Citation Graph Based Ranking in Invenio

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Citation Graph Based Ranking in Invenio
Invenio is the web-based integrated digital library system developed at CERN. Within this framework, we present four types of ranking models based on the citation graph that complement the simple approach based on citation counts: time-dependent citation counts, a relevancy ranking which extends the PageRank model, a time-dependent ranking which combines the freshness of citations with PageRank and a ranking that takes into consideration the external citations. We present our analysis and results obtained on two main data sets: Inspire and CERN Document Server. Our main contributions are: (i) a study of the currently available ranking methods based on the citation graph; (ii) the development of new ranking methods that correct some of the identified limitations of the current methods such as treating all citations of equal importance, not taking time into account or considering the citation graph complete; (iii) a detailed study of the key parameters for these ranking methods. Key word...
Ludmila Marian, Jean-Yves LeMeur, Martin Rajman, M
Added 09 Nov 2010
Updated 09 Nov 2010
Type Conference
Year 2010
Authors Ludmila Marian, Jean-Yves LeMeur, Martin Rajman, Martin Vesely
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