152. A method to enable improved analysis and use of sociological data, the method comprising: identifying causal relationships between a plurality of documents; identifying a plurality of characteristics of a communication, including a modality used, actors involved, and proximate events of relevance; enabling a user to query based on all of the characteristics available; utilizing a plurality categorization mechanisms to automatically categorize documents in the corpus; and utilizing a supervised sampling process, based on receiving categorization decisions from human reviewers, to increase accuracy of automated categorization of the documents.
152. A method to enable improved analysis and use of sociological data, the method comprising: identifying causal relationships between a plurality of documents; identifying a plurality of characteristics of a communication, including a modality used, actors involved, and proximate events of relevance; enabling a user to query based on all of the characteristics available; utilizing a plurality categorization mechanisms to automatically categorize documents in the corpus; and utilizing a supervised sampling process, based on receiving categorization decisions from human reviewers, to increase accuracy of automated categorization of the documents. 153. The method of claim 152 , wherein non-randomized sets are used to increase human performance.