Martin, This looks great.
Hope we get many excellent abstracts like this. George > On Mar 29, 2018, at 10:54 AM, Martin Desruisseaux > <[email protected]> wrote: > > Hello all > > Below is my proposal for a talk at the next ApacheCon in Montréal. The > talk will be partially about Apache SIS, but I think that the main part > could be of wider scope. Is there any comment, proposal for changes or > collaboration with other talk proposal? > > Martin > > ------------------------------------------------------------------------ > > The Open Geospatial Consortium (OGC) defines many international > standards that make interoperability possible between different > geospatial applications. Most standards are articulated around data > formats (Well Known Text, Geographic Markup Language, etc.) and web > services (Web Map Service, Web Feature Service, etc.) Those standards > enable data transfers between server machines, where data are stored, > and client machines, where data are typically processed (except with Web > Processing Service). But in a world of petabytes of Earth Observation > data, bringing data to the algorithm is not always practical; there is > sometime a need to bring algorithm to data instead. Google Earth Engine, > Open Data Cube, OpenEO and Amazon lambdas are examples of environments > where data are hosted and computed remotely. In those environments, the > OGC standards for data transfers do not apply as much as in the > "classical" situation. Consequently each cloud environment defines its > own, non-standard API for handling geospatial data. > > This presentation will show how an old OGC effort — GeoAPI — could apply > to the cloud environment for some kinds of problems. An example of > remote execution using the same standard API in both Java and Python > languages will be shown. We will present advantage and inconvenient of > using a standard API. In particular the perceived complexity of > international standards should be weighted against the problems of > popular simple alternatives. Apache Spatial Information System (SIS) > will be presented as a GeoAPI implementation with a focus on new > features, some of them resulting from evolution in standards. > > This talk is aimed to peoples having an interest in international > standards applied to geospatial data, their implementation in Apache > SIS, and how cloud environments may impact those standards. This talk > will introduce some advanced features like dynamic datums in spatial > referencing, but mainly as illustrations of the expertise contained in > international standards. > >
