Social information retrieval systems :  emerging technologies and applications for searching the Web effectively  

 - Hershey     Information Science Reference    c2008. 
<br/><br/><label>ISBN: </label>978-159904543-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Web search engines.
<br/><br/><label>Dewey Class. No.: </label>025.04 SOC