12. The method of claim 1 , wherein determining the similarity relationship between the text cluster and the other text subgroups comprises: using a semantic graph representing relations between words to compare the search criteria to one or more words in each of one or more adjacent text subgroups; and using the comparison to associate the search criteria with the one or more adjacent text subgroups.
12. The method of claim 1 , wherein determining the similarity relationship between the text cluster and the other text subgroups comprises: using a semantic graph representing relations between words to compare the search criteria to one or more words in each of one or more adjacent text subgroups; and using the comparison to associate the search criteria with the one or more adjacent text subgroups. 13. The method of claim 12 , further comprising generating the semantic graph using at least one of pre-generated summarization of the electronic text, metadata of the electronic text, semantic analysis of the electronic text, semantic indexing, natural language processing (NLP), and statistical techniques.