Media type: E-Article Title: Lecture Notes in Computer Science: Navigating in the Dark: Modeling Uncertainty in Ad Hoc Retrieval Using Multiple Relevance Models Contributor: Soskin, Natali; Kurland, Oren; Domshlak, Carmel Published: Springer Berlin Heidelberg, 2009 Published in: Lecture Notes in Computer Science (2009), Seite 79-91 Language: Not determined DOI: 10.1007/978-3-642-04417-5_8 ISSN: 1611-3349; 0302-9743 Origination: Footnote: