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Integrating biomedical informationthrough Semantic Web technologies

Olivier BodenreiderOlivier Bodenreider

Lister Hill National CenterLister Hill National Centerfor Biomedical Communicationsfor Biomedical CommunicationsBethesda, Maryland Bethesda, Maryland -- USAUSA

EBI Industry EBI Industry ProgrammeProgrammeEuropean Bioinformatics Institute, European Bioinformatics Institute, HinxtonHinxton, UK, UK

September 14, 2007September 14, 2007

2Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

OutlineOutline

Information integration in biomedicineInformation integration in biomedicineMotivationMotivationSome issues: naming, normalization, mappingSome issues: naming, normalization, mappingSemantic Web perspectiveSemantic Web perspective

ExamplesExamplesHCLS demoHCLS demoFrom From glycosyltransferaseglycosyltransferase to to congenital muscular congenital muscular dystrophydystrophy

Role of Role of ontologiesontologies

Motivation for integratingMotivation for integratingbiomedical resourcesbiomedical resources

4Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

MotivationMotivation

Bridge across silosBridge across silosE.g., translational researchE.g., translational research

Data repositories to supportData repositories to supportHypothesis generationHypothesis generationKnowledge discoveryKnowledge discovery

Clinical dataClinical dataAggregation, sharing, exchangeAggregation, sharing, exchangeSupport for clinical decisionSupport for clinical decision

5Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

MotivationMotivation

Complex queries often require multiple Complex queries often require multiple information sourcesinformation sources

Knowledge basesKnowledge basesOntologiesOntologiesBiomedical literatureBiomedical literature

Many information sources availableMany information sources availableHeterogeneousHeterogeneousIn different formatsIn different formats

Interlinking is not integratingInterlinking is not integratingInformation retrieval and navigation (e.g., Information retrieval and navigation (e.g., EntrezEntrez))

6Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Interlinking vs. Integrating Interlinking vs. Integrating EntrezEntrez

Issues in integratingIssues in integratingbiomedical informationbiomedical information

Naming, normalization, mappingNaming, normalization, mapping

8Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

NamingNaming

Many biomedical entities have several names Many biomedical entities have several names (synonymy)(synonymy)

Drug namesDrug namesGene namesGene namesDisease namesDisease names……

A given name may refer to several different A given name may refer to several different entities (polysemy)entities (polysemy)

Nail (body part)Nail (body part)Nail (medical device)Nail (medical device)

9Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Brand names for Brand names for paracetamolparacetamol (acetaminophen)(acetaminophen)http://en.wikipedia.org/wiki/List_of_paracetamol_brand_names

10Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Names for Names for dystrophindystrophin

http://www.ncbi.nlm.nih.gov/sites/entrez

11Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Names for Names for renal cell carcinomarenal cell carcinoma

http://www.clininfo.co.uk/clue5/clue.htm

12Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Entity recognitionEntity recognition

Identifying biomedical entities in textIdentifying biomedical entities in textNames entity recognitionNames entity recognitionTagging Tagging ““mentionsmentions””Semantic annotationSemantic annotation

Supported by terminologySupported by terminologyCollects the names used in the domainCollects the names used in the domainOften incompletelyOften incompletely

Example: Example: BioCreativeBioCreative1A 1A –– Gene name identificationGene name identification2GM 2GM –– Gene mention taggingGene mention tagging

13Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

NormalizationNormalization

Biomedical entities are identified by unique Biomedical entities are identified by unique identifiers in various terminology systemsidentifiers in various terminology systemsResolve names into identifiers (in a given Resolve names into identifiers (in a given namespace)namespace)Supported (in part) by terminology resourcesSupported (in part) by terminology resourcesExample: Example: BioCreAtIvEBioCreAtIvE

1B and 2GN 1B and 2GN –– Gene NormalizationGene Normalization

14Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Identifier for Identifier for paracetamolparacetamol (acetaminophen)(acetaminophen)

Master Drug Data Base. Medi-Span 5005 Acetaminophen

FDA National Drug Code Directory 50612 PARACETAMOL

FDA Structured Product Labels 362O9ITL9D ACETAMINOPHEN

First DataBank NDDF Plus 001605 Acetaminophen

SNOMED Clinical Terms 90332006 Acetaminophen (product)

SNOMED Clinical Terms 387517004 Acetaminophen (substance)

VA National Drug File 4017513 ACETAMINOPHEN

Source: RxNorm database (5/3/2007)

15Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Identifier Identifier for for dystrophindystrophin

http://www.ncbi.nlm.nih.gov/sites/entrez

16Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Identifier Identifier for for renal cell carcinomarenal cell carcinoma

http://www.clininfo.co.uk/clue5/clue.htm

17Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Mapping / IntegrationMapping / Integration

Identify equivalent entities across systemsIdentify equivalent entities across systems(across namespaces)(across namespaces)

Shared identifiersShared identifiersExisting mappings (e.g., SNOMED CT to ICDExisting mappings (e.g., SNOMED CT to ICD--99--CM)CM)Ontology alignment techniques (lexical + structural)Ontology alignment techniques (lexical + structural)

Align equivalent entitiesAlign equivalent entitiesPairwise: mappingPairwise: mappingMore broadly: integrationMore broadly: integration

Forms the basis for information integration in the Forms the basis for information integration in the Semantic Web (Semantic Web (mashupsmashups))

18Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Identifier for Identifier for paracetamolparacetamol (acetaminophen)(acetaminophen)

Master Drug Data Base. Medi-Span 5005 Acetaminophen

FDA National Drug Code Directory 50612 PARACETAMOL

FDA Structured Product Labels 362O9ITL9D ACETAMINOPHEN

First DataBank NDDF Plus 001605 Acetaminophen

SNOMED Clinical Terms 90332006 Acetaminophen (product)

SNOMED Clinical Terms 387517004 Acetaminophen (substance)

VA National Drug File 4017513 ACETAMINOPHEN

RxNorm 161 Acetaminophen

19Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Identifier Identifier for for dystrophindystrophin

http://www.ncbi.nlm.nih.gov/sites/entrez

20Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Identifier Identifier for for renal cell carcinomarenal cell carcinoma

http://www.clininfo.co.uk/clue5/clue.htm

645875019379798014379801015379800019379797016379803017379802010

Information integrationInformation integrationin biomedicinein biomedicine

Semantic Web perspectiveSemantic Web perspective

22Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Semantic WebSemantic Web

Data vs. documentsData vs. documentsSharing and reuse of dataSharing and reuse of dataData integrationData integration

23Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

W3C Health Care and Life Sciences IGW3C Health Care and Life Sciences IG

http://www.w3.org/2001/sw/hcls/http://www.w3.org/2001/sw/hcls/

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HCLS task forcesHCLS task forces

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HCLS HCLS mashupmashup of biomedical sourcesof biomedical sources

NeuronDB

BAMS

NC Annotations

Homologene

SWAN

Entrez Gene

Gene Ontology

Mammalian Phenotype

PDSPki

BrainPharm

AlzGene

Antibodies

PubChem

MeSH

Reactome

Allen Brain Atlas

Publications

http://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demohttp://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demo

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Shared identifiers Shared identifiers ExampleExample

GO

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HCLS HCLS mashupmashup NeuronDB

Protein (channels/receptors)NeurotransmittersNeuroanatomyCellCompartmentsCurrents

BAMSProteinNeuroanatomyCellsMetabolites (channels)PubMedID

NC Annotations

Genes/ProteinsProcessesCells (maybe)PubMed ID

Allen Brain Atlas

GenesBrain imagesGross anatomy -> neuroanatomy

Homologene

GenesSpeciesOrthologiesProofs

SWAN

PubMedIDHypothesisQuestionsEvidence

Genes

Entrez GeneGenesProtein

GOPubMedID

Interaction (g/p)Chromosome

C. location

GO

Molecular functionCell components

Biological processAnnotation gene

PubMedID

Mammalian Phenotype

Genes Phenotypes

DiseasePubMedID

ProteinsChemicals

Neurotransmitters

PDSPki

BrainPharmDrug

Drug effectPathological agent

PhenotypeReceptorsChannelsCell typesPubMedIDDisease

AlzGene

Gene Polymorphism

PopulationAlz Diagnosis

AntibodiesGenes Antibodies

PubChem

NameStructurePropertiesMeSH term

MeSHDrugsAnatomyPhenotypesCompoundsChemicalsPubMedIDPubChem

Reactome

Genes/proteinsInteractionsCellular locationProcesses (GO)

28Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

HCLS HCLS mashupmashup NeuronDB

Protein (channels/receptors)NeurotransmittersNeuroanatomyCellCompartmentsCurrents

