Patent ID: 8706709

Claim:
A method, comprising: capturing documents propagating as part of end user traffic in a network environment, wherein the documents are captured via a capture system configured to perform firewall activities; identifying a root word for a tree used in managing data, wherein the root word is identified in at least one of the documents that was captured; creating a word stem for inclusion in the tree, wherein a query is initiated to determine whether a stem node exists at one or more branch points of the word, and wherein if the stem node does not exist, then the stem node is added to a branch point of the tree; generating a concept based on the tree, wherein the concept reflects a collection of terms that have a relationship with the root word, and wherein at least some of the documents that have at least some of the terms are tagged based on the relationship with the root word; and applying the concept to a rule to control movement and access for at least some of the documents having been tagged as having particular content associated with the concept.