15. An apparatus, comprising: memory element configured to store data; a processor operable to execute instructions associated with the data; a network sensor configured to: receive data propagating in a network environment; identify in real time a first user who generated the data and a second user who consumed the data; evaluate one or more fields in the data, wherein the evaluating includes searching and filtering for nouns and noun phrases; and a central engine configured to interface with the memory element, the processor, and the network sensor, the central engine being configured to: identify selected terms within the nouns and noun phrases, wherein the selected terms correspond to one or more topics, wherein the selected terms are tagged with respective expertise tags; associate the first user and the second user with the expertise tags and add the selected terms to a first personal vocabulary of the first user and a second personal vocabulary of the second user, wherein the first personal vocabulary is associated with expertise of the first user in the one or more topics and the second personal vocabulary is associated with expertise of the second user in the one or more topics, wherein the selected terms are assigned a higher weight in the first personal vocabulary than in the second personal vocabulary.
15. An apparatus, comprising: memory element configured to store data; a processor operable to execute instructions associated with the data; a network sensor configured to: receive data propagating in a network environment; identify in real time a first user who generated the data and a second user who consumed the data; evaluate one or more fields in the data, wherein the evaluating includes searching and filtering for nouns and noun phrases; and a central engine configured to interface with the memory element, the processor, and the network sensor, the central engine being configured to: identify selected terms within the nouns and noun phrases, wherein the selected terms correspond to one or more topics, wherein the selected terms are tagged with respective expertise tags; associate the first user and the second user with the expertise tags and add the selected terms to a first personal vocabulary of the first user and a second personal vocabulary of the second user, wherein the first personal vocabulary is associated with expertise of the first user in the one or more topics and the second personal vocabulary is associated with expertise of the second user in the one or more topics, wherein the selected terms are assigned a higher weight in the first personal vocabulary than in the second personal vocabulary. 20. The apparatus of claim 15 , further comprising: a search interface configured to initiate the search query for the particular expertise within a database that includes at least some of the selected words.