Similarity	Concept
	Operational information retrieval
	Information retrieval system
	Automatic document classification
	Information retrieval definition
	Data retrieval systems
	Retrieval effectiveness
	Experimental information retrieval
	Cluster based retrieval
	Information measure
	Document clustering

Pages with this concept

Similarity	Page	Snapshot
	160	system so that if we were to adopt [[Delta]]as a measure of effectiveness we could be throwing away vital information needed to make an extrapolation to the performance of other systems ...The Cooper model expected search length In 1968,Cooper [20]stated:The primary function of a retrieval system is conceived to be that of saving its users to as great an extent as is possible,the labour of perusing and discarding irrelevant documents,in their search for relevant ones ...a only one relevant document is wanted;b some arbitrary number n is wanted;c all relevant documents are wanted;4 a given proportion of the relevant documents is wanted,etc ...Thus,the index is a measure of performance for a query of given type ...The output of a search strategy is assumed to be a weak ordering of documents ...
	194	CHAN,F ...CHANG,C ...CHOU,C ...CHOW,C ...CLEVERDON,C ...CLEVERDON,C ...CLEVERDON,C ...CLIFFORD,H ...CLIMENSON,W ...COATES,E ...CODD,E ...COLE,A ...Comparative Systems Laboratory,An Inquiry into Testing of Information Retrieval Systems,3 Vols ...CONOVER,W ...COOPER,M ...COOPER,W ...COOPER,W ...COOPER,W ...COOPER,W ...CORMACK,R ...COX,D ...CROFT,W ...CROFT,W ...CROFT,W ...CROUCH,D ...CUADRA,A ...