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11-07: Harnessing the Opportunities of Big Data in Land Records
Spatio-Temporal Datacubes - an Enabling Paradigm for Flexible, Standards-Based Infrastructures
Jacobs University, Germany
The data deluge we face does not only overwhelm us with sheer data volume, but also with an increasing variety of spatio-temporal datasets. Combining the millions of datasets into few “datacubes has the potential of getting insights from dissecting datasets and joining them with other datasets, ultimately allowing to "ask any question, any time", enabling to "build your own product on the go". Datacubes refer to spatio-temporal datasets such as 1-D sensor timeseries, 2-D satellite imagery, 3-D x/y/t image timeseries and x/y/z geophysical voxel data, as well as 4-D x/y/z/t weather data.
We introduce the OGC/ISO “Big Geo Datacube” paradigm, known as coverages, encompassing regular and irregular grids, point clouds, and general meshes. The corresponding Web Coverage Service (WCS) is an OGC core standards. Modular WCS allows flexible, scalable implementations ranging seamlessly from simple download and extraction to high-end analytics. Conformance is testable down to the level of single pixels, establishing rigorous interoperability. Cloud-based WCS datacubes of 250 TB underline usefulness for operational services.
We present coverage data and services in OGC, ISO, and EU-INSPIRE. The tutorial is supported through real-life examples which participants with an Internet laptop can recapitulate and modify.
The Way of Sharing Open Geospatial Data to Support the Planet’s Biggest Challenges
OGC, United States of America
Geospatial information is the most fundamental tool to support the planet’s joint efforts in resolving global issues. Global issues such as sustainable development and poverty eradication can be effectively managed by interconnecting information on natural disasters, poverty, and the environment through location data.
At a regional level, Spatial Data Infrastructures (SDI) provide the policy, governance and technology standards that enable the interconnection of information. SDIs also enable easy provision of fundamental authoritative data and information supporting land administration, which can lead to greater resilience at local to national scales.
This MasterClass will present a process for developing the basic components of SDIs based on the latest developments at the Open Geospatial Consortium (OGC) and a recent study of data workflows inside the World Bank. The process includes developing policy, setting up a central catalog, enabling access to data via open standards and providing other supporting services (e.g. semantic mediation and styling).
Building Third Generation Land Tools: Its4land, Smart Sketchmaps, UAVs, Automatic Feature Extraction, and the GeoCloud
1University of Twente, Netherlands, The; 2KU Leuven, Belgium; 3WWU University of Muenster, Germany; 4Hansa Luftbild, Germany; 5INES Ruhengeri, Rwanda; 6Bahir Dar University, Ethiopia; 7Technical University of Kenya, Kenya; 8ESRI Rwanda, Rwanda; 9Technische Universitat Braunschweig, Germany
A third generation of land tools is emerging: ‘its4land’ is part of the movement. The initiative aims to create seven new tools that further support faster, cheaper, easier, and more responsible land rights mapping. The tools are inspired by the continuum of land rights, fit-for-purpose land administration, and cadastral intelligence. The project is built around an ICT innovation process that incorporates a broad range of stakeholder groups with emergent geospatial technologies, including smart sketchmaps, UAVs, automated feature extraction, and geocloud services. By coupling the technologies, end-user needs and market forces, are better responded to. Backed by the European Commission, the work consists of a 4 year work plan, €3.9M in funding, and 8 consortium partners. The project is working with stakeholders from six case study locations in Ethiopia, Kenya, and Rwanda: tool development, prototyping, and demonstration is intended for local, national, regional, and international interest groups. The case locations include a mix of livelihoods and landscapes: urban, peri-urban, rural smallholder, and (former) pastoralist contexts are all included. This paper reports holistically on the first year of its4land activities: lessons from major achievements and barriers are outlined. Risks and future opportunities are also explored.
Enabling Ecosystem of Opportunity Around Digital Land Records
The root cause of ongoing deficiencies in land administration is a deficit of systemic solutions that directly engage communities in improving processes of land records management. Furthermore, the ultimate objective of land management systems goes beyond the issuance and verification of land titles to encompass the social impact that land assets have the potential to generate. If optimized for economic opportunity creation and community engagement, cadastral updates have the potential to extend digital skills training to a geographically and economically diverse group, providing a foundation for high-value job creation and associated financial enablers.