Resumen

MOCHON-BEZARES, Gonzalo; MENDEZ-RODRIGUEZ, Eva  y  SORLI-ROJO, Ángela. Social tagging and blog-scraping as an alternative for updating controlled vocabularies: Practical application to a library and information science thesaurus. Inf. cult. soc. [online]. 2017, n.37, pp.13-26. ISSN 1514-8327.

The aim of this paper is to compare the use of free language tags, taken in our case from specialized blogs on information sciences, against the unstructured controlled language of keywords lists, for verifying which of them is the best source of new terminology for the Librarianship Thesaurus and Documentation. To do this, authors' labels were extracted from 127 blogs on librarianship and information science using web scraping techniques, and were compared with descriptors and identifiers lists of the ISOC library and documentation database (ISOC-BD). The results of the analysis of authors' tags in blogs contribute with 186 new terms, while the database lists only 130 terms. It is concluded that free language tags could be a better and faster way for contributing new terminology to controlled vocabularies than unstructured controlled language lists.

Palabras clave : Social tagging; Thesauri maintenance; Blogs; Library and information science; Terminological extraction.

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