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NDIIPP Project Update: NC Geospatial Data Archiving Project

This presentation provides an update on the NDIIPP Project at North Carolina State University Libraries and the North Carolina Center for Geographic Information & Analysis. It covers unexpected activities such as handling PDF as a geospatial format, resurrecting old maps, partnering in content exchange networks, engaging in standards efforts, developing ingest workflow tools, and changes in the domain of geospatial data archiving.

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NDIIPP Project Update: NC Geospatial Data Archiving Project

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  1. NDIIPP Project UpdateNC Geospatial Data Archiving Project (NCGDAP)North Carolina State University LibrariesNorth Carolina Center for Geographic Information & AnalysisPresented by: Steve MorrisHead of Digital Library Initiatives NCSU Libraries NDIIPP Partners Meeting January 17, 2007

  2. Biggest Project Surprise: Emerging Industry Interest in Data Longevity • A “temporally-impaired” industry begins to discover time and the value of older data • Major vendors and consulting firms begin to see temporal data management and analysis as a customer problem • Opportunities abound to engage professional organizations, software vendors, data producers, standards organizations

  3. Unexpected Activities: Handling PDF as a Geospatial Format • The true counterpart to the old map is not the GIS dataset but rather the finished geographic product (map, chart, etc.) • More than data—also classification, layering, symbolization, annotation, modeling … • PDF documents are an increasingly common output format for finished products

  4. Unexpected Activities: Resurrecting Old Maps • County and city agencies beginning to digitize old maps and aerial imagery • NCGDAP partners with NC Geologic Survey to resurrect geologic maps and old topo maps • NCGDAP-georectified maps made available for download and put in the National Geologic Map Database in 2006 Superceded USGS Topo Maps Geologic Maps from Theses, Dissertations, and Reports

  5. Unexpected Activities: Partnering in Content Exchange Networks • Survey indicates that 20 state agencies are asking for local geodata • “Contact fatigue” among local agencies – in response state/local/ federal data exchange partnerships emerge • Leveraging more compelling business reasons to put the data in motion Ongoing statewide data inventory Started March 2006 Orthophoto “sneakernet” system Started fall 2006 Transportation data exchange system Funded starting fall 2006

  6. Unexpected Activities: Engaging Standards Efforts • Partnered with EDINA (UK) and NARA to approach the Open Geospatial Consortium (OGC) in 2005-2006 • Working Group charter approved by OGC Technical Committee plenary Dec. 2006

  7. Unexpected Activities: Developing Ingest Workflow Tools Developed a set of Python classes for threat scanning, copy, item formation, and ingest object creation Developed a set of ArcGIS tools for format conversion Repository ingest approach gets inspiration from ECHO DEPository hub-and-spoke model

  8. Changes in the Domain: Mashups, Google Earth, Map APIs, and More • Huge new audience for geospatial content/services • Massive crossover of mainstream IT to geospatial, spurring open source activities • Rapid development of lightweight interoperability specifications • “Good enough” approaches to data (formats, quality, standards)

  9. Changes in the Domain: New Information Ecosystem of Static, Tiled Map Data • Web mashup/AJAX interactions with existing systems spur creation of intermediate content layers: e.g., tiling and caching of web map services • Ongoing development of a tiling services spec creates a new preservation opportunity

  10. Changes in the Domain: More Place-based (versus spatial) Data Oblique Imagery • Mobile, LBS, and, social networking applications drive demand for place-based data • Long-term cultural heritage value in non-overhead imagery: more descriptive of place and function Street View Images Tax Dept. Photos DOT Videologs

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