BAMSProteinNeuroanatomyCellsMetabolites (channels)PubMedID

NC Annotations

Genes/ProteinsProcessesCells (maybe)PubMed ID

Allen Brain Atlas

GenesBrain imagesGross anatomy -> neuroanatomy

Homologene

GenesSpeciesOrthologiesProofs

SWAN

PubMedIDHypothesisQuestionsEvidence

Genes

Entrez GeneGenesProtein

GOPubMedID

Interaction (g/p)Chromosome

C. location

GO

Molecular functionCell components

Biological processAnnotation gene

PubMedID

Mammalian Phenotype

GenesPhenotypes

DiseasePubMedID

ProteinsChemicals

Neurotransmitters

PDSPki

BrainPharmDrug

Drug effectPathological agent

PhenotypeReceptorsChannelsCell typesPubMedIDDisease

AlzGene

GenePolymorphism

PopulationAlz Diagnosis

AntibodiesGenesAntibodies

PubChem

NameStructurePropertiesMeSH term

MeSHDrugsAnatomyPhenotypesCompoundsChemicalsPubMedIDPubChem

Reactome

Genes/proteinsInteractionsCellular locationProcesses (GO)

Example 1Example 1HCLS demoHCLS demo

30Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

HCLS demoHCLS demo

Proof of concept for information integrationProof of concept for information integrationObjective: Objective: ““to demonstrate the value of semantic web to demonstrate the value of semantic web technology to health care and the life sciences by technology to health care and the life sciences by highlighting the benefits of using semantic web highlighting the benefits of using semantic web technologytechnology””

Created in the spring of 2007Created in the spring of 2007Presented at WWW2007 in Banff, CanadaPresented at WWW2007 in Banff, Canada

31Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

HCLS HCLS mashupmashup NeuronDB

Protein (channels/receptors)NeurotransmittersNeuroanatomyCellCompartmentsCurrents

BAMSProteinNeuroanatomyCellsMetabolites (channels)PubMedID

NC Annotations

Genes/ProteinsProcessesCells (maybe)PubMed ID

Allen Brain Atlas

GenesBrain imagesGross anatomy -> neuroanatomy

Homologene

GenesSpeciesOrthologiesProofs

SWAN

PubMedIDHypothesisQuestionsEvidence

Genes

Entrez GeneGenesProtein

GOPubMedID

Interaction (g/p)Chromosome

C. location

GO

Molecular functionCell components

Biological processAnnotation gene

PubMedID

Mammalian Phenotype

GenesPhenotypes

DiseasePubMedID

ProteinsChemicals

Neurotransmitters

PDSPki

BrainPharmDrug

Drug effectPathological agent

PhenotypeReceptorsChannelsCell typesPubMedIDDisease

AlzGene

GenePolymorphism

PopulationAlz Diagnosis

AntibodiesGenesAntibodies

PubChem

NameStructurePropertiesMeSH term

MeSHDrugsAnatomyPhenotypesCompoundsChemicalsPubMedIDPubChem

Reactome

Genes/proteinsInteractionsCellular locationProcesses (GO)

32Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

HCLS demo HCLS demo QuestionQuestion

http://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demohttp://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demo

33Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Allen Brain Atlas

GenesBrain imagesGross anatomy -> neuroanatomy

NeuronDB

Protein (channels/receptors)NeurotransmittersNeuroanatomyCellCompartmentsCurrents

BAMSProteinNeuroanatomyCellsMetabolites (channels)PubMedID

NC Annotations

Genes/ProteinsProcessesCells (maybe)PubMed ID

Homologene

GenesSpeciesOrthologiesProofs

SWAN

PubMedIDHypothesisQuestionsEvidence

Genes

Mammalian Phenotype

GenesPhenotypes

DiseasePubMedID

ProteinsChemicals

Neurotransmitters

PDSPki

BrainPharmDrug

Drug effectPathological agent

PhenotypeReceptorsChannelsCell typesPubMedIDDisease

AlzGene

GenePolymorphism

PopulationAlz Diagnosis

AntibodiesGenesAntibodies

PubChem

NameStructurePropertiesMeSH term

Reactome

Genes/proteinsInteractionsCellular locationProcesses (GO)

Entrez GeneGenesProtein

GOPubMedID

Interaction (g/p)Chromosome

C. location

GO

Molecular functionCell components

Biological processAnnotation gene

PubMedID

HCLS demo HCLS demo SourcesSources

MeSHDrugsAnatomyPhenotypesCompoundsChemicalsPubMedIDPubChem

34Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

HCLS demo HCLS demo QueryQuery

http://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demohttp://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demo

35Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

HCLS demo HCLS demo ResultsResults

http://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demohttp://esw.w3.org/topic/HCLS/HCLSIG_DemoHomePage_HCLSIG_Demo

Example 2Example 2From From glycosyltransferaseglycosyltransferase

to to congenital muscular dystrophycongenital muscular dystrophy

[Sahoo S, Zeng K, Bodenreider O, Sheth AP., Medinfo 2007:1260-1264]

37Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

ScenarioScenario

A researcher is interested in A researcher is interested in glycosylationglycosylation and its and its implications for one disorder: congenital muscular implications for one disorder: congenital muscular dystrophy.dystrophy.

(source: Dr. Renuka Kadirvelraj, U. Georgia)

http://glycam.ccrc.uga.edu/

38Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Biological hypothesisBiological hypothesis

Link between Link between glycosyltransferaseglycosyltransferase activity and activity and congenital muscular dystrophy?congenital muscular dystrophy?

39Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Information source Information source EntrezEntrez GeneGene

gene

GO

PubMed

Gene name

OMIM

Sequence

InteractionsGlycosyltransferase

Congenital muscular dystrophyLink between Link between glycosyltransferaseglycosyltransferase activity and activity and

congenital muscular dystrophy?congenital muscular dystrophy?

40Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

EntrezEntrez Gene query (1)Gene query (1)

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?DB=genehttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?DB=gene

41Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

EntrezEntrez Gene query (2)Gene query (2)

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?DB=genehttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?DB=gene

42Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Gene Ontology

Integration Integration EntrezEntrez Gene + GOGene + GO

gene

GO

PubMed

Gene name

OMIM

Sequence

InteractionsGlycosyltransferase

Congenital muscular dystrophy

Entrez Gene

43Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

GeneID: 9215 LARGEeg:has_symbol

subject predicate object

RDF triple RDF triple Gene propertyGene property

GeneID: 9215eg:has_molecular_function

GO:0008375

GeneID: 9215eg:has_associated_phenotype

MIM: 608840

acetylglucosaminyltransferase activity

Muscular dystrophy, congenital, type 1D

44Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Congenital muscular dystrophy,type 1D

LARGE(GeneID: 9215)

has_associated_disease

45Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

has_molecular_function

acetylglucosaminyltransferaseactivity

LARGE(GeneID: 9215)

46Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Converting EG to RDFConverting EG to RDF

XML(file)XML(file)

RDF(Oracle)

RDF(Oracle)

JenaRDF(file)RDF(file)

JAXP

XSLTStylesheet

XSLTStylesheet

2M genes2M genes 9.5M triples 9.5M triples (keep all (keep all ““livelive”” genes, genes,

exclude evidence code exclude evidence code ““IEAIEA””))

47Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Acquiring the GOAcquiring the GO

http://geneontology.org/GO.downloads.ontology.shtmlhttp://geneontology.org/GO.downloads.ontology.shtml

48Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Rule baseRule base

RelationRelation is_a part_of

is_ais_a IF <x is_a y> & <y is_a z> THEN <x is_a z>

IF <x is_a y> & <y part_of z> THEN <x part_of z>

part_of IF <x part_of y> & <y is_a z> THEN <x part_of z>

IF <x part_of y> & <y part_of z> THEN <x part_of z>

49Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Using SPARQL to test a hypothesisUsing SPARQL to test a hypothesis

GO ID GO ID

Gene ID

is_a

has molecular function

OMIM ID OMIM namehas textual description

has assoc. phenotype

Find all the genes annotated with the GO molecular function glycosyltransferase or any of its descendants and associated with any

form of congenital muscular dystrophy

Find all the genes annotated with the GO molecular function Find all the genes annotated with the GO molecular function glycosyltransferaseglycosyltransferase or any of its descendants and associated with any or any of its descendants and associated with any

form of form of congenital muscular dystrophycongenital muscular dystrophy

50Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Results Results Instantiated graphInstantiated graph

GO:0008375 GO:0016757

EG:9215

is_a

has molecular function

MIM:608840 Muscular dystrophy,congenital, type 1D

has textual description

has assoc. phenotype

glycosyltransferase

LARGE

acetylglucosaminyl-transferase

51Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

From From glycosyltransferaseglycosyltransferaseto to congenital muscular dystrophycongenital muscular dystrophy

