6. The system of claim 1 , wherein the content matching engine is further configured to compare at least a portion of the document to at least a portion of the one or more publications by comparing a first transformation of at least a portion of the document with a second transformation of at least a portion of the one or more first publications.
6. The system of claim 1 , wherein the content matching engine is further configured to compare at least a portion of the document to at least a portion of the one or more publications by comparing a first transformation of at least a portion of the document with a second transformation of at least a portion of the one or more first publications. 7. The system of claim of claim 6 , wherein the content matching engine is further configured to perform the transformation of at least a portion of the document by applying a hash function to at least a portion of the document.