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Leeds University Geospatial Metadata Workshop 20110617

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Leeds University Geospatial Metadata Workshop 20110617

  1. 1. Geospatial Metadata and Spatial Data Workshop School of Computing University of Leeds
  2. 2. Workshop Programme <ul><li>PRESENTATION SESSION: </li></ul><ul><li>Background information </li></ul><ul><li>Metadata, standards and application profiles </li></ul><ul><li>REFRESHMENTS (30 minute break) </li></ul><ul><li>UK Academic Geospatial Metadata Application Profile, Version 2.1 (UK AGMAP 2.1) and guidelines </li></ul><ul><li>Geodoc Metadata Editor tool, GoGeo portal and other resources </li></ul><ul><li>ShareGeo Open spatial data repository </li></ul><ul><li>Current and future activities </li></ul><ul><li>DEMONSTRATION/HANDS-ON SESSION: </li></ul><ul><li>Geodoc Metadata Editor tool, GoGeo portal and ShareGeo Open spatial data repository </li></ul>
  3. 3. Background <ul><li>three decades of GIS and spatial </li></ul><ul><li>data capture technology </li></ul><ul><li>an eclectic range of academic </li></ul><ul><li>disciplines using GIS as a </li></ul><ul><li>research and teaching tool </li></ul><ul><li>considerable cost and time </li></ul><ul><li>invested in spatial data creation </li></ul><ul><li>*2006 spatial data audit at </li></ul><ul><li>4 universities: +500 dataset files, </li></ul><ul><li>100s of orphan datasets </li></ul><ul><li>Requires a spatial data management , </li></ul><ul><li>discovery and sharing solution </li></ul><ul><li>delivered through portal technology </li></ul><ul><li>and metadata . </li></ul>
  4. 4. So what is METADATA ? <ul><li>The word appears to be of Greek and Latin origin…… </li></ul>but metadata represents something completely different…… Photographic Images copyright: Jupiter Images 2006
  5. 5. Photographic Images copyright: Jupiter Images 2006 and it’s not sun and holiday
  6. 6. Represents a documented and ordered summary of information that describes something, in this case, spatial data. Provides the What, Where, When and Why for a spatial dataset. Includes its Ownership and Contact (Who) details and Access and Use conditions. Metadata (data describing data)
  7. 7. What are the ingredients? Where were ingredients produced? Who sells the ingredients? What are the brewing steps? When does the fermentation process end? Photographic Images copyright: Jupiter Images 2006 Think of metadata as a recipe for making beer.
  8. 8. metadata Photographic Images copyright: Jupiter Images 2006
  9. 9. Think of metadata as food product labelling. What are the ingredients? What is the nutritional value? How many calories and how much fat? When is this product’s expiry date? Where was it produced? Who produced it?
  10. 10. metadata
  11. 11. <ul><li>Where are these datasets’ study </li></ul><ul><li>areas? </li></ul><ul><li>When were the data collected? </li></ul><ul><li>Why were these datasets created?  </li></ul><ul><li>type of application? </li></ul><ul><li>spatial reference system? </li></ul><ul><li>spatial accuracy? </li></ul><ul><li>processes or algorithms used? </li></ul><ul><li>Who created these datasets? </li></ul>Can you tell me from any of these files….. Now think of metadata as spatial data labelling.
  12. 12. What do these polygons represent? What attribute information is associated with these polygons?
  13. 13. What do these SOILCLASS values mean? What does this attribute mean?
  14. 14. metadata
  15. 15. The importance of geospatial metadata <ul><li>Local Data Management </li></ul>Metadata Record Spatial Dataset Directory or Repository Spatial Datasets Private Metadata Directory
  16. 16. <ul><li>Geoportal : an interface to run searches to discover metadata records representing spatial data and geo-services on the internet. </li></ul>Geoportal Metadata Record Spatial Datasets and Geo-services Metadata: to discover spatial data via a Geoportal
  17. 17. G eoportal : free text , resource type , geographic location (co-ordinate and placename) and date searches.
