Short introduction to Vector Space Model (VSM) In information retrieval or text mining, the term frequency - inverse document frequency also called tf-idf, is
G. Feng, T. Liu, Y. Wang, Y. Bao, Z. Ma, X. Zhang, und W. Ma. Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR \textquotesingle06, ACM Press, (2006)
J. Wu, K. Williams, H. Chen, M. Khabsa, C. Caragea, A. Ororbia, D. Jordan, und C. Giles. Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence and the Twenty-Sixth Innovative Applications of Artificial Intelligence Conference, Québec, Canada, Seite 2930--2937. Association for the Advancement of Artificial Intelligence, (Juli 2014)
D. Sonntag, P. Wennerberg, P. Buitelaar, und S. Zillner. Cases on Semantic Interoperability for Information Systems Integration: Practices and Applications, Kapitel 8, IGI Global, Hershey, PA, (2009)
M. Möller, S. Regel, und M. Sintek. The Semantic Web: Research and Applications, 6th European Semantic Web Conference, ESWC 2009, Heraklion, Crete, Greece, Volume 5554 von Lecture Notes in Computer Science, Springer, Berlin, (2009)
G. Schmidt, und I. Novakovic. Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC 2008), Karlsruhe, Germany, (2008)
C. Cattuto, D. Benz, A. Hotho, und G. Stumme. The Semantic Web -- ISWC 2008: 7th International Semantic Web Conference, Karlsruhe, Germany, Volume 5318 von Lecture Notes in Computer Science, Springer, Berlin, (2008)