GPX : ad-hoc queries and automated link discovery in the Wikipedia
Geva, Shlomo (2008) GPX : ad-hoc queries and automated link discovery in the Wikipedia. Focused Access to XML Documents (LNCS), 4862, pp. 404-416.
The INEX 2007 evaluation was based on the Wikipedia collection in XML format. In this paper we describe some modifications to the GPX search engine and the approach taken in the Ad-hoc and the Link-the-Wiki tracks. The GPX retrieval strategy is based on the construction of a collection sub-tree, consisting of all nodes that contain one or more of the search terms. Nodes containing search terms are assigned a score using the GPX ranking scheme which incorporates an extended TF-IDF variant. In earlier version of GPX scores were recursively propagated from text containing nodes, through ancestors, all the way to the document root of the XML tree. In this paper we describe a simplification whereby the score of each node is computed directly, doing away with the score propagation mechanism. Preliminary results indicate improved performance. The GPX search engine was used in the Link-the-Wiki track to identify prospective incoming links to new Wikipedia pages. We also describe a simple and efficient approach to the identification of prospective outgoing links in new Wikipedia pages. We present preliminary evaluation results.
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|Item Type:||Journal Article|
|Keywords:||Information Retrieval, Focused Information Retrieval, Link discovery, Wikipedia, Search Engine, XML Search, Evaluation|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2008 Springer|
|Copyright Statement:||This is the author-version of the work. Conference proceedings published, by Springer Verlag, will be available via SpringerLink.|
|Deposited On:||23 Feb 2009 01:24|
|Last Modified:||17 Jul 2014 03:19|
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