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Elsevier’s Healthcare Knowledge Graph


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The case for enterprise linked data standards.

Published in: Technology
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Elsevier’s Healthcare Knowledge Graph

  1. 1. Elsevier’s Healthcare Knowledge Graph Alex DeJong, Radmila Bord, Will Dowling, Rinke Hoekstra, Ryan Moquin, Charlie O, Mevan Samarasinghe, Paul Snyder, Craig Stanley, Anna Tordai, Michael Trefry, and Paul Groth. @pgroth | @elsevierlabs October 10, 2018 The Case for Enterprise Linked Data Standards
  2. 2. “A global information analytics business” 2
  3. 3. Knowledge Graphs at Elsevier 3
  4. 4. A Health Care Knowledge Graph 4 What types of questions do clinicians ask? Spans Entity Types - Drugs - Diagnosis - Symptoms - Phenotypes - Diseases - …
  5. 5. H-Graph: The Elsevier Health Knowledge Graph 400K+ medical concepts with relations and extensive mappings to industry vocabularies and multi-language support 4.9M+ semantic relations extracted from medical literature using NLP and convolutional neural networks Deep and expressive graph model extends relations with qualitative and quantitative context Graph-based knowledge representations power advanced clinical decision support applications
  6. 6. Deeper Data Lies in Products
  7. 7. Deeper Data Lies in Products But how do we get at it with minimal impact to current workflows?
  8. 8. Use Linked Data to Integrate 8
  9. 9. Linked Data Principles are under specified • What syntax do you provide and as a consumer can you expect? • What names spaces do you use? • How do you link to single sign-on? • What links should you set? 9
  10. 10. Elsevier Linked Data Standards 10
  11. 11. Elsevier Linked Data Standards 11
  12. 12. Elsevier Linked Data Standards 12
  13. 13. Videos and Documents Patient Education Drug Database Gold Standard Care Plans Order Sets Clinical Trial Data MACRO Radiology Images StatDX Pathology Images ExpertPath Books and Journals ScienceDirect ICD-10 RxNorm LOINC SNOMED MeSH H-Graph Core Graph Database External Vocabularies H-Graph Core Clinical Guidelines LD API LD API LDAPI LDAPI LDAPI LD API LD API LDAPI LD API LD API LD API Patient Journey Patient Intake Suspected Diagnosis Diagnostic Test Confirmed Diagnosis Treatment Plan Treatment Delivery Discharge & Ongoing Care Elsevier Patient Journey Products and ACDS Differential Diagnosis Alerts Image Analysis Pathways Order Sets Care Plans Patient Engagement Skills & eLearning Clinical Overviews ClinicalKey Reference Gold Standard H-Graph: The Elsevier Health Knowledge Graph H-Graph Core connects Elsevier products, data, and healthcare content to power ACDS Pre-Visit Symptom Checkers (e.g., Arezzo) Patient-Centered Apps (e.g., chronic disease management for diabetes)
  14. 14. Result: a unified but distributed knowledge graph 14
  15. 15. Lesson: Namespace control is key 15
  16. 16. Lesson: Developer UX 16
  17. 17. Thank you Paul Groth | @pgroth @elsevierlabs