MIM:608840 Muscular dystrophy, congenital, type 1D

GO:0008375

has_associated_phenotype

has_molecular_function

EG:9215LARGE

acetylglucosaminyl-transferase

GO:0016757glycosyltransferase

GO:0008194isa

GO:0008375 acetylglucosaminyl-transferase

GO:0016758

Role of Role of ontologiesontologiesin information integrationin information integration

53Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

OntologiesOntologies and Semantic Weband Semantic Web

Bio-ontologiesThe cream in the Semantic Web layer cake

NETTAB 2007 - A Semantic Web for Bioinformatics

Olivier BodenreiderOlivier Bodenreider

Lister Hill National CenterLister Hill National Centerfor Biomedical Communicationsfor Biomedical CommunicationsBethesda, Maryland Bethesda, Maryland -- USAUSA

University of Pisa, ItalyJune 14, 2007

6Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Semantic Web layer cakeSemantic Web layer cake

54Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

OntologiesOntologies and integrationand integration

Terminologies/Terminologies/OntologiesOntologies provideprovideLists of entitiesLists of entitiesNames for entitiesNames for entitiesIdentifiers for entitiesIdentifiers for entities

AdditionallyAdditionallyInformation model for integrationInformation model for integrationTransTrans--namespace resolutionnamespace resolutionSupport for inferenceSupport for inference

55Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Othersubdomains

OtherOthersubdomainssubdomains

……

Unified Medical Language SystemUnified Medical Language System

Genomeannotations

GenomeGenomeannotationsannotations

GOGOModelorganisms

ModelModelorganismsorganisms

NCBINCBITaxonomyTaxonomy

AnatomyAnatomyAnatomy

FMAFMA

Clinicalrepositories

ClinicalClinicalrepositoriesrepositories

Neurofibromatosis, type 2Neurofibromatosis, type 2(92503002)(92503002)

Geneticknowledge bases

GeneticGeneticknowledge basesknowledge bases

OMIMOMIM

UMLSUMLS Biomedicalliterature

BiomedicalBiomedicalliteratureliterature

MeSHMeSH

SNOMED CTSNOMED CT

UMLSUMLS

Neurofibromatosis 2Neurofibromatosis 2(D016518)(D016518)

C0027832C0027832

NEUROFIBROMATOSIS, TYPE IINEUROFIBROMATOSIS, TYPE II(101000)(101000)

56Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Open Biological Ontologies (OBO)Open Biological Ontologies (OBO)

Extended family of the Gene Ontology (GO)Extended family of the Gene Ontology (GO)

Collaborative developmentCollaborative developmenthttp://obo.sourceforge.net/http://obo.sourceforge.net/

National Center for Biomedical OntologyNational Center for Biomedical Ontologyhttp://bioontology.org/http://bioontology.org/

OBO FoundryOBO Foundryhttp://obofoundry.org/http://obofoundry.org/Promote best practices in ontology development Promote best practices in ontology development 10 inclusion criteria10 inclusion criteria

http://obo.sourceforge.net/
http://bioontology.org/
http://obofoundry.org/

57Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Some Some unresolved issuesunresolved issues

FormatFormatRDF/S, OWL, SKOS vs. OBO, RRF, etc.RDF/S, OWL, SKOS vs. OBO, RRF, etc.ConvertersConverters

Permanent identification of biomedical entitiesPermanent identification of biomedical entitiesSyntax: URI vs. LSIDSyntax: URI vs. LSIDSemantic: TransSemantic: Trans--namespace identificationnamespace identification

Availability, opennessAvailability, opennessGovernance, trustGovernance, trust

58Lister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical CommunicationsLister Hill National Center for Biomedical Communications

Future directionsFuture directions

Information integrationInformation integrationKnowledge extracted from textKnowledge extracted from textKnowledge in structured knowledge basesKnowledge in structured knowledge bases

OntologiesOntologies for relationsfor relationsIn complement to In complement to ontologiesontologies for entitiesfor entitiesTo support reasoningTo support reasoning

MedicalOntologyResearch

Olivier BodenreiderOlivier Bodenreider

Lister Hill National CenterLister Hill National Centerfor Biomedical Communicationsfor Biomedical CommunicationsBethesda, Maryland Bethesda, Maryland -- USAUSA

Contact:Contact:Web:Web:

olivier@nlm.nih.govolivier@nlm.nih.govmor.nlm.nih.govmor.nlm.nih.gov

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