Relationship extraction

Relationship extraction is the task of extracting named relationships between entities in text. Semantic role labelling [ [http://www.lsi.upc.es/~srlconll/ CoNLL-2005 Shared Task: Semantic Role Labeling ] ] is a closely related task. Extracted relationships between entities can be represented using a variety of formalisms/languages. One such representation language for data on the Web is RDF. Application domains where these relationships are useful include Gene-Disease relationships,cite conference | author= Hong-Woo Chun, Yoshimasa Tsuruoka, Jin-Dong Kim, Rie Shiba, Naoki Nagata, Teruyoshi Hishiki, Jun-ichi Tsujii | title=Extraction of Gene-Disease Relations from Medline Using Domain Dictionaries and Machine Learning | booktitle=Pacific Symposium on Biocomputing | year=2006 ] Protein-Protein interactioncite journal| author= Minlie Huang and Xiaoyan Zhu and Yu Hao and Donald G. Payan and Kunbin Qu and Ming Li | title=Discovering patterns to extract protein-protein interactions from full texts | booktitle=Bioinformatics | volume=20 | number=18 | pages=3604–3612| year=2004] etc.

One approach to this problem involves the use of domain ontologies cite conference| author= T.C.Rindflesch and L.Tanabe and J.N.Weinstein and L.Hunter | title=EDGAR: Extraction of drugs, genes, and relations from the biomedical literature | booktitle=Proc. Pacific Symposium on Biocomputing| pages=514--525| year=2000] cite conference| author= C. Ramakrishnan and K. J. Kochut and A. P. Sheth | title=A Framework for Schema-Driven Relationship Discovery from Unstructured Text | booktitle=Proc. International Semantic Web Conference| pages=583-596| year=2006] .

ee also

*Text analytics
*Semantic analytics

References