2009
- Exploring Validity Indices for Clustering Textual DataAhmad El Sayed, Hakim Hacid, Djamel A. Zighed. In Djamel A. Zighed, Shusaku Tsumoto, Zbigniew W. Ras, Hakim Hacid, editors, Mining Complex Data. Volume 165 of Studies in Computational Intelligence, pages 281-300, Springer, 2009. [doi]
2008
2007