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- W3022490135 abstract "In FY2020, Savannah River National Laboratory (SRNL) in collaboration with the Discovery Analytics Center (DAC) at Virginia Polytechnic Institute and State University (VT) began developing a demonstration prototype system that uses multiple machine learning and data analytic methods on largescale open data sources to identify new, developing, or undeclared nuclear programs. One of the most challenging aspects of applying machine learning techniques to such a problem is the high likelihood of extremely sparse data from disparate sources. To overcome this challenge, the current work will use a strategic combination of supervised, semi-supervised, and unsupervised learning techniques to ingest and fuse data streams to make a forecast of nuclear activities in a targeted geospatial location. Identifying potential data sources and training supervised learning algorithms is dependent upon the development of a robust foundation of targeted event domains that fundamentally define the nuclear activities of interest. This report documents the definition of a hierarchical structure for both nuclear activity and event domains that will be used to guide the research team in development or use of existing semantic dictionaries that are instrumental to searching, parsing, and categorizing events for the forecasting system’s use." @default.
- W3022490135 created "2020-05-13" @default.
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- W3022490135 date "2020-04-01" @default.
- W3022490135 modified "2023-09-27" @default.
- W3022490135 title "Event Definition for the Automated Detection of Nuclear Proliferation Activities" @default.
- W3022490135 doi "https://doi.org/10.2172/1616267" @default.
- W3022490135 hasPublicationYear "2020" @default.
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