  18. 18. Discovering spatial data through metadata offers the prospect of developing new applications
  19. 19. Contours Raster Map Draped 3D Model and creating new datasets © Crown Copyright/database right 2008 © Crown Copyright/database right 2008 © Crown Copyright/database right 2008
  20. 20. Other benefits: data protection Photographic Images copyright: Jupiter Images 2006
  21. 21. <ul><li>protects investments of time and cost dedicated to </li></ul><ul><li>dataset creation and development; </li></ul><ul><li>maintains an inventory of datasets to reduce time required to </li></ul><ul><li>re-assess existing datasets for new and future applications; </li></ul><ul><li>ensures integrity of existing and new datasets using metadata as a tracking mechanism to monitor changes and edits to datasets; </li></ul><ul><li>reduces and minimises the disruptive effects of staff </li></ul><ul><li>taking annual leave or departing for new careers; </li></ul><ul><li>eliminates or reduces the risk of redundancy in dataset collection; </li></ul><ul><li>saves against accidental deletion of dataset files. </li></ul>Metadata creation
  22. 22. <ul><li>Intellectual Property Rights (IPR) </li></ul><ul><li>residual licensed data rights for derived data </li></ul><ul><li>concerns over data quality (data creator and user) </li></ul><ul><li>liability fears </li></ul><ul><li>privacy and security </li></ul><ul><li>time and cost for data delivery </li></ul><ul><li>data transformation and harmonisation (scale, positional accuracy projections, formats) </li></ul><ul><li>legacy data </li></ul><ul><li>time and cost to create anonymised data for release </li></ul><ul><li>time and cost for metadata record (descriptive level) updates </li></ul><ul><li>infrastructure performance, maintenance & enhancement costs </li></ul><ul><li>data and software archiving and warehousing issues </li></ul><ul><li>long-term commitment and investment in the infrastructure </li></ul><ul><li>revisions to changes in standards </li></ul><ul><li>confusion about standards compliance and which standard to use </li></ul>Many concerns remain (metadata and data)
  23. 23. Metadata standard <ul><li>Provides precise specifications to enforce and ensure consistency and interoperability. </li></ul><ul><li>Defines and describes metadata entities and elements and, classify and group relevant metadata elements with entities. </li></ul><ul><li>Assigns structure and conditions (obligations, data type, domain). </li></ul>
  24. 24. Dublin Core (ISO 15836) <ul><li>Dublin Core: 15 elements to facilitate simple resource discovery in a </li></ul><ul><li>networked environment (e.g. internet or library). </li></ul><ul><li>T </li></ul>Photographic Images copyright: Jupiter Images 2006 - Contributor - Title - Date - Description - Format - Identifier - Language - Publisher - Rights - Source - Subject - Relation - Coverage - Creator - Type
  25. 25. Geospatial metadata standards <ul><li>Federal Geographic Data Committee (FGDC) Content Standard for Digital Geospatial Metadata (CSDGM) introduced in mid 1990s for documenting spatial datasets. </li></ul><ul><li>ISO 19115 Metadata Standard for Geographic Information was ratified in 2003 and supersedes FGDC. </li></ul>Geospatial metadata standards are critical for supporting metadata creation and…………………………
  26. 26. Other Content Providers UK Location Programme Network Geo-data Gateway Geoportal portal interoperability and search capabilities across the internet. User Local GoGeo database
  27. 27. Centre for Ecology and Hydrology (CEH) National Environment Research Council (NERC) National Soil Resources Institute (NSRI)
  28. 28. <ul><li>Derived from a geo standard and represents a reduction of the </li></ul><ul><li>number of entities and elements. </li></ul><ul><li>* It should include the core (mandatory) element set of a standard to </li></ul><ul><li>support interoperability across the wider geospatial community </li></ul><ul><li>( Discovery level metadata). </li></ul><ul><li>* Perhaps include other elements for Descriptive level metadata? </li></ul><ul><li>* A profile can be extended to include elements which are best suited </li></ul><ul><li>for a working group’s specific applications. </li></ul><ul><li>Example: The Biological Data Profile (BDP) </li></ul><ul><li>An approved profile with additional elements to document biological information such as taxonomy , methodology and analytical tools . </li></ul> Geospatial Metadata Application Profiles
