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1、BeyondKeywords:TheRevolutioninSearchJoeBuzzanga,MBA,MLS,MASeniorProductManager,IEEEIntroductionInadigitalworldsearchisessential,pervasive,ubiquitousandceaseless.Yet,searchremainsunsatisfyinginmanyways.Whyisthisthecase?Whenwesearch,we’reafterananswer.Buttoday’ssearchenginesd
2、on’thaveenoughintelligencetoprovideanswers.They’realsonotadvancedenoughtointerpretnaturallyphrasedqueriesandunderstandtheambiguitiesofordinarylanguage.Andsowetypeinkeywordsandgetlinksorlistsofresultsthataremoreorlessrelevantdependingonthetypeofsearch,ourqueryandthecompetenc
3、eofthesearchengine.Thereisalwaysafurtherstepwhenwehavetoselectanitemfromaresultsetandassessit.Hopefully,theanswereventuallyemerges,buttherearenoguarantees.Theultimatesearchenginewoulddirectlyanswerourquery.Perhapsitwouldevenanticipateourqueryandpresenttheanswerbeforeweevena
4、sk.Toanswerus,thesearchenginewouldneedtounderstandourquery,ourcontextandthecorpusofknowledgeatitsdisposal—inshort,itwouldneedArtificialIntelligence(AI).TheproblemofsearchultimatelyresolvestoaproblemofAI.AdeepAIsearchengineremainsafuturisticvisionforthemostpart.Butsearchtech
5、nologyisadvancingrapidlyandrecentinnovationsarebeginningtoovercomethelimitationsoftheconventionalkeywordquery/resultlistmodel.Searchisreflectingglimmersofsomethingresembling“meaning”or“intelligence”.Meaninginsearchisemergingalongthreerelateddimensions.First,meaninginthesens
6、eofenormousknowledgebasesthatprovideafoundationforsupplyingdirectanswerstoqueries.Second,meaninginthesenseofsemanticunderstandingautomaticallyderivedfromunlabeleddocumentcollectionsthroughmachinelearningalgorithms.Third,actionablemeaningintheguiseofintelligentpersonalassist
7、antsthatprovidedeeplycontextualsearchtriggeredthroughanatural,conversationalinterface.TheBuildingBlocksofSearch:ClassicInformationRetrievalModernsearchenginesareapplicationsofthetechnologiesdevelopedinthefieldmoreformallyknownasInformationRetrieval.Inthispaperwetreatsearcha
8、ndinformationretrievalassynonymousconcepts.Tounderstandtherevolutioninsearch,wenee
