The Equivalence of Bottom-Up and Top-Dow
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Joost Engelfriet; Heiko Vogler
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Article
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1998
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Elsevier Science
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English
β 979 KB
We introduce the bottom-up tree-to-graph transducer, which is very similar to the usual (total deterministic) bottom-up tree transducer except that it translates trees into hypergraphs rather than trees, using hypergraph substitution instead of tree substitution. If every output hypergraph of the tr