1. Salton, G., McGill, M.: Introduction to Modern Information Retrieval. McGraw-Hill, New York (1983)
2. Hammouda, K., Kamel, M.: Efficient Phrase-based Document Indexing for Web Document Clustering. IEEE Transactions on Knowledge and Data Engineering 16, 1279–1296 (2004)
3. Shehata, S., Karray, F., Kamel, M.: A Concept-Based Model for Enhancing Text Categorization. In: The 13th ACM SIGKDD international Conference on Knowledge Discovery and Data Mining, pp. 629–637 (2007)
4. Hotho, A., Staab, S., Stumme, G.: WordNet Improve Text Document Clustering. In: SIGIR 2003 Semantic Web Workshop, pp. 541–544 (2003)
5. Jing, L., Zhou, L., Ng, M., Huang, Z.: Ontology-based Distance Measure for Text Clustering. In: IAM SDM Workshop on Text Mining (2003)