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EIE and ESGEIE and ESG
Presented by Presented by Wenwen Li Wenwen Li andand Danqing Xiao Danqing Xiao
Wenwen Li, Danqing Xiao, Rob Raskin, Wenwen Li, Danqing Xiao, Rob Raskin, Rahul xxx, Phil Yang, Marge Cole, Myra Rahul xxx, Phil Yang, Marge Cole, Myra
BambacusBambacus
GMU, NASA, ESIPGMU, NASA, ESIP
April-21th-2007April-21th-2007AAG 2007AAG 2007
--------Spatial Web Portals for Supporting Sharing of Earth Spatial Web Portals for Supporting Sharing of Earth Science InformationScience Information
Table of ContentTable of Content
IntroductionIntroduction ObjectivesObjectives ArchitectureArchitecture Key TechnologiesKey Technologies PrototypePrototype OngoingOngoing Conclusion and DiscussionConclusion and Discussion
Introduction (1)Introduction (1) Problems in Earth Science Data Sharing and Problems in Earth Science Data Sharing and
AccessingAccessing Large amount of dataLarge amount of data Poorly catalogedPoorly cataloged Widely dispersedWidely dispersed Difficult to accessDifficult to access
Motivation:Motivation: Users’ perspective:Users’ perspective:
-Fast access and acquisition of Earth Science -Fast access and acquisition of Earth Science DataData Professionals’ perspective:Professionals’ perspective:
-Data integration and sharing-Data integration and sharing -Efficient spatial data management-Efficient spatial data management
Decision Makers’ perspective:Decision Makers’ perspective:-Models and accurate Predictions for future -Models and accurate Predictions for future
decision decision making.making.
Introduction (2)Introduction (2) EIE: Earth Information EIE: Earth Information
ExchangeExchange Developed from the joint effort of Developed from the joint effort of
NASA,ESIP,GMUNASA,ESIP,GMU Present data, Products and ServicesPresent data, Products and Services Integral and timely exchange of earth Integral and timely exchange of earth
science informationscience information Support 12 national applications:Support 12 national applications:
AAir Quality, Public Health, Carbon Managementir Quality, Public Health, Carbon ManagementWater Management, Ecological Forecasting, Water Management, Ecological Forecasting, Disaster Management, Agriculture, Aviation Safety, Disaster Management, Agriculture, Aviation Safety,
Homeland Security, Invasive SpeciesHomeland Security, Invasive Species
ObjectivesObjectives
InteroperableInteroperable and and IntegrativeIntegrative Earth Science data management Earth Science data management PlatformPlatform
InteroperableInteroperable Plug and Play (OGC)Plug and Play (OGC) Reduce development costReduce development cost Reduce development duplication Reduce development duplication
(avoid one-in-a-kind)(avoid one-in-a-kind) IntegrativeIntegrative
Integrate Current Resources from Integrate Current Resources from NASA ESG, ESIP EIE, GMU ComputingNASA ESG, ESIP EIE, GMU Computing
Current ResourcesCurrent Resources
Earth-Science Gateway (ESG)Earth-Science Gateway (ESG) Interoperability: metadata, data, Interoperability: metadata, data,
mapping, portlet level mapping, portlet level Spatial Information Retrieval Model Spatial Information Retrieval Model
Supporting Semantic SearchSupporting Semantic Search NOESIS by Univ. of Alabama at NOESIS by Univ. of Alabama at
HuntsvilleHuntsville Computing PlatformComputing Platform
GMU’s grid systemGMU’s grid system
InfrastructureInfrastructureEarth Science Communities through Graphical User Interfaces (GUI)
Earth Information Exchange· Web Portal Services· Local Portlets · Web Service for Remote
Portlets
Grid Services (based on Cyberinfastructure,
such as GMU Grid)
Earth Science Gateway· Portrayal Services· Reprojection· BPEL workflow · …...
Support invoke
Visualization and Interaction
Education (K- 20)National
Applications…..
Earth Science Focused Research
Existing Services (Catalog, Data, Air Quality, Public Health, Semantic, etc.)
Interoperable Interfaces (such as CS-W, WMS, WCS, etc.)
Lo
ng P
roce
ss
Te
ste
d
Acc
ess
Po
ssib
le
Acc
ess
Key Technologies (1)Key Technologies (1)
Portal and PortletPortal and Portlet JSR168JSR168
Standards for communication between portal Standards for communication between portal and portlet containersand portlet containers
CSW, Z39.50CSW, Z39.50 client serverclient server protocolprotocol for searching and retrieving for searching and retrieving
information from remote information from remote computercomputer databases. databases. LiferayLiferay
Spatial Web ServicesSpatial Web Services OGC WMS,WFS,WCS …OGC WMS,WFS,WCS …
Portal ContainerPortal Container Liferay, JBOSS portal, Apache JetSpeed portal….Liferay, JBOSS portal, Apache JetSpeed portal….
Key Technologies (2)Key Technologies (2) Ontology and Semantic SearchOntology and Semantic Search
Extended SWEET OntologyExtended SWEET Ontology
SWEET: Thing
Nuclei … Phenomena
Earth Science Phenomena
Atmospheric Phenomena
Air quality
Ecological Phenomena
Fire
Solid earth phenomena
Volcanic activity
Weather Phenomena ③ Inversion cause air pollution
① Fires will cause dramatic
change of local air quality ② Volcanic eruptions influence
at local/global scale
① ②
③
Ontology-Ontology-based based
Semantic Semantic Search ToolsSearch Tools
Request Handler
Smart Search Broker
Ontology Inference Service
Inference Engine
SWEET Ontology
Keyword
Natural language-based Q&A
Web Pages, Documents (Meta Search: Google, Yahoo! ..)
Spatial Web Service (Spatial Web Servers)
Map Data (GCMD, ECHO)
Earth Science Ontology
(12 Topics)
• -Inference Service(1) SOAP-based web service
-Pellet:(1) Tableaux Algorithm(2) T-box, A-box reasoning
Prototype (1)Prototype (1)
EIE Structure (Air Quality)
Prototype (2)- Air QualityPrototype (2)- Air Quality
Prototype (3)-Map ClientPrototype (3)-Map Client
Ongoing –Semantic Ongoing –Semantic SearchSearch
Conclusion and Conclusion and DiscussionDiscussion
Importance of EIEImportance of EIE Provide efficient and integral accessProvide efficient and integral access Expendable and flexible ArchitectureExpendable and flexible Architecture The utilization of search toolsThe utilization of search tools
Future directionsFuture directions Portlet development of semantic searchPortlet development of semantic search Provide operational version of EIE to Provide operational version of EIE to
both general public and professionals.both general public and professionals.
Thanks and Questions.Thanks and Questions.
AcknowledgmentsAcknowledgments
We appreciate the assistance of We appreciate the assistance of Dean Younger, Dave Omeney from Dean Younger, Dave Omeney from Compusult ltd, Canada; Rahul, Sunil Compusult ltd, Canada; Rahul, Sunil from UAH; Bin Zhou from GMU.from UAH; Bin Zhou from GMU.
Sponsor : NASASponsor : NASA Collaborator : ESIP Clusters, Collaborator : ESIP Clusters,
Compusult Inc., Government Compusult Inc., Government AgenciesAgencies