11. An article comprising: a non-transitory storage medium comprising machine-readable instructions which are executable by at least one processor to: extract a group of two or more sentences of an electronic document; segment individual sentences of said two or more sentences into a first phrase and at least a second phrase, said first phrase to comprise at least one word not contained within said at least a second phrase; determine two or more paths between phrases of said individual sentences, individual paths of said two or more paths comprising no more than one phrase from individual ones of said individual sentences; at least partially in response to a search query to be received, determine respective scores for said individual paths based at least in part on a utility metric and a ranking of said two or more sentences with respect to said search query; generate an abstract of said electronic document, said abstract comprising individual ones of said phrases associated with a first path of said two or more paths, said first path being associated with a highest of said respective scores, wherein a first phrase of said phrases associated with said first path is different from a second phrase of said phrases associated with said first path; and transmit one or more search results comprising at least said abstract to a user at least partially in response to receiving said search query from said user.
11. An article comprising: a non-transitory storage medium comprising machine-readable instructions which are executable by at least one processor to: extract a group of two or more sentences of an electronic document; segment individual sentences of said two or more sentences into a first phrase and at least a second phrase, said first phrase to comprise at least one word not contained within said at least a second phrase; determine two or more paths between phrases of said individual sentences, individual paths of said two or more paths comprising no more than one phrase from individual ones of said individual sentences; at least partially in response to a search query to be received, determine respective scores for said individual paths based at least in part on a utility metric and a ranking of said two or more sentences with respect to said search query; generate an abstract of said electronic document, said abstract comprising individual ones of said phrases associated with a first path of said two or more paths, said first path being associated with a highest of said respective scores, wherein a first phrase of said phrases associated with said first path is different from a second phrase of said phrases associated with said first path; and transmit one or more search results comprising at least said abstract to a user at least partially in response to receiving said search query from said user. 15. The article of claim 11 , wherein said utility metric comprises at least one of a measure of readability of a given phrase, a measure of relevance of a given phrase with respect to a given query, a measure of relevance of a given phrase with respect to said electronic document, or a measure of length of a given phrase.