1. Veena, G., Lekha, N.K.: A concept based clustering model for document similarity. In: 2014 International Conference on Data Science & Engineering (ICDSE). IEEE. 978-1-4799-5461-2/14/$31.00 ©2014
2. https://developer.yahoo.com/geo/geoplanet/guide/
3. Patawar, M.L., Potey, M.A.: Approaches to named entity recognition: a survey. Int. J. Innov. Res. Comput. Commun. Eng. 3(12) (2015) (An ISO 3297: 2007 Certified Organization)
4. Farmakiotou, D., Karkaletsis, V., Koutsias, J., Sigletos, G., Spyropoulos, C.D., Stamatopoulos, P.: Rule based Named Entity Recognition For Greek financial texts. In: MITOS (EPET II – 1.3 – 102) 28 Feb 2013
5. Rau, L.F.: Extracting Company Names from Text. IEEE (1991). CH2967-8/91/0000/0029$01 .OO 0