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Wyświetlanie 1-4 z 4
Tytuł:
The dictionary structure for effective word search
Autorzy:
Karwowski, W.
Wrzeciono, P.
Powiązania:
https://bibliotekanauki.pl/articles/94745.pdf
Data publikacji:
2017
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
text indexing
text searching
Polish language
Opis:
In the paper some issues connected with indexing documents in the Polish language are discussed. Algorithms for stemming and part of speech tagging, important in the process of text analysis and indexing are shortly described. Next their suitability to the Polish language, which has a very extensive inflection, is discussed. The usefulness for stemming and part of speech tagging of large dictionaries with inflected forms, like WordNet and open-source dictionary of Polish language is also described. Two dictionary structures enabling effective word searching are presented. In the final part, some tests of implemented two dictionary structures are described. Tests were made on the six actual and three crafted artificial texts. At the end conclusions of performed tests are formulated.
Źródło:
Information Systems in Management; 2017, 6, 4; 284-293
2084-5537
2544-1728
Pojawia się w:
Information Systems in Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards the data structure for effective word search
Autorzy:
Karwowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/95043.pdf
Data publikacji:
2018
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
text indexing
associative array
ternary search tree
Opis:
In the paper problem of searching basic forms for words in the Polish language is discussed. Polish language has a very extensive inflection and effective method for finding base form is important in many NLP tasks for example text indexing. The method for searching, based on open-source dictionary of Polish language, is presented. In this method it is important to design a structure for storing all words from dictionary, in such a way that it allows to quickly find basic words forms. Two dictionary structures: ternary search tree and associative table are presented and discussed. Tests are performed on the six actual and three crafted artificial texts and results are compared with other possible dictionary structures. At the end conclusions about structures effectiveness are formulated.
Źródło:
Information Systems in Management; 2018, 7, 4; 227-236
2084-5537
2544-1728
Pojawia się w:
Information Systems in Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The application of ontology for indexing of publications in the life sciences
Autorzy:
Karwowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/95109.pdf
Data publikacji:
2014
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
knowledge management
ontologies
text indexing
agriculture
zarządzanie wiedzą
ontologia
rolnictwo
Opis:
Ontologies recently have important role especially in knowledge management systems dedicated for agriculture. In the paper, issues related to indexing documents against the ontology, are presented and discussed. Problems with indexing documents in Polish language which has an extensive inflection are described. There are presented and discussed examples of ontologies and thesauri in the field of life sciences, in particular possible to use to describe aspects of plant production. We have tested Agrotagger the existing tool for indexing agricultural texts with publication in Polish. Original software developed for indexing web pages in Polish against potato ontology is described. In the final part some conclusions and plans for further research are formulated.
Źródło:
Information Systems in Management; 2014, 3, 3; 159-169
2084-5537
2544-1728
Pojawia się w:
Information Systems in Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Identification of Factors Contributing to Self-Reported Anomalies in Civil Aviation
Autorzy:
Andrzejczak, C.
Karwowski, W.
Thompson, W.
Powiązania:
https://bibliotekanauki.pl/articles/90652.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
self-reported anomalies
civil aviation
human factors
pilot error
text mining
correspondence analysis
czynnik ludzki
lotnictwo cywilne
błąd pilota
analiza tekstu
Opis:
The main objective of this study was to analyze anomalies voluntarily reported by pilots in civil aviation sector and identify factors leading to such anomalies. Experimental data were obtained from the NASA aviation safety reporting system (ASRS) database. These data contained a range of text records spanning 30 years of civilian aviation, both commercial (airline operations) and general aviation (private aircraft). Narrative data as well as categorical data were used. The associations between incident contributing factors and selfreported anomalies were investigated using data mining and correspondence analysis. The results revealed that a broadly defined human factors category and weather conditions were the main contributors to selfreported civil aviation anomalies. New associations between identified factors and reported anomaly conditions were also reported.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2014, 20, 1; 3-18
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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