Semantic search engine Hakia has raised $2 million of a planned $5 million round, according to VentureWire (via VentureBeat). The funding, from an unidentified investor, follows $16 million in funding that was announced last year, bringing its total raise to $18 million. Previous institutional backers include Noble Grossart Investments Ltd., Alexandra Investment Management, Prokom Investments and KVK. The NYC-based company is one of several startups claiming to be analyze content based on meaning. Others in the space include Powerset and Yedda, which was acquired by AOL. The site has also unveiled a social element, similar to what ChaCha is doing.