Clear explanations of AI, DX, and technology terminology
Semantic search is a method that returns search results based on the "semantic proximity" between a query and documents. Rather than matching keyword strings, it converts text into a vector space using embeddings and measures relevance with distance functions such as cosine similarity.
Sentinel-2 is an Earth observation satellite of the Copernicus program led by ESA (European Space Agency). It acquires multispectral imagery in 13 bands spanning the visible to shortwave infrared range at resolutions of 10–60 m, and continuously observes land areas with a revisit cycle of approximately 5 days. It is widely used for cropland and vegetation monitoring, land cover classification, and pre/post-disaster comparison, with data made fully open and freely available.
Shadow AI refers to the collective term for AI tools and services used by employees in their work without the approval of the company's IT department or management. It carries risks of information leakage and compliance violations.
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