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Authors: Luis Trigo 1 ; Martin Víta 2 ; Rui Sarmento 1 and Pavel Brazdil 1

Affiliations: 1 INESC TEC, Portugal ; 2 Faculty of Informatics, Czech Republic

Keyword(s): Information Retrieval, Knowledge Artifacts, Graph-based Representation of Documents, Centrality Measures, Affinity Network, Comparison of Rankings.

Abstract: We present an Information Retrieval tool that facilitates the task of the user when searching for a particular information that is of interest to him. Our system processes a given set of documents to produce a graph, where nodes represent documents and links the similarities. The aim is to offer the user a tool to navigate in this space in an easy way. It is possible to collapse/expand nodes. Our case study shows affinity groups based on the similarities of text production of researchers. This goes beyond the already established communities revealed by co-authorship. The system characterizes the activity of each author by a set of automatically generated keywords and by membership to a particular affinity group. The importance of each author is highlighted visually by the size of the node corresponding to the number of publications and different measures of centrality. Regarding the validation of the method, we analyse the impact of using different combinations of titles, abstracts a nd keywords on capturing the similarity between researchers. (More)

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Paper citation in several formats:
Trigo, L.; Víta, M.; Sarmento, R. and Brazdil, P. (2015). Retrieval, Visualization and Validation of Affinities between Documents. In Proceedings of the 7th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2015) - KITA; ISBN 978-989-758-158-8; ISSN 2184-3228, SciTePress, pages 452-459. DOI: 10.5220/0005662904520459

@conference{kita15,
author={Luis Trigo. and Martin Víta. and Rui Sarmento. and Pavel Brazdil.},
title={Retrieval, Visualization and Validation of Affinities between Documents},
booktitle={Proceedings of the 7th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2015) - KITA},
year={2015},
pages={452-459},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005662904520459},
isbn={978-989-758-158-8},
issn={2184-3228},
}

TY - CONF

JO - Proceedings of the 7th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2015) - KITA
TI - Retrieval, Visualization and Validation of Affinities between Documents
SN - 978-989-758-158-8
IS - 2184-3228
AU - Trigo, L.
AU - Víta, M.
AU - Sarmento, R.
AU - Brazdil, P.
PY - 2015
SP - 452
EP - 459
DO - 10.5220/0005662904520459
PB - SciTePress

- Science and Technology Publications, Lda.
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