Akio FUJIYOSHI


Minimum Spanning Tree Problem with Label Selection
Akio FUJIYOSHI Masakazu SUZUKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/02/01
Vol. E94-D  No. 2  pp. 233-239
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science -- Mathematical Foundations and Applications of Algorithms and Computer Science --)
Category: 
Keyword: 
minimum spanning tree problemNP-hardnessseries-parallel graphmathematical OCR
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Linear-Time Recognizable Classes of Tree Languages by Deterministic Linear Pushdown Tree Automata
Akio FUJIYOSHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/02/01
Vol. E92-D  No. 2  pp. 248-254
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science)
Category: 
Keyword: 
linear pushdown tree automatoncontext-free tree grammartree structurelinear-time recognizability
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Application of the CKY Algorithm to Recognition of Tree Structures for Linear, Monadic Context-Free Tree Grammars
Akio FUJIYOSHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/02/01
Vol. E90-D  No. 2  pp. 388-394
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science)
Category: Formal Languages
Keyword: 
formal languagesrecognition algorithmspine grammartree adjoining grammarcontext-free tree grammar
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Analogical Conception of Chomsky Normal Form and Greibach Normal Form for Linear, Monadic Context-Free Tree Grammars
Akio FUJIYOSHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/12/01
Vol. E89-D  No. 12  pp. 2933-2938
Type of Manuscript:  PAPER
Category: Automata and Formal Language Theory
Keyword: 
formal languagestree adjoining grammarmildly context-sensitive grammarcontext-free tree grammar
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Multi-Phase Tree Transformations
Akio FUJIYOSHI Takumi KASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/04/25
Vol. E80-A  No. 4  pp. 761-768
Type of Manuscript:  LETTER
Category: Thought and Language
Keyword: 
tree transducercomputational linguistics
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