Our new term extraction service analyzes text and an optional query, returning a list of the key concepts from the text. You can use the service for a variety of different purposes. For example, Y!Q uses it to determine key concepts within the search context and then uses those terms for augmenting a user's search query.
K. Bischoff, C. Firan, W. Nejdl, and R. Paiu. Proceedings of the 17th ACM Conference on Information and Knowledge Management, page 193--202. New York, NY, USA, ACM, (2008)
D. Skoutas, and M. Alrifai. In Proc. of 20th ACM international conference on Information and knowledge management (CIKM '11), ACM, New York, NY, USA, 221-230., (2011)
R. Wetzker, C. Zimmermann, C. Bauckhage, and S. Albayrak. WSDM '10: Proceedings of the Third ACM International Conference on Web Search and Data Mining, page 71--80. New York, NY, USA, ACM, (2010)
Y. Yanbe, A. Jatowt, S. Nakamura, and K. Tanaka. JCDL '07: Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, page 107--116. New York, NY, USA, ACM, (2007)