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    Wyświetlanie 1-4 z 4
    Tytuł:
    Text mining in practice: exploring patterns in text collections of remote work job offers
    Autorzy:
    Kuligowska, Karolina
    Lasek, Mirosława
    Powiązania:
    https://bibliotekanauki.pl/articles/431872.pdf
    Data publikacji:
    2013
    Wydawca:
    Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
    Tematy:
    text mining
    text analytics
    clustering
    concept linking
    remote work
    telecommuting
    Opis:
    The aim of this paper is to give an insight into text mining techniques in the context of unstructured text collections of location independent job offers. In order to extract useful information, uncover interesting patterns and features of remote work, we analyze the five most popular and most visited websites containing job offers. We examine clusters of remote job offers, the keywords describing those clusters, as well as the linkages between strongly associated terms describing mobile work offers. It is interesting to observe the maturity of the text mining tools which have broadened their applications to new research topics and have become suitable to explore new phenomena.
    Źródło:
    Informatyka Ekonomiczna; 2013, 4(30); 181-195
    1507-3858
    Pojawia się w:
    Informatyka Ekonomiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Products and services recommendation systems in e-commerce. Recommendation methods, algorithms, and measures of their effectiveness
    Autorzy:
    Lasek, Mirosława
    Kosieradzki, Dominik
    Powiązania:
    https://bibliotekanauki.pl/articles/432132.pdf
    Data publikacji:
    2014
    Wydawca:
    Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
    Tematy:
    recommendation systems
    recommender systems
    recommendation methods
    recommendation algorithms
    collaborative filtering
    content-based filtering
    memory-based algorithms
    model-based algorithms
    predictive accuracy metrics
    classification accuracy metrics
    Opis:
    The article concerns products and services recommendation systems in ecommerce which have become increasingly important for both consumers and retailers. The methods used for the recommendation of products and services, as well as the algorithms used to implement them, are presented in the article. Particular attention was paid to the problems of testing the suitability of algorithms, along with the effectiveness measures of the applications of the methods and algorithms.
    Źródło:
    Informatyka Ekonomiczna; 2014, 1(31); 304-317
    1507-3858
    Pojawia się w:
    Informatyka Ekonomiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kiedy warto stosować metodyki zwinne (agile methodologies) w zarządzaniu projektami wytwarzania oprogramowania?
    When is it worth to use agile methodologies in software development project management practice?
    Autorzy:
    Lasek, Mirosława
    Adamus, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/432329.pdf
    Data publikacji:
    2014
    Wydawca:
    Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
    Tematy:
    project management
    software development
    agile methodologies
    evaluation of software design methodologies
    evaluation of IT projects
    Opis:
    The article presents increasingly popular agile methodologies that are more and more often used for projects management of software development. The aim of this article is to analyze the concept of agility and agile methodologies, as well as to find an answer to the question when it is worth to use such methodologies which require organizational effort associated with their use, acquisition of the necessary skills and covering the necessary costs. We consider agile methodologies as the specific project management methodologies in software development. Therefore the article describes their role in the development of agile IT infrastructure, agile organizational culture, and issues related to the possibility of assessing the level of methodologies' agility, as well as the possibility of evaluation the purposefulness and benefits of using them in software development practice.
    Źródło:
    Informatyka Ekonomiczna; 2014, 1(31); 157-172
    1507-3858
    Pojawia się w:
    Informatyka Ekonomiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    From immunology to modeling, processing and analysis of data
    Od immunologii do modelowania, przetwarzania i analiz danych
    Autorzy:
    Lasek, Mirosława
    Lasek, Witold
    Pęczkowski, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/432071.pdf
    Data publikacji:
    2013
    Wydawca:
    Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
    Tematy:
    immunology
    immunocomputing
    artificial immune system
    algorithms of artificial immune systems
    representation of the elements of biological systems in artificial immune systems
    the use of artificial immune algorithms in practice
    Opis:
    Observation of nature is often the inspiration for unconventional and innovative ideas, proposals, suggestions, overall concepts for carrying out modeling phenomena and technical processes, economic, processing and analysis of statistical data. Artificial neural networks, genetic algorithms and evolutionary algorithms were created as an imitation of biological solutions. In recent years, the rapid development of immunological algorithms which are based on the action of the human immune system, has occurred. These algorithms are used in mathematics, engineering, problem solving in decision making, management, economics, finance. At the beginning of this article we describe the action of the human immune system, which is the basis for the construction of immune algorithms. Then we present the most important mechanisms influencing the operation and construction of the algorithms based on biological mechanisms of the immune system, in particular the negative selection, immune network, clonal selection. Then we describe how the elements and mechanisms of artificial immune system algorithms are represented to enable modeling, processing and analysis of data. In the last part of the article to illustrate the wide range of possibilities of using immune algorithms to solve various sorts of problems from a completely different fields, we present examples of applications that involve the assessment of bank borrowers, the task of coloring a graph belonging to combinatorial optimization problems, a multi-dimensional classification, fault detection.
    Źródło:
    Informatyka Ekonomiczna; 2013, 4(30); 196-225
    1507-3858
    Pojawia się w:
    Informatyka Ekonomiczna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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