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 Proper map Computer programming Wave packet Computer animation Message sequence chart Term (mathematics) Universe (mathematics) Queue (abstract data type) Endliche Modelltheorie 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 Mereology Focus (optics) Wave packet Neuroinformatik Element (mathematics) Programmer (hardware) Mathematics Endliche Modelltheorie Scalable Coherent Interface World Wide Web Consortium Service (economics) Observational study Computer program Data storage device Core dump Student's t-test Cartesian coordinate system Element (mathematics) Degree (graph theory) Computer animation Personal digital assistant Compilation album Resultant
Point (geometry) Computer animation Mixed reality Object model Multiplication sign 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 Complexity class Computer animation Web service Interface (computing) Revision control 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 Computer network Touch typing Spacetime MiniDisc Local ring Associative property Multiplication Physical system Multiplication Physical law Data storage device Content (media) Planning Virtualization Spring (hydrology) Computer animation Website MiniDisc Cuboid Physical system Oracle
Computer-generated imagery Virtual machine Data storage device Student's t-test Storage area network Programmer (hardware) Sign (mathematics) Virtual reality Computer cluster Software Computer network Spacetime MiniDisc Local ring Multiplication Physical system Source code Polar coordinate system Matching (graph theory) Library catalog Computer animation Right angle Cuboid Physical system Oracle
Satellite Service (economics) Multiplication sign Channel capacity Set (mathematics) Gauge theory 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 Special unitary group Basis <Mathematik> Student's t-test Flow separation Category of being Computer animation 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 Computational complexity theory Value-added network Cross-site scripting Computer animation Interface (computing) Endliche Modelltheorie Quicksort Physical system
Scripting language Proxy server Computer-generated imagery Channel capacity Set (mathematics) Numbering scheme Icosahedron Hypothesis Session Initiation Protocol Data model Writing Goodness of fit Uniformer Raum Different (Kate Ryan album) Endliche Modelltheorie Data structure Bounded variation Summierbarkeit Scripting language Metropolitan area network Computer network Bit Line (geometry) Numbering scheme Partition (number theory) Spring (hydrology) Computer animation 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 Complexity class Revision control Partition (number theory) Computer animation Video game Game theory Summierbarkeit Window Physical system
Partition (number theory) Computer animation Term (mathematics) Multiplication sign Electronic program guide 3 (number) Bit rate Student's t-test Complexity class
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) Computer animation Software Video game Right angle Cuboid Physical system Local ring
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