16. The method of claim 15 , wherein the break includes one of a sentence break, a paragraph break, a chapter break, and a volume break.
15. The method of claim 14 , wherein applying predefined criteria comprises: determining whether the text seed and the sentences within the one or more adjacent text subgroups are interrupted by a break in the electronic text; and in response to determining that the text seed and the sentences within the one or more adjacent text subgroups are interrupted by a break in the electronic text, reducing the similarity score associated with the text seed and the one or more adjacent text subgroups.