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KATEGORIZACIJA NOVINSKIH ČLANAKA POMOĆU MAŠINSKOG UČENJA

Authors: Marko Rašeta;

KATEGORIZACIJA NOVINSKIH ČLANAKA POMOĆU MAŠINSKOG UČENJA

Abstract

U ovom radu korišćeno je više modela za klasifikaciju novinskog članka na osnovu njegovog kratkog sažetka, koji se najčešće sastoji iz jedne ili dve rečenice, radi utvrđivanja kojoj kategoriji članak pripada (sport, politika, zabava…). Svakom od tih modela prosleđen je kratki sažetak koji je prethodno obrađen nekom od metoda za vektorsku reprezentaciju teksta. Od modela korišćeni su: logistička regresija, naivni Bajes, Support Vector Machine, neuronska mreža, konvolutivna neuronska mreža i rekurentna neuronska mreža. Za vektorsku reprezentaciju teksta korišćeni su tf-idf, Word2vec i GloVe. Modeli su trenirani na skupu podataka koji sadrži članke iz Huffington Post novina iz perioda 2012-2018. godine, a evaluacija je rađena na tim podacima, kao i na novinskim člancima koji su dobijeni scrape-ovanjem sa njihove veb stranice. Preciznost je računata kao odnos broja tačno pogođenih kategorija i ukupnog broja pogađanja, a prikazana je i F-mera.

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze