Methods and systems for categorizing and indexing human-readable data

Systems and methods for processing content packages such as human-readable documents identify and analyze content type. Structural and logical evaluation of a Content package is performed, followed by analysis and indexing of concepts within the package. Analysis and identification of concepts and sub-concepts may be an iterative process. Concepts are indexed in accordance with different rule sets representing Different consumer needs and perspectives. Customers can then use the indices to navigate large groups of content packages based on the concepts contained within those packages and also on keywords associated with concepts.