in which several processes proceeds at the same time and in the common environment. The essence of the proposed modeling method lies in mapping elementary processes and their interactions, leading to achieving summary effects, that result from concurrent realization of these processes. The suggested idea is based on using the agent approach, where individual agents conduct elementary component actions, giving a result in complex processes occurring in virtual world, represented by this model. The purpose of this work is proving that such approach enables approximate but adequate mapping of the real phenomena, and in consequence predicting their course and introduction of correcting actions (control). The domain of the phenomena being analyzed is thermal processes with a special consideration of the phenomena which appear during cooling and solidification of metal castings. However, the given method is recommendation of modeling and studying a wider class of complex dynamic systems.
Access status: Open Access ,
Sposób eliminacji punktów w procesie numerycznej generalizacji kartograficznej opis patentowy nr 181014
(Urząd Patentowy Rzeczypospolitej Polskiej, 2001-05-31) Chrobak, Tadeusz; Akademia Górniczo-Hutnicza im. Stanisława Staszica (Kraków)