nbii ecoinformatics technical working group
DESCRIPTION
NBII Ecoinformatics Technical Working Group. Gladys Cotter Mike Frame Ispra, Italy January 2006. Why are Data Standards Important?. Facilitate discovery of information Allow for information exchange Enhance information management. www. NBII. gov. My. NBII. gov. PORTAL. - PowerPoint PPT PresentationTRANSCRIPT
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NBII Ecoinformatics Technical
Working Group
Gladys Cotter
Mike Frame
Ispra, Italy
January 2006
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Why are Data Standards Important?
Facilitate discovery of information
Allow for information exchange
Enhance information management
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text
Describe and Discover
www.NBII.gov
PORTAL
My.NBII.gov
Content Management Integrated/Federated SearchCollaboration Services
Database and Web Services Model ServicesGeospatial Services
ITIS DIGR CatalogThesaurus Mapping Geoparsing CatalogGeo -
referencingDiscovery CatalogOperations
Dublin Core (plus)
UDDI / WSDL ??OGC/ISO FGDC/ISO
Distributed Applications , Databases , Websites , Tools and Models
Consume
Integrated View
DistributedServices
Resource and Service Catalogs
DistributedResources
Resource Catalog
Geospatial Services Catalog
Geospatial Dataset
Resource Clearinghouse
Database and Web Services
Catalog
Model ServicesCatalog
Services Overview
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CSA/NBII Biocomplexity Thesaurus
Provides us with a common language to describe the scope and content of all resources in NBII system
Using a common language to characterize these resources facilitates their retrieval by users
Created as an NBII partnership with Cambridge Scientific Abstracts (CSA)
Five (5) existing thesauri combined into one Biocomplexity Thesaurus
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Biocomplexity Thesaurus: Using a Controlled Vocabulary
http://thesaurus.nbii.gov
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Latest Thesaurus Developments
• Thesaurus Web service developed by ORNL; released to the public on thesaurus.nbii.gov in Spring 2005
• Thesaurus maintenance ongoing
•Evaluating ~750 terms suggested by nodes for inclusion in the Biocomplexity
•2005-2006 focus:
•Adding ~3000 terms for fire ecology and management to support FRAMES and nodes addressing fire issues
•Joint web-service with EPA/EU Ecoinformatics
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NBII & EIONET Joint Project
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Project Background Project “birthed” at the DC Ecoinformatics
meeting in May 2005 Goals
• Identify specific collaborative efforts beneficial to everyone
• Improve access to environmental information• Leverage expertise of participants • Begin to address the multi-lingual challenges• Develop a “working tool”
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Current Capabilities
http://thesaurus.nbii.gov/SearchNBIIThesaurus/
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Current Capabilities - NBII
http://thesaurus.nbii.gov/SearchNBIIThesaurus/
“endangered species”
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Current Capabilities - EIONET
http://thesaurus.nbii.gov/SearchNBIIThesaurus/
“endangered species”
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Challenges Thesaurus scope, intent, purpose, and
coverage is different • NBII = sub-discipline of environment
• Endangered species• Broader Terms:Species , Special status species ,
Taxa
• EIOINET = broad environment• Broader Terms:environmental protection
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Potential areas to pursue - thesaurus
Pulling results from both sources simultaneously
Addressing “scope” and level issues Deploying to a test audience Implementing within cataloging tools Implementing within querying tools
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Joint SPIRE Activities
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Joint SPIRE Activities
• Research project in the area of Invasive species
Water hyacinth clogging the Ortega River (Photo: Don Schmitz
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Additional Areas Web-services
• Registries• Deployment
Geospatial Standards (OGIS) SPIRE activities
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Questions, Comments,
Take A look at the site:
http://thesaurus.nbii.gov
Give us feedback on Search::
http://www.nbii.gov/search/search.html
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What is SKOS Simple Knowledge Organisation System (SKOS) Sponsored by the WC3 Specifications and standards to support the use of
thesauri, classification schemes, subject heading lists, taxonomies, terminologies, glossaries and other types of controlled vocabulary within the framework of the semantic web.
An application of RDF
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USGS Research Needs Semantic Searching and Analysis Distributed modeling
• Consuming data• Model reuse• Modeling standards for sharing
Mini/multi thesaurus applications
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USGS Research Needs – continued
Geospatial technologies• Gazetteer aided searching• Geo-parsing of data• Semantic models for species analysis• Adoption & intersection of registries
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NBII Search Activities
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NBII BioBot Features
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NBII BioBot Features •Simple single search box interface
•All relevant resources are returned (user doesn’t have to know what where the resource comes from or what type of resource it is)
• i.e. If the resource is housed at a university, federal agencies or if the resource contains to a mapping application, data set, teacher lesson plan, etc.
•Tabbed interface allows users to view “All” results by default, or select on specific resource types (i.e. Maps, Images, Journal articles, etc.)
• Scientifically creditable resources cataloged and identified by NBII partners using the Dublin Core standard are “weighted” higher than any crawled/harvested resource found on the internet.
•Controlled Subjects, species names, place names given highest weights; Title, Creator, Publisher, and Description also weighted
•NBII Biocomplexity Thesaurus operating in background to supplement user search terms with synonymous terms thereby not requiring the user to know all of the variations of a term.
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NBII Search: with & without
Example: “alien species”
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Google and NBII BioBot
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Google and NBII
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Summary•Google’s mission: Make the entire Web universe findable
•Google cannot interpret context of a user’s search
•What a document contains
•Google’s ranking algorithm is based upon inbound links; resources more often linked to are ranked higher
•NBII’s mission: Make the biological Web findable
•NBII interprets context with metadata (subject, taxonomic, geographic)
•What a document is about
•NBII’s ranking algorithm is based upon weightings of metadata fields, and weighting of “Reliable/High Quality/Trusted sources
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Questions, Comments,
Take A look at the site:
http://thesaurus.nbii.gov
Give us feedback on Search::
http://www.nbii.gov/search/search.html