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Malarkodi C. S., Lex Elisabeth, Sobha Lalitha Devi

Named Entity Recognition for the Agricultural Domain

17th International Conference on Intelligent Text Processing and Computational Linguistics (CICLING 2016); Research in Computing Science, CICLING 2016, Springer Lecture Notes in Computer Science, Konya, Turkey, 2016

Agricultural data have a major role in the planning and success of rural development activi ties. Agriculturalists, planners, policy makers, gover n- ment officials, farmers and researchers require relevant information to trigger decision making processes. This paper presents our approach towards extracting named entities from real - world agricultura l data from different areas of agricu l- ture using Conditional Random Fields (CRFs). Specifically, we have created a Named Entity tagset consisting of 19 fine grained tags. To the best of our knowledge, there is no specific tag set and annotated corpus avail able for the agricultural domain. We have performed several experiments using different combination of features and obtained encouraging results. Most of the issues observed in an error analysis have been addressed by post - processing heuristic rules, which resulted in a significant improvement of our system’s accuracy
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