Speaker
Description
This talk introduces semantic Earth observation (EO) data cubes as well as planned and upcoming activities. A semantic EO data cube or a semantics-enabled EO data cube is a data cube, where for each observation at least one nominal (i.e., categorical) interpretation is available and can be queried in the same instance. The term "semantic" refers to the fact that the data cube has been enriched with semantic information, which adds meaning to the data and allows querying based categories instead of reflectance values. Users can formulate queries in semantic models and store and share them in a knowledgebase. Once a semantic model is registered in the knowledgebase, it receives a unique identifier and its execution can be triggered by a variety of clients via standard Web interfaces.
A Proofs-of-concept of semantic EO data cubes is available for several regions and sensors, e.g., Sentinel-2 for Austria, and parts Syria, and Afghanistan, or AVHRR and Sentinel-3 for the Alps.