Vol: 54(68) No: 1 / March 2009 |
Searching for Similar Documents using Keywords and Taxonomies in Mobile Device Environments
Department of Automation and Applied Informatics, Budapest University of Technology and Economics, 1111 Budapest, Goldmann Gy. Tér 3., Hungary, phone: +36 1 463-2870, e-mail: email@example.com, web: http://www.aut.bme.hu/
Department of Automation and Applied Informatics, Budapest University of Technology and Economics, 1111 Budapest, Goldmann Gy. Tér 3., Hungary, e-mail: firstname.lastname@example.org
Keywords: document similarity, taxonomy, mobile device, topic representation
This paper presents a new extension for a keyword list based document similarity comparison system which was developed for applications in mobile device environments. It was designed to support users of mobile devices searching for documents in a peer-to-peer network which have similar topic to the ones on the users own device. The method is designed for slower processors, fewer memory and small data traffic between the mobile devices to conform the requirements of mobile devices like phones or PDA-s. The similarity measure is based on the number of common keywords which is now extended with a taxonomic support. This allows comparing documents which have similar topics but which are far enough not to have any common keywords. Details of the taxonomic extension and the creation method of topic hierarchy specific keyword taxonomies are explained in this paper in details.
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