Information Retrieval Experiment

American Documentation American Society analysis Aslib automatic indexing average boolean CLEVERDON compared comparison concepts cost Cranfield CRTW Cyril Cleverdon database document collection documents retrieved environment evaluation example experimental facetted classification factors GTWC index language index terms information need information retrieval system information retrieval tests Information Science information service Information Storage INSPEC interaction investigation Journal of Documentation Latin square Library manual measure Medlars methodology methods natural language non-relevant obtained operational systems output particular possible problem procedures profiles query question ranking ratio recall and precision relevance assessments relevance judgements relevant documents Report requests retrieval effectiveness RIJSBERGEN SALTON sample search strategies search terms searchers simulation Smart Society for Information SPARCK JONES specific statistical Storage and Retrieval techniques test collections theory Uniterm University of Cambridge values variables Washington D.C. weights Western Reserve University