13. A computer system for determining whether a mismatch is present between content and a description associated with a literary work, the system comprising: one or more processor; and one or more memory having processor-executable instructions that, in response to execution by the one or more processor, cause the computer system to: receive, from a user, a content and a description; identify one or more description stems associated with the received description, each description stem to correspond to one or more words included in the description; identify one or more content stems associated with the received content, each content stem to correspond to one or more words included in the content; calculate a matching score based at least in part on whether one or more description stems identified in the description match one or more contents stems identified in the content; and determine whether the received description and the received content correspond to a same literary work based at least in part on the calculated matching score.
18. The computer system of claim 13 , wherein the matching score is calculated additionally based on whether one or more name entities included in the received description match one or more words in the received content, and wherein the instructions further comprise instructions to: identify the one or more name entities included in the received description, each name entity to correspond to one or more words included in the received description; calculate a name entity value based on whether the one or more identified name entities match one or more words included in the received content; and adjust the matching score based on the calculated name entity value.