Benjamin Hayden Sims

US Patent:

20090099998, Apr 16, 2009

Filed:

Oct 12, 2007

Appl. No.:

11/871692

Inventors:

Cornelia Maria Verspoor - Santa Fe NM, US
Benjamin Hayden Sims - Los Alamos NM, US
John Joseph Ambrosiano - Los Alamos NM, US
Timothy James Cleland - Los Alamos NM, US

Assignee:

LOS ALAMOS NATIONAL SECURITY LLC - Los Alamos NM

International Classification:

G06N 7/00

US Classification:

706 55

Abstract:

A knowledge-based system and methods to matchmaking and social network extension are disclosed. The system is configured to allow users to specify knowledge profiles, which are collections of concepts that indicate a certain topic or area of interest selected from an. The system utilizes the knowledge model as the semantic space within which to compare similarities in user interests. The knowledge model is hierarchical so that indications of interest in specific concepts automatically imply interest in more general concept. Similarity measures between profiles may then be calculated based on suitable distance formulas within this space.