Using OSGeo Live In MSc Teaching

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Using OSGeo Live In MSc Teaching
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Big Data in the Earth sciences, the Tera- to Exabyte archives, mostly are made up from coverage data whereby the term "coverage", according to ISO and OGC, is defined as the digital representation of some space-time varying phenomenon. Common examples include 1-D sensor timeseries, 2-D remote sensing imagery, 3D x/y/t image timeseries and x/y/z geology data, and 4-D x/y/z/t atmosphere and ocean data. Analytics on such data requires on-demand processing of sometimes significant complexity, such as getting the Fourier transform of satellite images. As network bandwidth limits prohibit transfer of such Big Data it is indispensable to devise protocols allowing clients to task flexible and fast processing on the server. The EarthServer initiative, funded by EU FP7 eInfrastructures, unites 11 partners from computer and earth sciences to establish Big Earth Data Analytics. One key ingredient is flexibility for users to ask what they want, not impeded and complicated by system internals. The EarthServer answer to this is to use high-level query languages; these have proven tremendously successful on tabular and XML data, and we extend them with a central geo data structure, multi-dimensional arrays. A second key ingredient is scalability. Without any doubt, scalability ultimately can only be achieved through parallelization. In the past, parallelizing code has been done at compile time and usually with manual intervention. The EarthServer approach is to perform a semantic-based dynamic distribution of queries fragments based on networks optimization and further criteria. The EarthServer platform is comprised by rasdaman, an Array DBMS enabling efficient storage and retrieval of any-size, any-type multi-dimensional raster data. In the project, rasdaman is being extended with several functionality and scalability features, including: support for irregular grids and general meshes; in-situ retrieval (evaluation of database queries on existing archive structures, avoiding data import and, hence, duplication); the aforementioned distributed query processing. Additionally, Web clients for multi-dimensional data visualization are being established. Client/server interfaces are strictly based on OGC and W3C standards, in particular the Web Coverage Processing Service (WCPS) which defines a high-level raster query language. We present the EarthServer project with its vision and approaches, relate it to the current state of standardization, and demonstrate it by way of large-scale data centers and their services using rasdaman.
Classical physics Service (economics) Information Projective plane Maxima and minima Computer simulation Proper map Computer programming Wave packet Message sequence chart Term (mathematics) Universe (mathematics) Queue (abstract data type) Gamma function Fundamental theorem of algebra Physical system
Module (mathematics) Service (economics) Observational study Mobile Web Range (statistics) Insertion loss Horizon Data storage device Student's t-test Computational intelligence Mereology Focus (optics) Wave packet Element (mathematics) Programmer (hardware) Mathematics Scalable Coherent Interface World Wide Web Consortium Service (economics) Observational study Computer program Data storage device Computer simulation Core dump Student's t-test Cartesian coordinate system Element (mathematics) Degree (graph theory) Personal digital assistant Compilation album Resultant
Point (geometry) Mixed reality Multiplication sign Object model Computer 3 (number) Student's t-test Student's t-test Wave packet Local Group
Purchasing Service (economics) Texture mapping Multiplication sign Set (mathematics) Disk read-and-write head Geometry Google Maps Pattern language Data structure Information security Rhombus Service (economics) Mapping Server (computing) Database Student's t-test Computer programming Flow separation Open set Web service Interface (computing) Revision control Social class Game theory
Point (geometry) Building Computer file Local area network State of matter Computer-generated imagery Data storage device Storage area network Number Revision control Virtual reality Software Touch typing Computer network Spacetime MiniDisc Local ring Associative property Multiplication Physical system Multiplication Physical law Content (media) Data storage device Planning Virtualization Spring (hydrology) Website MiniDisc Cuboid Physical system Oracle
Source code Polar coordinate system Matching (graph theory) Computer-generated imagery Virtual machine Data storage device Student's t-test Library catalog Storage area network Programmer (hardware) Sign (mathematics) Virtual reality Software Computer network Spacetime Right angle Cuboid MiniDisc Local ring Multiplication Physical system Oracle Physical system
Satellite Service (economics) Multiplication sign Channel capacity Gauge theory Set (mathematics) Limit (category theory) Student's t-test Bit Frequency Virtual reality Operator (mathematics) File system Spacetime Integrated development environment Software testing Configuration space MiniDisc Physical system Purchasing Physicalism Virtualization Basis <Mathematik> Special unitary group Student's t-test Flow separation Category of being Integrated development environment Universe (mathematics) Video game Configuration space Cuboid Physical system
Scripting language Matching (graph theory) Thread (computing) State of matter Java applet Database Computer simulation Computational complexity theory Value-added network Cross-site scripting Interface (computing) Quicksort Physical system
Scripting language Proxy server Computer-generated imagery Channel capacity Set (mathematics) Numbering scheme Computer simulation Icosahedron Hypothesis Session Initiation Protocol Writing Goodness of fit Uniformer Raum Different (Kate Ryan album) Data structure Bounded variation Summierbarkeit Scripting language Metropolitan area network Computer simulation Computer network Bit Line (geometry) Numbering scheme Partition (number theory) Spring (hydrology) Ring (mathematics) MiniDisc Right angle Summierbarkeit Quicksort Bounded variation Spacetime
Pattern recognition Scripting language Proxy server Channel capacity INTEGRAL Computer-generated imagery Virtual machine Numbering scheme Computer network Insertion loss Bit rate Numbering scheme System call Flow separation Revision control Partition (number theory) Video game Social class Game theory Summierbarkeit Window Physical system
Partition (number theory) Term (mathematics) Multiplication sign Electronic program guide 3 (number) Social class Bit rate Student's t-test
Point (geometry) Group action Computer file Multiplication sign Numbering scheme Design by contract Instance (computer science) Virtual reality Ljapunov-Exponent Causality Different (Kate Ryan album) Semiconductor memory Queue (abstract data type) Quicksort Thin client Punched card Physical system Data storage device Instance (computer science) Portable communications device Process (computing) Software Video game Right angle Cuboid Physical system Local ring
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