Weliveinanageofubiquitoussearch.Childrengrowinguptoday inthedevelopedworldwouldprobablyfindaworldwithout searchenginesasinconceivableastherestofuswouldfinda worldwithoutelectricityandrunningwater.Moreover,searchengineusers ‐thatistosay,almostallofus‐expectthoseenginestoworklikemagic, extrapolatingourinformationneedsfromapairofwords(onaverage)and respondingwiththecontentmostrelevanttothoseneeds. Ofcourse,searchenginesdonotalwaysmeettheseexpectations. Thousandsofengineersworkat‐orwith‐searchenginecompaniesto tunethewaysthoseenginesmodelandcomputerelevance.Relevance, however,isnotaone-size-fits-allmeasure.Forexample,websearch enginestypicallymeasuretherelevanceofwebpagesusingbibliometric considerationssuchasGoogle’sPageRankmeasureandthe“anchortext” associatedwithlinksconnectingintopages.Incontrast,enterprisescannot typicallyrelyonarichnetworkconnectingthedocumentsstoredintheir repositories;hence,theirsearchengineslookforrelevancesignalsin documentstructure(forexample,titleandkeywordfields)andconsiderfactors specifictotheirdomainsorapplications.Ofcourse,almosteverysearch engine’sfilteringandrankingalgorithmstakeintoaccounttherelationship betweenwordsinthesearchqueryandwordsthatoccurindocuments.
[1]
Howard R. Turtle.
Natural language vs. Boolean query evaluation: a comparison of retrieval performance
,
1994,
SIGIR '94.
[2]
Marcia J. Bates,et al.
The design of browsing and berrypicking techniques for the online search interface
,
1989
.
[3]
Tefko Saracevic,et al.
Relevance : A Review of the Literature and a Framework for Thinking on the Notion in Information Science . Part III : Behavior and Effects of Relevance
,
1976
.
[4]
Peter Pirolli,et al.
Information Foraging
,
2009,
Encyclopedia of Database Systems.
[5]
Shiyali Ramamrita Ranganathan.
Philosophy of Library Classification
,
2006
.
[6]
William Goffman,et al.
On relevance as a measure
,
1964,
Inf. Storage Retr..
[7]
Nicholas J. Belkin,et al.
Some(what) grand challenges for information retrieval
,
2008,
SIGF.
[8]
T. Saracevic.
Relevance: A Review of the Literature and a Framework for Thinking on the Notion in Information Science. Part II
,
2006
.
[9]
Gary Marchionini.
Toward human‐computer information retrieval
,
2007
.