Challenges on Combining Open Web and Dataset Evaluation Results: The Case type: publication profile: false of the Contextual Suggestion TrackAlejandro Bellogín, Thaer Samar, Arjen P. De Vries, Alan SaidJan 1, 2014Cite DOIInformation Retrieval Evaluation Judgement Information Retrieval System Mean Reciprocal Rank Relevance JudgementAlan SaidAssociate Professor of Computer Science