  29. 29. Creating application profiles from ISO 19115 ISO 19115 Metadata Standard ISO 19115 Core Element Set Application Profiles Academia ( 43 + 47=90) Public Sector ( 43 + 62=105) Private Sector ( 43 + 12=55) 300+ elements 43 elements Environmental Sciences Specialised APs * INSPIRE Directive Metadata Guidelines * UK GEMINI 2.1 , an INSPIRE compliant geospatial metadata standard for the UK * ANZLIC Metadata Profile * North American Application Profile (NAP), Canada and the US Archaeology Biological Sciences Geo Sciences History Health Informatics
  30. 30. Infrastructure for Spatial Information in the European Community (INSPIRE) *European Commission (EC) *European Environment Agency (EEA) *Representatives from Member States (Mapping/GIS) INSPIRE Directive Metadata Guidelines
  31. 31. INSPIRE Directive [2007 /2/ EC] <ul><li>T argets electronic spatial data and services for environmental information. </li></ul><ul><li>Aims to create a European Spatial Data Infrastructure (SDI) based on Member States’ infrastructures, to improve interoperability of spatial information. </li></ul><ul><li>Data and services to be delivered through European initiatives. </li></ul><ul><li>INSPIRE Regulations came into force on 31 December 2009 and applies to England, Northern Ireland and Wales. </li></ul><ul><li>Scotland’s Parliament enacted a complementary regulation on the same date. </li></ul><ul><li>Public authorities obliged to produce and keep ‘metadata’ current for describing datasets, dataset series and geo-services. </li></ul><ul><li>Includes UK academia (Freedom of Information Act, 2000). </li></ul>
  32. 32. <ul><li>• Provide metadata catalogues to reveal what information is available. </li></ul><ul><li>• Provide online data discovery , view , download and transformation (interoperability) services. </li></ul><ul><li>• Licensing arrangements to allow for information sharing, access and use in accordance with each State’s regulations. </li></ul><ul><li>• Set up e-commerce arrangements where charging is applicable. </li></ul><ul><li>• Introduce monitoring mechanisms to show that information is being made available. </li></ul><ul><li>• Introduce co-ordination mechanisms to ensure effective operation of the infrastructure. </li></ul><ul><li>Comply with the 34 spatial data specifications in three annexes </li></ul><ul><li>(reference geographies, environmental datasets). </li></ul>INSPIRE Regulations for member states
  33. 33. INSPIRE spatial data themes and deadlines for creating metadata
  34. 35. INSPIRE Metadata Editor tool and Geoportal
  35. 36. * First released in 2004 to support creation of ISO 19115 and e-GMS compliant metadata - supersedes the National Geospatial Data Framework ( NGDF) * Targeting the UK public sector * 2010: UK Location Programme (UKLP) revised UK GEMINI 2.1 to meet the requirements of the EU INSPIRE Directive. UK GEMINI UK Location Programme (UKLP) is a pan-government collaborative initiative with the responsibility to develop and implement the INSPIRE Directive 2007/2/EC and the UK Location Strategy.
  36. 37. UK Location Metadata Editor and Catalogue built with UK GEMINI 2.1
  37. 38. /#/ Metadata Madness!
  38. 39. <ul><li>Metadata and spatial data resources for </li></ul><ul><li>UK academia </li></ul>
  39. 40. UK Academic Geospatial Metadata Application Profile, Version 2.1 (UK AGMAP 2.1) UK AGMAP 2.1 created to support the specific needs of the UK H&FE communities. Comprises elements from ISO 19115, UK GEMINI 2.1 and INSPIRE. Supports documentation of a dataset, dataset series or geo-service for the purpose of discovery and description. Mapped to Dublin Core, FGDC, INSPIRE, UK GEMINI 2.1 and DDI.
  40. 41. UK AGMAP 2.1 profile for datasets and dataset series Contact details = 7 Drop down lists = 9 Red : Mandatory Green : Conditional 29 mandatory 90 elements
  41. 42. UK AGMAP 2.1 profile for Geo-services Contact details: 7 Drop down lists: 6 22 mandatory 39 elements
  42. 43. UK AGMAP 2.1 Guidelines Contain descriptions and examples to assist metadata creators and GoGeo portal users from eclectic range of academic disciplines.
  43. 44. Most spatial data information is stored in our heads. We need to move it from there to an electronic file. Metadata Creation Photographic Images copyright: Jupiter Images 2006
  44. 45. Mind reading aliens? Solutions? Photographic Images copyright: Planet Vulcan Images 2006
  45. 46. Metadata extraction device?
