IST2103 STP Artemis: A Semantic Web Servicebased P2P Infrastructure for the Interoperability of Medi - PowerPoint PPT Presentation

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IST2103 STP Artemis: A Semantic Web Servicebased P2P Infrastructure for the Interoperability of Medi

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Title: IST2103 STP Artemis: A Semantic Web Servicebased P2P Infrastructure for the Interoperability of Medi


1
IST-2103 STP Artemis A Semantic Web
Service-based P2P Infrastructure for the
Interoperability of Medical Information systems
  • Asuman Dogac
  • Software RD Center
  • Middle East Technical University
  • Ankara, Turkey

2
Challenges - why we do this project?
  • According to Jonathan Borden, M.D. of ASTM
  • A disaster 1.1 Trillion /year in the USA
  • 30-40 overhead
  • Mostly paper based
  • Highly proprietary commercial systems
  • Tens of thousands of people die each year due to
    poor information/errors
  • Most of the information is rendered useless

3
Challenges - why we do this project?
  • The systems must interoperate for effectiveness
  • For interoperability standards are needed
  • However there are more than one standard in the
    health care domain HL7, CEN TC 251, GEHR,

4
Challenges - why we do this project?
  • Most of the health information systems today are
    proprietary
  • They often only serve one specific department
    within a healthcare institute
  • To complicate the matters worse, a patient's
    health information may be spread out over a
    number of different institutes which do not
    interoperate
  • This makes it very difficult for clinicians to
    capture a complete clinical history of a patient

5
Objectives Interoperability through
Semantically Enriched Web services in the
Healthcare Domain
  • Achieving interoperability among Medical
    Informations systems through
  • Web service technology, and
  • Semantic Web
  • Furthermore to increase the discovery feature for
    Web services, Web services will be integrated
    with the Peer-to-peer networks

6
We will give semantics to WebServices through
exiting healthcare standards
HealthCareServices
PatientAdministration
PatientCare
PatientReferral
Scheduling
ObservationReporting
PatientInfoRequest
CancelPatientReferral
PatientReferralRequest
InsuranceInformation
ClinicalInformation
DemographicData
GetClinicalInformation
Web Service Functionality Ontology
serviceQuality
location
7
We will give semantics to WebServices through
exiting healthcare standards
Web Service Message Ontology
8
We will use Semantic Mediationin Mapping Web
service Ontologies
9
We will locate Semantically Enriched Web
services through P2P
Healthcare Institute (peer)
10
Web Services in the Healthcare Domain
  • Web services provides the healthcare industry
    with an ideal platform to achieve the difficult
    interoperability problems
  • Web services are designed to wrap and expose
    existing resources and provide interoperability
    among diverse applications
  • By introducing Web services to the healthcare
    domain, it becomes possible to provide the
    interoperability of medical information systems
    through standardizing the access to data through
    WSDL and SOAP rather than standardizing
    documentation of electronic health records

11
Impact of Web services in theHealthcare Domain
  • Introducing Web services to the healthcare domain
    brings many advantages
  • It becomes possible to provide the
    interoperability of medical information systems
    through standardizing the access to data through
    WSDL and SOAP rather than standardizing
    documentation of electronic health records
  • Medical information systems suffer from
    proliferation of standards to represent the same
    data
  • Web services allow for seamless integration of
    disparate applications representing different
    and, at times, competing standards
  • Web services will extend the healthcare
    enterprises by making their own services
    available to others
  • Web services will extend the life of the existing
    software by exposing previously proprietary
    functions as Web services

12
Impact of Semantics in theHealthcare Domain
  • By exploiting semantically enriched Web services,
    it becomes possible
  • To provide the interoperability of Healthcare
    standards at the semantic level
  • Discovery, monitoring and composition of Web
    services are facilitated

13
Impact of Semantics and P2Pnetworks in the
Healthcare Domain
  • Facilitates discovery and sharing of resources
  • Provides for scalability

14
End result of the ArtemisProject
  • A middleware providing the interoperability of
    Medical Information Systems
  • The project intends to produce
  • Tools for facilitating the creation of Web
    services from existing applications, databases
    and Web pages
  • Message and functionality ontologies for
    healthcare Web services
  • Tools for semantically annotating healthcare Web
    services
  • Web service composition tool based on BPEL4WS
  • Web service registries (UDDI and ebXML) enriched
    with healthcare semantics
  • Integrating Web services and Web services
    registries with P2P networks
  • Semantic routing on the P2P networks for
    discovery of healthcare related information

15
Market
  • Artemis project will be one of the first
    initiatives to use Web services in the healthcare
    domain
  • We plan to produce an early prototype to
    demonstrate system capabilities to the widest
    possible audience
  • The market size will depend upon the system
    capabilities and how wide we can disseminate the
    results

16
Technological Limits
  • Web services No limit Already a
    well-established technology supported by major
    software vendors (Microsofts .NET, IBM
    WebSphere, BEAs WebLogic)
  • Semantic Web Limiting factor The healthcare
    ontologies are not there yet
  • What is available
  • Message exchange specifications, e.g., HL7
  • Controlled vocabularies, e.g., ICD-10
    (International Statistical Classification of
    Diseases and Related Health Problems)
  • Taxonomies, e.g., SNOMED-CT

17
Risks
  • Security We must make sure to provide the
    necessary security measures with healthcare Web
    services
  • User friendliness We must develop easy-to-use
    interfaces
  • Performance We must make sure that the
    performance of the system is acceptable to the
    industry

18
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