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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Dyna: Extending Datalog for Modern AI
verfasst von : Jason Eisner, Nathaniel W. Filardo
Erschienen in: Datalog Reloaded
Verlag: Springer Berlin Heidelberg
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Modern statistical AI systems are quite large and complex; this interferes with research, development, and education. We point out that most of the computation involves database-like queries and updates on complex views of the data. Specifically, recursive
queries
look up and aggregate relevant or potentially relevant values. If the results of these queries are memoized for reuse, the memos may need to be
updated
through change propagation. We propose a declarative language, which generalizes Datalog, to support this work in a generic way. Through examples, we show that a broad spectrum of AI algorithms can be concisely captured by writing down systems of equations in our notation. Many strategies could be used to actually solve those systems. Our examples motivate certain extensions to Datalog, which are connected to functional and object-oriented programming paradigms.