The term “Semantic Search” is certainly not new. However, it has taken on a new dimension and implications in both search and social engines today. In addition, it has had a strong impact on targeted semantic advertising.
J. Hosken. Papers and discussions presented at the the November 7-9, 1955, eastern joint AIEE-IRE computer conference: Computers in business and industrial systems, page 39--55. New York, NY, USA, ACM, (1955)