  46. 47. Geodoc Metadata Editor Tool
  47. 48. Geodoc design and functionality <ul><li>Java-built online tool </li></ul><ul><li>authentication required </li></ul><ul><li>text fields and drop-down lists for entering information </li></ul><ul><li>validation (red fields) </li></ul><ul><li>access to metadata guidelines and Geodoc reference guide </li></ul>
  48. 49. Direct links to relevant UK AGMAP 2.1 guideline pages
  49. 50. <ul><li>MyGoGeo! automation </li></ul><ul><li>and customisation tool </li></ul>
  50. 51. Geodoc coordinate extent tool Map tool captures co-ordinate values for bounding box elements used to define the extent of a dataset’s study area. Extents for Nations at the click of the mouse
  51. 52. Personal and secure directory for storing, editing and exporting metadata records.
  52. 53. <ul><li>e X tensible M arkup L anguage ( XML ) is used for marking up </li></ul><ul><li>documents and data using tags that define structural elements. </li></ul><ul><li>A standard way to describe and share data on the web. </li></ul>
  53. 54. Geodoc exports UK AGMAP 2.1 metadata records in PDF format
  54. 55. Publication on open or private (Group) nodes
  55. 56. 1) create and validate record; 2) submit record for review; 3) metadata creator is contacted; and 4) record is published on the GoGeo portal. 1 2 3 Easy steps to the publication of a geospatial metadata record Photographic Images copyright: Jupiter Images 2006 4
  56. 57. A simple interface designed for UK academia to run queries to discover metadata for spatial datasets, and to locate geographic resources. The portal enables searching by the use of various options including - free text - date - resource type - geographic location GoGeo Portal: GoGeo rebuilt and redesigned. Launched on 17 May 2011
  57. 58. GoGeo portal rebuilt with GeoNetwork ( GeoNetwork: A standard’s (ISO 19115) based, free and open source catalogue application to manage spatially referenced resources through the web. Provides metadata editing and search functions as well as an embedded interactive web map viewer.
  58. 59. GoGeo simple search Placename search using Unlock middleware gazetteer
  59. 60. Search results page and extents display
  60. 61. Metadata record published on GoGeo
  61. 62. Advanced search <ul><li>- Map Type </li></ul><ul><li>- Location </li></ul><ul><li>- Text </li></ul><ul><li>Date Ranges </li></ul><ul><li>Catalogue </li></ul><ul><li>Category </li></ul><ul><li>INSPIRE </li></ul>
  62. 63. Access to metadata records published on a Group node
  63. 64. Why publish metadata on the GoGeo portal? <ul><li>a repository for you to store and manage your metadata thus savings in cost and time; </li></ul><ul><li>use metadata to announce your data and applications; </li></ul><ul><li>advertise (and sell?) your spatial datasets to other interested parties in academia and in the private and public sectors; </li></ul><ul><li>metadata in the portal can be referenced and cited for project proposals; </li></ul><ul><li>could be configured as an internal resource to access and share datasets. </li></ul><ul><li>* Cambridge, Edinburgh, Kingston, Leeds, Leicester, Sheffield </li></ul><ul><li>and Southampton universities have created and published </li></ul><ul><li>+200 metadata records on GoGeo portal (global and private). </li></ul>
  64. 65. GoGeo resource channels 3,000+ resources with daily updates
  65. 66. MyGoGeo!: bookmark resources
  66. 67. Other geospatial metadata resources
  67. 68. Geospatial Metadata Workshops <ul><li>July 2007 </li></ul><ul><ul><li>Aberdeen University </li></ul></ul><ul><ul><li>Marine/ECO-IMAGINE </li></ul></ul><ul><ul><li>Geospatial </li></ul></ul><ul><ul><li>Technologies Course </li></ul></ul><ul><li>2008 </li></ul><ul><ul><li>Sheffield University </li></ul></ul><ul><ul><li>Southampton University </li></ul></ul><ul><ul><li>May 2010 </li></ul></ul><ul><ul><li>Plymouth University </li></ul></ul><ul><li>2003 </li></ul><ul><ul><li>Durham University </li></ul></ul><ul><ul><li>City University </li></ul></ul><ul><li>2004 </li></ul><ul><ul><li>University of Essex </li></ul></ul><ul><li>York University </li></ul><ul><ul><li>Strathclyde University </li></ul></ul><ul><li>Bradford University Oxford Brookes University </li></ul><ul><li>Coventry University </li></ul><ul><ul><li>Edinburgh University </li></ul></ul><ul><ul><li>Oxford University </li></ul></ul><ul><li>Kingston University </li></ul><ul><ul><li>Sheffield University </li></ul></ul><ul><li>2006 </li></ul><ul><ul><li>Aberdeen University </li></ul></ul><ul><ul><li>Leeds University </li></ul></ul><ul><ul><li>Cambridge University </li></ul></ul><ul><ul><li>Oxford University </li></ul></ul><ul><ul><li>Stirling University </li></ul></ul><ul><ul><li>Glasgow University </li></ul></ul><ul><ul><li>Heriot-Watt University </li></ul></ul><ul><ul><li>Strathclyde University </li></ul></ul><ul><ul><li>Kingston University </li></ul></ul><ul><ul><li>GISRUK Conference (Nottingham) </li></ul></ul><ul><ul><li>Edinburgh University </li></ul></ul><ul><li>Autumn 2010 </li></ul><ul><li>Cardiff University </li></ul><ul><li>Aberdeen University </li></ul><ul><ul><li>Lancaster University </li></ul></ul><ul><ul><li>Glasgow University </li></ul></ul>Civil Engineering Biological Sciences Planning Environmental Sciences Architecture Information Technology Retailing Climate Sociology Library Science Landscape Planning Archaeology Mathematics Health Ecology Geosciences Computing <ul><li>Spring 2011 </li></ul><ul><li>Oxford University </li></ul><ul><li>Northumbria University </li></ul><ul><li>Cambridge University </li></ul><ul><li>Strathclyde University </li></ul><ul><ul><li>Leeds University </li></ul></ul>
  68. 69. ShareGeo Open <ul><li>A repository for deposit and extraction of spatial data. </li></ul><ul><li>Supports access to and sharing of spatial data. </li></ul><ul><li>Holds national and international spatial datasets </li></ul><ul><li>(raster, vector and tabular). </li></ul><ul><li>Key to delivering a Spatial Data Infrastructure (SDI) for the UK </li></ul><ul><li>academic GI community. </li></ul><ul><li>ArcGIS plugin to create metadata to deposit with data. </li></ul>
  69. 70. Spatial dataset extraction
  70. 71. Search ShareGeo via the GoGeo Portal
  71. 72. Spatial dataset submission Basic metadata form to complete and extents extracted from dataset.
  72. 73. Ordnance Survey (OS OpenData)
  73. 74. ShareGeo Digimap Solution for spatial data derived from licensed data.
  74. 75. Current and future activities
  75. 76. Offer GoGeo resources for local spatial data management -UK AGMAP 2.1 -Guidelines -Geodoc metadata tool -GoGeo portal nodes -Workshops -eLearning objects Geography Archaeology Geological Sciences Biological Sciences Research
  76. 77. University A University B University C Open Spatial Data Infrastructure (SDI) for UK academia Other resources and portals Spatial Data Repository Spatial data Metadata Search Data user Metadata UK AGMAP 2 Guidelines Geodoc tadata tool Customised GoGeo Portal Nodes Training Geography Archaeology Geological Sciences Biological Sciences UK AGMAP 2 Guidelines Geodoc metadata tool Customised GoGeo Portal Nodes Training Geography Archaeology Geological Sciences Biological Sciences UK AGMAP 2 Guidelines Geodoc metadata tool Customised GoGeo Portal Nodes Training Geography Archaeology Geological Sciences Biological Sciences UK AGMAP 2 Guidelines Geodoc metadata tool Customised GoGeo Portal Nodes Training Geography Archaeology Geological Sciences Biological Sciences University D
  77. 78. Discover Locate Access Use Publish Fit for purpose? Preserve Steps to data immortality
  78. 79. Questions?
  79. 80. Using the Geodoc Metadata Editor Tool to create a valid geospatial metadata record Practical 1
  80. 81. <ul><li>Access MyGoGeo! to enter contact details. </li></ul><ul><li>Read description of CORONA satellite image dataset. </li></ul><ul><li>Access Geodoc Metadata Editor tool and open reference documents on home page. </li></ul><ul><li>Create and save a valid metadata record referencing the information provided for the CORONA satellite image dataset. </li></ul><ul><li>Export the metadata record into UK AGMAP 2.1 format using XML and PDF output. </li></ul><ul><li>Publish metadata record. </li></ul>
  81. 82. <ul><li>Using the GoGeo portal to access a </li></ul><ul><li>ShareGeo Open spatial dataset </li></ul>Practical 2
  82. 83. <ul><li>Conduct a search using the GoGeo portal. </li></ul><ul><li>Open and read the metadata record. </li></ul><ul><li>Access the ShareGeo Open spatial dataset via link provided in metadata record. </li></ul>

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