Post on 10-Jul-2015
description
Describing Scientific Datasets: The HCLS Community Profile
Alasdair J G GrayA.J.G.Gray@hw.ac.uk
alasdairjggray.co.uk
@gray_alasdair
Michel DumontierStanford University
M. Scott MarshallMAASTRO Clinic
Data Cache (Triple Store)
Semantic Workflow Engine
Linked Data API (RDF/XML, TTL, JSON) Domain
Specific
Services
Identity
Resolution
Service
Identifier
Management
Service
“Adenosine
receptor 2a”
EC2.43.4
CS4532
P12374
Co
re P
latf
orm
ChEMBL-
RDF
ChEMBL
v13
Chem2
Bio2RDF
SD
v13v12
v2 or v8
Data Cache (Triple Store)
Semantic Workflow Engine
Linked Data API (RDF/XML, TTL, JSON) Domain
Specific
Services
Identity
Resolution
Service
Identifier
Management
Service
“Adenosine
receptor 2a”
EC2.43.4
CS4532
P12374
Co
re P
latf
orm
ChEMBL-
RDF
ChEMBL
v13
Chem2
Bio2RDF
SD
v13v12
v2 or v8
Open PHACTS
Discovery PlatformHistoric Use Case~January 2012
Open PHACTS v1.3ChEMBL 16
http://tiny.cc/ops-datasets
Challenges
Datasets available
In many versions over time
In different formats
From many mirrors/registries
Datasets build on each other
Files do not carry metadata
Registries
Can be out-of-date
Can contain conflicting information
25 September 2014 EUON - HCLS Dataset Description 5
Scientists require data provenance!
Dublin Core Metadata Initiative
Widely used
Broadly applicable
Documents
Datasets
✗Generic terms
✗Not comprehensive
✗No required properties
25 September 2014 EUON - HCLS Dataset Description 6
“Date: A point or period of
time associated with an
event in the lifecycle of
the resource.”
7EUON - HCLS Dataset Description
Metadata carried with data
Directly embedded: void:inDataset
✗No versioning
✗No checklist of requisite fields
✗Only for RDF data
VoID: Vocabulary of Interlinked Datasets
25 September 2014
DCAT: Data Catalog
Separates Dataset and Distribution
✗No versioning
✗No prescribed properties
25 September 2014 EUON - HCLS Dataset Description 8
W3C HCLS Group
25 September 2014 EUON - HCLS Dataset Description 9
HCLS Dataset Descriptions
25 September 2014 EUON - HCLS Dataset Description 10
VoID Editor
25 September 2014 EUON - HCLS Dataset Description 12
Validator
25 September 2014 EUON - HCLS Dataset Description 13
New version using ShEx in development
Future Vision
Provide rich and accurate provenance
trail of data
Write once, use many times
Automatic pipeline from description file to registries
FAIR Data
25 September 2014 EUON - HCLS Dataset Description 14
Thank you
Editors’ Draft:
http://tiny.cc/hcls-datadesc-ed
W3C Interest Group Note:
http://tiny.cc/hcls-datadesc
Acknowledgements to W3C HCLS Group
www.alasdairjggray.co.uk
A.J.G.Gray@hw.ac.uk
@gray_alasdair
25 September 2014 EUON - HCLS Dataset Description 15