The GeoConnections Discovery Portal Michael Robson MacDonald Dettwiler and Associates Brian McLeod, Michael Adair Natural Resources Canada

GeoConnections Secretariat Agenda Where we are coming from Where we are now Where we are going

GeoConnections Secretariat History of the Discovery Portal 1994: Stakeholder workshops and requirements 1996: CEONet v1: Directory Services, Distributed Search, Map Tools 1997: Web API 1998: CEONet v2 - Unified Search (z39.50, IMS, Simple Search), IDN Peering 1999: ReUsable Components, Ordering, Extensive Usability Testing 2000: On-line Ordering Interfaces, Custom Geo Profiles 2001: GeoConnections Discovery Portal (GDP) 2002: GDP - v3: Bilingual Entries, On-Line Services/Web Services, XML Public Interface, Stateless Catalogue Integration Beyond: ISO 19115, Peering: NSDI, Geography Network, others

GeoConnections Secretariat Discovery Portal Features... Remote Search Server Remote Search Server Remote Search Server Gazetteers Visualization Tools Map Server Applications and Portals API Other SDI Cascading Web-map servers Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Browsers Directory Advertising Services Discovery Services Directory Advertising/Discovery of Product Collections, Organizations and Services

GeoConnections Secretariat Discovery Portal Features Gazetteers Visualization Tools Map Server Applications and Portals API Other SDI Cascading Web-map servers... Remote Search Server Remote Search Server Remote Search Server Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Browsers Directory Advertising Services Discovery Services Unified Search: Internet Search using Multiple Protocols in Parallel

GeoConnections Secretariat Discovery Portal Features Browsers... Gazetteers Visualization Tools Map Server Applications and Portals API Other SDI Directory Cascading Web-map servers Remote Search Server Remote Search Server Remote Search Server Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Advertising Services Discovery Services Ordering Interfaces: Discovered Products pushed into Remote Order Baskets

GeoConnections Secretariat Discovery Portal Features Browsers... Remote Search Server Remote Search Server Remote Search Server Gazetteers Applications and Portals API Other SDI Directory Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Advertising Services Discovery Services Visualization Tools Map Server Cascading Web-map servers Interactive Map Tools Gazetteers (postal code, place name), Visualization (local Map Server or external Web Map Servers)

GeoConnections Secretariat Discovery Portal Features Browsers... Remote Search Server Remote Search Server Remote Search Server Gazetteers Visualization Tools Map Server Applications and PortalsAPI Other SDI Directory Cascading Web-map servers Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Advertising Services Discovery Services API: Supports other portals to use Directory Services, Advertising Services and Distributed Search (XML interfaces coming soon)

GeoConnections Secretariat Discovery Portal Features Browsers... Remote Search Server Remote Search Server Remote Search Server Gazetteers Map Server Visualization Tools Applications and PortalsAPI Other SDI Directory Cascading Web-map servers Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Advertising Services Discovery Services ReUsable Components Map Tools Usable by other Web Sites or Portals

GeoConnections Secretariat Discovery Portal Features Browsers... Remote Search Server Remote Search Server Remote Search Server Gazetteers Visualization Tools Map Server Applications and Portals API Other SDI Directory Cascading Web-map servers Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Advertising Services Discovery Services Peering CEOS International Directory Node (IDN); ongoing import/export with the IDN

GeoConnections Secretariat Discovery Portal Features Browsers... Remote Search Server Remote Search Server Remote Search Server Gazetteers Visualization Tools Map Server Applications and Portals API Other SDI Directory Cascading Web-map servers Remote Suppliers’ Products HTTP FTP ordering On-Line ordering GeoConnections Discovery Portal Advertising Services Discovery Services Usability Testing Involve Users in HMI and Functionality Design Decisions

GeoConnections Secretariat Component-Based Web ServicesComponents provide for geospatial coordinate specification and map footprint display EarthscapeLite : HTML- based map viewer client Earthscape II : Java-based map viewer client Postal Code Look-up Place Name Look-up

GeoConnections Secretariat

Other Portals Where we are now Core Technology Search Engine Database Distributed Search Services Map Tools Discovery Portal Front End Other Portals

GeoConnections Secretariat Version 3 Requirements Flexible data model –Multiple content standards (FGDC, ISO 19115, …) –Associations between products, organizations, services –scalability Improved bilingual support –Single entity with 2 language views Standard Interfaces –Presentation-independent output –Other input/output interface specifications (services, peering, etc. ) –Applications/portals using GDP are becoming increasingly important

GeoConnections Secretariat Version 3 Requirements (cont…) Improved directory services –Flexible discovery mechanism using RDBMS –Improved relevance and sorting capabilities –Improved search speed –Discovery capabilities can be easily updated as the data model and the CGDI community evolve Improved support for Services –Includes traditional services as well as “web services” –OGC services catalog integrated with directory search – search for data will return individual WMS layers –Improved metadata and keywords for services

GeoConnections Secretariat V3 design overview

GeoConnections Secretariat Where we are going Migration to a Peer-to-Peer Architecture –NDSI, GeographyNetwork, OGC services catalogues, other Web services catalogues Leverage the best-of-breed emerging web service architectures Enabling communities of practice

GeoConnections Secretariat Discovery Portal Broker Discover/ Find Discover/ Find Services Provider Where we are going Tight Integration with Web Service Discovery: Publish Discover/ Find Bind/Contact Bind Services Broker Client Services Provider

GeoConnections Secretariat Version 3 demo (data+WMS discovery and visualization)

GeoConnections Secretariat Version 3 preview

GeoConnections Secretariat Information V3 to be released at: