Similarity Ranking as Attribute for Machine Learning Approach to Authorship Identification

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Publikace nespadá pod Filozofickou fakultu, ale pod Fakultu informatiky. Oficiální stránka publikace je na webu muni.cz.
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RYGL Jan HORÁK Aleš

Rok publikování 2012
Druh Článek ve sborníku
Konference Proceedings of the Eight International Conference on Language Resources and Evaluation
Fakulta / Pracoviště MU

Fakulta informatiky

Citace
www http://www.lrec-conf.org/proceedings/lrec2012/summaries/618.html
Obor Jazykověda
Klíčová slova authorship identification; machine learning; similarity ranking
Popis In the authorship identification task, examples of short writings of N authors and an anonymous document written by one of these N authors are given. The task is to determine the authorship of the anonymous text. Practically all approaches solved this problem with machine learning methods. The input attributes for the machine learning process are usually formed by stylistic or grammatical properties of individual documents or a defined similarity between a document and an author. In this paper, we present the results of an experiment to extend the machine learning attributes by ranking the similarity between a document and an author: we transform the similarity between an unknown document and one of the N authors to the order in which the author is the most similar to the document in the set of N authors. The comparison of similarity probability and similarity ranking was made using the Support Vector Machines algorithm. The results show that machine learning methods perform slightly better with attributes based on the ranking of similarity than with previously used similarity between an author and a document.
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