Naslov
Experimental Evaluation of Documents Classification Represened Using Concept Decomposition

Autori
Dobša, Jasminka ; Mladenić, Dunja ; Grobelnik, Marko ; Brank, Janez

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 27th International Conference on Information Technology Interfaces, ITI 2005 / - , 2005, 187-192

Skup
Information Technology Interfaces 2005, ITI 2005

Mjesto i datum
Dubrovnik, Hrvatska; Cavtat, Hrvatska, 20.06.2005. - 23.06.2005

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
text mining; dimensionality reduction; concept indexing; latent semantic indexing; hierarchies of web documents

Sažetak
The paper presents experimental evaluation of dimensionality reduction technique based on concept indexing applied on document categorization. The experiments were conducted on three collections of documents, a standard Reuters news collection in English, and two hierarchies of Web documents (Slovenian and Croatian). In the experiments on classification into the Reuters collection the method of concept indexing was more successful than latent semantic indexing for the small number of vectors on which we project the documents. We have seen that concept indexing has improved classification performance of the used Support Vector Machines classifier on some categories in all the three document collections.

Izvorni jezik
Engleski

Znanstvena područja
Informacijske i komunikacijske znanosti

POVEZANOST RADA