<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>9177</REFNUM><AUTHORS><AUTHOR>Peng,J.</AUTHOR><AUTHOR>He,B.</AUTHOR><AUTHOR>Ounis,I.</AUTHOR></AUTHORS><YEAR>2009</YEAR><TITLE>Predicting the Usefulness of Collection Enrichment for Enterprise Search</TITLE><PLACE_PUBLISHED>In Proceedings of the 2nd International Conference on the Theory of Information Retrieval (ICTIR 2009), Cambridge, UK, September 2009. LNCS.</PLACE_PUBLISHED><PUBLISHER>Springer</PUBLISHER><LABEL>Peng:2009:9177</LABEL><KEYWORDS><KEYWORD>Query performance predictors; Collection Enrichment; Query Expansion</KEYWORD></KEYWORDS</RECORD></RECORDS></XML>