GeoChronos: Challenges and Achievements


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Presentation I gave at OGF 28 in Munich (Mar. 15-18, 2010). It is about challenges and achievements to date in the GeoChronos project, which is aimed at the development of an on-line collaborative environment for earth observation scientists.

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GeoChronos: Challenges and Achievements

  1. 1. Challenges and Achievements Presented by Cameron Kiddle Research Fellow, Grid Research Centre, University of Calgary
  2. 2. <ul><li>An on-line platform </li></ul><ul><ul><li>For: </li></ul></ul><ul><ul><ul><li>Earth Observation Scientists </li></ul></ul></ul><ul><ul><li>Facilitating: </li></ul></ul><ul><ul><ul><li>Collaboration between scientists </li></ul></ul></ul><ul><ul><ul><li>Application access, management and sharing </li></ul></ul></ul><ul><ul><ul><li>Data access, management and sharing </li></ul></ul></ul><ul><ul><li>Leveraging: </li></ul></ul><ul><ul><ul><li>Web 2.0 and social networking technologies </li></ul></ul></ul><ul><ul><ul><li>Cloud computing technologies </li></ul></ul></ul><ul><ul><ul><li>Semantic Web technologies </li></ul></ul></ul><ul><ul><li>Funded by: </li></ul></ul><ul><ul><ul><li>CANARIE - Network Enabled Platform (NEP-1) program </li></ul></ul></ul><ul><ul><ul><li>Cybera </li></ul></ul></ul>( ) OGF28 Mar. 15-18, 2010
  3. 3. Project Team OGF28 Mar. 15-18, 2010 Dr. Arturo Sanchez-Azofeifa University of Alberta Dr. John Gamon University of Alberta Dr. Benoit Rivard University of Alberta Dr. Rob Simmonds University of Calgary Prinicipal Investigators Project Coordination Platform Development Domain Scientists
  4. 4. Virtual Organization OGF28 Mar. 15-18, 2010
  5. 5. <ul><li>Existing cyberinfrastructure tools / services are at different stages of development </li></ul><ul><ul><li>Rare that something “works out of the box” </li></ul></ul><ul><ul><li>Don’t quite do what you need them to do </li></ul></ul><ul><ul><li>Often lacking in fault tolerance / interoperability </li></ul></ul><ul><ul><li>Significant integration efforts required </li></ul></ul>Challenges - General OGF28 Mar. 15-18, 2010
  6. 6. <ul><li>Finding a platform that meets all of the scientists’ needs </li></ul><ul><ul><li>Tried various platforms (Facebook, Ning) before settling on Elgg </li></ul></ul><ul><li>Providing simple / intuitive user interfaces </li></ul><ul><ul><li>Difficult maintaining balance between simplicity and functionality </li></ul></ul>Challenges - Collaboration OGF28 Mar. 15-18, 2010
  7. 7. <ul><li>Unique challenges in managing cloud platforms (virtualization) </li></ul><ul><ul><li>Greater flexibility but more points of failure </li></ul></ul><ul><li>Software licence restrictions </li></ul><ul><ul><li>Many software licences do not support software-as-a-service model </li></ul></ul>Challenges - Applications OGF28 Mar. 15-18, 2010
  8. 8. <ul><li>Large variety of data from many sources </li></ul><ul><li>Lack of / insufficient metadata standards </li></ul><ul><li>Automated data acquisition inhibited by human-in-the-loop processes </li></ul>Challenges - Data OGF28 Mar. 15-18, 2010
  9. 9. Achievements – Collaboration <ul><li>Social networking portal </li></ul><ul><ul><li>Elgg-based ( </li></ul></ul><ul><li>Social networking services </li></ul><ul><ul><li>Blogs </li></ul></ul><ul><ul><li>Tags </li></ul></ul><ul><ul><li>Media/document sharing </li></ul></ul><ul><ul><li>Wikis </li></ul></ul><ul><ul><li>Friends/contacts </li></ul></ul><ul><ul><li>Groups </li></ul></ul><ul><ul><li>Discussions </li></ul></ul><ul><ul><li>Message boards </li></ul></ul><ul><ul><li>Calendars </li></ul></ul><ul><ul><li>Status </li></ul></ul><ul><ul><li>Activity Feeds </li></ul></ul>OGF28 Mar. 15-18, 2010
  10. 10. Achievements - Applications <ul><li>Interactive Application Service (IAS) </li></ul><ul><ul><li>On-line, on-demand access to scientific applications </li></ul></ul><ul><ul><li>Share application sessions and data with other users </li></ul></ul><ul><ul><li>Access control to applications </li></ul></ul><ul><ul><li>Hosted on top of a cloud computing platform (ASPEN) that can dynamically provision resources on-demand </li></ul></ul>OGF28 Mar. 15-18, 2010
  11. 11. Achievements - Data <ul><li>Spectral Libraries </li></ul><ul><ul><li>Store, share and browse spectral data </li></ul></ul><ul><ul><li>Manage metadata for spectra </li></ul></ul><ul><ul><li>Create and share metadata schemas </li></ul></ul><ul><ul><li>View spectral plots, metadata, ancillary files and maps </li></ul></ul>OGF28 Mar. 15-18, 2010
  12. 12. <ul><li>Collaboration </li></ul><ul><ul><li>Additional Elgg plugins to further enable collaboration </li></ul></ul><ul><ul><ul><li>Publications, presentations ... </li></ul></ul></ul><ul><ul><li>Open portal to public (later this year) </li></ul></ul><ul><li>Applications </li></ul><ul><ul><li>Batch processing and automated workflow services </li></ul></ul><ul><ul><ul><li>Handle longer running data processing tasks and simulations </li></ul></ul></ul><ul><ul><ul><li>Automate data workflows (i.e., mosaic, reproject and subset MODIS data) </li></ul></ul></ul><ul><li>Data </li></ul><ul><ul><li>Generalization of spectral library solution </li></ul></ul><ul><ul><ul><li>Acquire, store, manage, browse and share other types of data </li></ul></ul></ul><ul><ul><li>Employment of Semantic Web technologies </li></ul></ul><ul><ul><ul><li>better link / relate data and enable ontological mapping between metadata standards </li></ul></ul></ul>Work in Progress OGF28 Mar. 15-18, 2010
  13. 13. Contact Information OGF28 Mar. 15-18, 2010 [email_address] Cameron Kiddle [email_address]