X.ent Package for Extraction of Entities, Relationships between Entities and Support Data Analysis in Epidemiological Journals in French Agriculture

Abstract

     Entity extraction is a task of information extraction and element classification in text such as the names of persons, organizations, locations, times, etc. and to find relationship between entities such as the relationship between the names of persons with the organizations. The X.ent tool was built solve this task. It uses dictionaries matching and hand - crafted rules to extract. In extracting the relationship between the entities, we applied two methods: analysis of text structures and unsupervised learning approach called coo – ccurrence analysis. This tool is available on the site of R at the links: http: //cran.r - project.org/web/packages/x.ent/index.html.