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Spatial Data Infrastructure Best Practices With Sebastian Benthall + Galen Evans OpenGeo World Bank
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Spatial Data Infrastructure (SDI)
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“…the sources, systems, network linkages, standards, and institutional issues involved in delivering spatially-related data from many different sources to the widest possible group of potential users at affordable costs.” – Groot & McLaughlin 2000 Spatial Data Infrastructure (SDI)
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The theory of SDI developed before we learned what was possible with the Internet
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...what an ideal SDI would be like Imagine...
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...an SDI that makes uploading, sharing, and working with data as easy as blogging Imagine...
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Publishing data Anthony has some spatial data and wants to display it as part of a blog post.
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Publishing data Anthony uploads it to a public SDI, styles it, provides a background, and then a map widget on his blog.
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Publishing data Meanwhile, the data, style, and map remain available on the public SDI for others to use.
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Metadata and reputation The World Organization tells Cameron, their consultant, to put data she has gathered on their SDI.
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Metadata and reputation Other users notice mistakes in the metadata. They notify Cameron and give it a low rating.
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Metadata and reputation Cameron fixes the mistakes, and the other users rate the data more highly. Her reputation on the SDI improves.
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Federated search A regional Health agency and a regional Transit agency have separate SDI systems.
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Federated search Phillip, a GIS analyst doing research, seeks out correlations between health and bicycle routes
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Federated search Phillip searches for data in a single federated index and downloads the data as a batch.
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How do you make an SDI that's as compelling as modern, widely-used web services?
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Make an SDI using the best practices of these web services and projects
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General Principles Build Bottom Up Align Incentives Be Open Non expert use
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04/26/10 “Bottom-up SDI” Start with data. Let users work with it. Generate metadata as needed.
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04/26/10 “Bottom-up SDI” Reduce barriers to participation as much as possible.
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Align Incentives Align incentives for contribution and use so that it develops naturally
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Be Open Give users a reason to participate in the system Reward collaboration with recognition and harvest the results Make as much information transparent for others to use as possible.
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Non-expert User You shouldn't have to be a GIS expert to use your SDI
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There's so much more These principles just scratch the surface of the qualities the next generation of SDI should have.
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But can it be? These are nice dreams. But will they ever be a reality?
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is a new software project to build this SDI
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It's open source. Of course.
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Founders Founders are interested in GeoNode primarily for disaster risk management Global Facility for Disaster Reduction and Recovery (GFDRR) and World Bank UN International Strategy for Disaster Reduction (UNISDR)
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That's the vision and the context. What have we actually built?
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Which best practices? How does GeoNode implement them?
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Give a reason to participate A major problem with SDI is that too few people have an incentive to use it
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Problems with Portals No benefit to registering Few real users No recognition or reward for the effort Uses stick, not carrot
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GIS SDI
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GIS SDI
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Embed SDI in the real work of GIS practitioners, it will have more impact.
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Provides styling and cartography tools Users can use the tools on data they upload GeoNode provides a reason to participate
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Map composer makes Maps Maps are an important content type They bind together ecosystem of geospatial content
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Maps, Data and Users form an ecosystem to be browsed
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Users Have Identity People like to fill user profiles to establish identity on the web Profiles then become useful data
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Metadata pain Good metadata for geospatial data is important but hard to produce.
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GeoNode has user profiles and features them prominently Those profiles have ISO metadata fields within them
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Metadata Made Easy
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Metadata Published Metadata is published with open standard CSW using GeoNetwork
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Open standards and API's
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Data published by GeoServer in OGC Services: WMS, WFS, WCS Metadata published by GeoNetwork in CSW
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KML for Google
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We use open standards for data access. GeoNode also has open APIs
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HTTP
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GeoNode's components interact through clean API's Others can build apps around GeoNode Or swap out components (Drupal...?)
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Make Content Portable
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Let Users Control Content
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Content owners control access with easy user interface Data security extends to OGC services
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All these features are included in the current 1.0-beta release.
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DEMO
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They only scratch the surface. GeoNode has a much more ambitious roadmap.
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Use the Social Network
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The Social for Search
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04/26/10
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Record statistics on usage Let users comment on and rate content Use that information to improve search results
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The Social for Quality
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Ratings affect user reputation Will encourage quality content on SDI
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04/26/10 Groups Matter
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04/26/10
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Organizations will have a presence Allows organizational endorsement of data
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These features, based on the best practices of the web, will likely be developed within a year Big Plans
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There are also features specific to Spatial Data Infrastructure on our roadmap Even Bigger Plans
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Editing
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04/26/10 Federation
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Frequently Asked Questions
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What's it made of?
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HTTP
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Today, Sept 9 14:00, right after lunch Room 4 “GeoNode Architecture” David Winslow
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What about INSPIRE? GeoServer needs WMS 1.3 and WFS 2.0 for GeoNode to meet INSPIRE standards OpenGeo is looking for partners to fund this development
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Open Data Skepticism Isn't GeoNode an open data platform? Doesn't open data raise concerns about data quality and data security?
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Open Data Optimism Yes, GeoNode is designed to promote open data.
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Open Data Optimism Features like User reputation Organizational endorsement Flexible security address data quality concerns
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Open Data Optimism GeoNode supports the continuum of openness with a common platform for institutional GIS and neogeography
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What about Features X,Y, Z? OpenGeo: We welcome your investment in new GeoNode features! Inquire at the OpenGeo Booth. (Also, patches are very welcome)
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GeoNode Action
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August 6 th - GeoNode 1.0-beta release September 27 th ?? - GeoNode 1.0 released
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Developer Community Contributing Organizations: OpenGeo, World Bank, Civic Works We hope others will join the developer community
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Developer Community Join Us! Email geonode@librelist.com to join the mailing listgeonode@librelist.com IRC: #geonode
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OpenGeo: We're Hiring! OpenGeo is hiring to fill GeoNode software developer and consultant positions
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OpenGeo: We're Selling! OpenGeo is offering a FOSS4G Special on GeoNode 1.0 Support, Deployment, and Services Inquire at our booth.
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Any questions?
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