Bisociative knowledge discovery by literature outlier detection

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Abstract

The aim of this chapter is to present the role of outliers in literature-based knowledge discovery that can be used to explore potential bisociative links between different domains of expertise. The proposed approach upgrades the RaJoLink method which provides a novel framework for effectively guiding the knowledge discovery from literature, based on the principle of rare terms from scientific articles. This chapter shows that outlier documents can be successfully used as means of detecting bridging terms that connect documents of two different literature sources. This linking process, known also as closed discovery, is incorporated as one of the steps of the RaJoLink methodology, and is performed by using publicly available topic ontology construction tool OntoGen. We chose scientific articles about autism as the application example with which we demonstrated the proposed approach. © 2012 Springer-Verlag Berlin Heidelberg.

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Petrič, I., Cestnik, B., Lavrač, N., & Urbančič, T. (2012). Bisociative knowledge discovery by literature outlier detection. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 7250, 313–324. https://doi.org/10.1007/978-3-642-31830-6_22

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