Emtree: The deep indexing of Embase - Elsevier

Emtree is Elsevier's authoritative life science thesaurus. Our experts use this polyhierarchical representation of biomedical knowledge to index the full ... Skiptocontent SetviaJS Home AllSolutions Embase DeepindexingwithEmtree Emtree:ThedeepindexingofEmbase EmtreeisElsevier’sauthoritativelifesciencethesaurus.OurexpertsusethispolyhierarchicalrepresentationofbiomedicalknowledgetoindexthefulltextofjournalarticlesinEmbase.ThedepthandbreadthofEmtreeunderliesthedeepindexingofEmbasecontentthatpowerseverysearch. HowdoesEmtreehelpyou?WithEmtree,youcanusenaturallanguagetosearchthousandsofjournalsandmillionsofconferenceabstractswithprecisionandhighrecall. WhatdoesEmtreecontain?Emtreeincludestermsfor:DrugsandmedicaldevicesDiseasesandbiologicalfunctionsMedicalproceduresincludingtraditionalChinesepracticesStudytypesandmuchmore HowoftenisEmtreeupdated?Threetimesayear.Newtermsareaddedbasedontheirfrequencyofuse.Thefocusisondrugs,medicaldevices,proceduresanddiseases. HowisEmtreestructured?Emtreeisapolyhierarchicalthesaurus.Atermcanappearinmultiplebranches.Structurechangesareinfrequentbutcanhappentoremainaccurate. EmtreemakesthingsfindableEmtreetermsareusedtoindex:AlldruggenericnamesdescribedbytheFDAandEMAAlldruginternationalnon-proprietarynames(INNs)describedbytheWHODrugtradenamesformostmajorpharmaceuticalcompaniesMedicaldevicetradeandgeneralnames,plusmedicalproceduresGlobalmedicaldevicenomenclature(GMDN)namesusedbytheFDADiseases,organisms,biologicalfunctions,andmedicalandbiologicalparametersTermsfortraditionalChinesemedicineAlltermsfromtheMEDLINEthesaurusMeSH EmbaseindexingataglanceEmtreeisexpansive,includingonaverageover4synonymsforeachtermtoensurethatyourresultsarecomprehensive.BothEmbaserecordsandlicensedMEDLINErecordsareindexedextensively,eitherviaexpertmanualindexingoradvancedalgorithms.ThecoreprinciplesofEmbaseindexing Inassigningindexterms,indexerscheckthefullarticle,notjusttitleandabstract. IndextermsarecontrolledbytheEmtreethesaurusforconsistentconceptcoverage. Indexingfollowsstrictandwell-definedguidelinestofurtherenhancedatabaseconsistency. StringentqualitycontrolchecksensureaccurateindexingValidationduringindexing–indexersarewarnediftheyattempttoindextermsinthewrongfieldoriftermscannotbefoundinEmtree.Overallindexingquality–monthlychecksareperformedonrepresentativedatasamplestoprovidecontinuousfeedbacktoindexers. DownloadtheEmbaseindexingguideformoreinsights. Bythenumbers:EmtreeasofJanuary2020 86,000preferredtermsincludingMeSHterms 400,000synonymssoyoudon’thavetoknowthepreferredtermtoobtainrelevantresults 33,000drugsandchemicals,linkedtoalmost25,000CASregistrynumbers 5,500+dedicatedtermsforgeneralandmedicaldevices(e.g.,endoscopes,catheters) 12,000+medicaldevicetradenamesfromover2,500manufacturers 66drugsubheadings,4medicaldevicesubheadings,14diseasesubheadingsand50checktagsforevidence-basedmedicine LetEmtreepoweryourliteraturesearch.Starttoday ComparisonofthevolumesofresultsfoundwithdrugsearchesinMEDLINE/PubMedandEmbase. HowdoEmtreeandMeSHdiffer? Goodquestion.Botharehierarchicalcontrolledvocabulariesforhealthsciencesandhaveasimilarfacetstructure.Infact,EmbasewasmodeledonMeSHin1988.BothalsolinktoCASregistryandEnzymeCommissionnumbers.Overtime,however,EmbasehasdifferentiateditselffromMeSH.WhileitstillincludesallMeSHterms,ithasbecomeamoreextensivethesaurusthatfacilitatesamoreintuitivewayofexploringtheliterature. Discoverthedetails Elsevier.comvisitorsurvey WearealwayslookingforwaystoimprovecustomerexperienceonElsevier.com. Wewouldliketoaskyouforamomentofyourtimetofillinashortquestionnaire,attheendofyourvisit. Ifyoudecidetoparticipate,anewbrowsertabwillopensoyoucancompletethesurveyafteryouhavecompletedyourvisittothiswebsite.Thanksinadvanceforyourtime. Accept Decline