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In many cases keywords from a restricted set of possible keywords have to be assigned to texts. A common way to find the best keywords is to rank terms occurring in the text according to their tf.idf value. This requires a corpus of texts from which document frequencies can be derived. In this paper we show that we
W pracy zaprezentowano przykłady słów kluczowych wybranych publikacji z zakresu elektromagnetyzmu i bhp zindeksowanych w bazach Web of Science Core Collection i Scopus oraz haseł Elektromagnetyzm i Bezpieczeństwo pracy z języka haseł przedmiotowych KABA i Tezaurusa bezpieczeństwo pracy i ergonomia. Wskazano na związek terminów indeksujących z wyszukiwalnością publikacji oraz pośrednio z oceną autorów...
models such as a vector space model, a language model and two probabilistic models. We also proposed different measures to compute textual entailment between two terms allowing us to hopefully select appropriate keywords from thesauri to expand documents or queries automatically.
The introduction of computers, beginning in the late 1960s, for use in the description of textual archival materials has posed new challenges for archivists in general, and Israeli archivists in particular. Today, Israeli archives face several issues: acceptance of international standards and their adaptation to the conditions and needs of Israeli archival data bases; creation of tools for information...
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