1. A non-transitory computer readable medium including instructions thereon that are accessible by a hardware processing arrangement, wherein, when the processing arrangement executes the instructions, the processing arrangement is configured to at least generate information associated with a classification of at least one document, comprising: identifying at least first characteristic of the at least one document; obtaining at least one second classification of the at least one document after removing the at least one first characteristic of the at least one document; and generating the information associated with the classification of the at least one document based on the at least one second classification.