Słowa znaczące, słowa kluczowe, słowozbiory – o statystycznych metodach wyszukiwania wyrazów istotnych
Significant Words, Keywords, Wordlists – on Statistical Methods of Searching for Relevant Terms
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This article discusses automatic extraction of relevant words from sets of texts. The author briefly presents three methods aimed to extract the words from the corpus of words with regard to their frequency, or words whose occurrence next to each other is not random. First, he focuses on the keyword analysis method, then he discusses the Zeta method developed by John Burrows and Hugh Craig, and the third method covered in the article is the topic modelling method, which is becoming very popular recently, and consists in finding clusters of words co-occurring in similar contexts. Topic modelling was intended for a quick content search in large collections of documents. On the basis of 100 Polish novels, the article presents how this method can be used for linguistic studies.
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