Weighted Context-free Grammar
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High Quality Content by WIKIPEDIA articles! A weighted context-free grammar (WCFG) is a context-free grammar where each production has a numeric weight associated with it. The weight of a parse tree in a WCFG is the weight of the rule used to produce the top node, plus the weights of its children. A special case of WCFGs are stochastic context-free grammars, where the weights are (logarithms of) probabilities. An extended version of the CYK algorithm can be used to find the "lightest" (least-weight) derivation of a string given some WCFG.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786131170386
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- EAN 9786131170386
- Format Fachbuch
- Titel Weighted Context-free Grammar
- Herausgeber Betascript Publishing
- Anzahl Seiten 120
- Genre Mathematik
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