"Agglomerative Clustering, by Selim Mimaroglu." UMass Boston Computer Science: Home. Web. 17 Apr. 2012. <http://www.cs.umb.edu/~smimarog/agnes/agnes.html>.

"Association Rules." Wikipedia. Wikimedia Foundation, 17 Apr. 2012. Web. 17 Apr. 2012. <http://en.wikipedia.org/wiki/Association_rules>.

Bergmann, Anouschka, Kathleen Currie. Hall, and Sharon Miriam. Ross. Language Files: Materials for an Introduction to Language and Linguistics. Columbus: Ohio State UP, 2007. Print.

Chuang, Shui-Lung, and Lee-Feng Chien. "Taxonomy Generation for Text Segments: A Practical Web-based Approach." ACM Transactions on Information Systems 2005th ser. 23.4 (2005). Print.

Discovery of Frequent Word Sequences in Text. Rep. University of Helsinki, 2002. Web. 17 Apr. 2012. <http://ccc.inaoep.mx/~villasen/index_archivos/cursoTL/articulos/Ahonen-DiscoveryOfFrequentWordSequencesInText.pdf>.

Feldman, Ronen, and James Sanger. The Text Mining Handbook: Advanced Approaches in Analyzing Unstructured Data. 2007 ed. Cambridge UP. Print.

Ferneda, Edilson, and Hércules Antonio Do. Prado. Emerging Technologies of Text Mining: Techniques and Applications. Hershey, Pa. [u.a.: Information Science Reference, 2008. Print.

"Hierarchical Agglomerative Clustering." The Stanford NLP (Natural Language Processing) Group. Web. 17 Apr. 2012. <http://nlp.stanford.edu/IR-book/html/htmledition/hierarchical-agglomerative-clustering-1.html>.

"Hierarchical Clustering." Wikipedia. Wikimedia Foundation, 04 Dec. 2012. Web. 17 Apr. 2012. <http://en.wikipedia.org/wiki/Hierarchical_clustering>.

Jones, Tim. Artificial Intelligence: A Systems Approach. 2008 ed. Infinity Science. Print.

Karris, Steven T. Mathematics for Business, Science, and Technology with MATLAB and Excel Computations. 3rd ed. Orchard Publications, 2007. Print.

Lynch, Jack. The Lexicographer's Dilemma. New York: Walker &, 2009. Print.

Martinet, Jean, Yves Chiaramella, and Philippe Mulhem. "A Relational Vector Space Model Using an Advanced Weighting Scheme for Image Retrieval." Information Processing and Management: An International Journal 47.3 (2011). Print.

McWhorter, John. The Power of Babel: A Natural History of Language. AWH Freeman Book, 2001. Print.

Rokach, Lior, and Oded Maimon. Data Mining and Knowledge Discovery Handbook. 2005 ed. Print.

"Vector Space Model." Wikipedia. Wikimedia Foundation, 28 Mar. 2012. Web. 17 Apr. 2012. <http://en.wikipedia.org/wiki/Vector_space_model>.

Yagoda, Ben. When You Catch an Adjective, Kill It: The Parts of Speech for Better And/or Worse. New York: Broadway, 2006. Print.

Zhang, Du, and Jeffrey Tsai. Advances in Machine Learning Applications in Software Engineering. 2007 ed. Print.