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A knowledge graph construction method for compliance review of water conservancy project reports. [PDF]
PLoS OneDing Z +5 more
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Scientific Writing- an Editor's Memo to Emerging Authors-1. [PDF]
J Epidemiol Glob HealthEbrahim SH.
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Generating Strings at Random from a Context Free Grammar
, 1997 Bruce McKenzie
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Generalized context‐free grammars and multiple context‐free grammars
Systems and Computers in Japan, 1989AbstractIt is shown that the class of languages generated by generalized context‐free grammars (gcfg's) introduced by Pollard is exactly the class of recursively enumerable sets. Next, a subclass of gcfg's called multiple context‐free grammars (mcfg's) is introduced and it is shown that the class of languages generated by mcfg's properly contains the ...
Tadao Kasami +2 more
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Context-Free Categorical Grammars
2009We define generic categorical notions of rewriting and grammar, using two basic operations, pullback and pushout, and show that these categorical grammars are intrinsically context-free in the sense of Courcelle. We then specialise to various settings, including classical word grammars, hyperedge replacement grammars or node-replacement grammars.
Ly, Olivier, Bauderon, Michel, Chen, Rui
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Grammars, 2002
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