15. A computer-implemented system, comprising: an expertise inferencing function executed on a processor-based computing device, wherein the expertise inferencing function generates a first expertise vector associated with a first user in accordance with an inference of a level of expertise from a plurality of behaviors; and a computer-implemented expertise discovery function that generates a recommendation of a person for delivery to a user in accordance with the first expertise vector.
15. A computer-implemented system, comprising: an expertise inferencing function executed on a processor-based computing device, wherein the expertise inferencing function generates a first expertise vector associated with a first user in accordance with an inference of a level of expertise from a plurality of behaviors; and a computer-implemented expertise discovery function that generates a recommendation of a person for delivery to a user in accordance with the first expertise vector. 16. The system of claim 15 , further comprising: the computer-implemented expertise discovery function that generates the recommendation, wherein the recommendation is generated in accordance with a comparison of the first expertise vector with a second expertise vector.