A Character n-gram Based Approach for Improved Recall in Indian Language NER Praneeth M Shishtla author Prasad Pingali author Vasudeva Varma author 2008 text Proceedings of the IJCNLP-08 Workshop on Named Entity Recognition for South and South East Asian Languages conference publication shishtla-etal-2008-character https://aclanthology.org/I08-5010/ 2008