an efficient parsing algorithm
Tài liệu Báo cáo khoa học: "An Efficient Generation Algorithm for Lexicalist MT" ppt
... Johnson, Andrew Kay and Antonio Sanfilippo at SLE, and our anonymous reviewers for useful feedback and discussions on the re- search reported here and on earlier drafts of this paper. of instantiated ... as translation coverage is extended and new lan- guage pairs are added. 5 Conclusion We have presented a polynomial complexity gener- ation algorithm which can form part of any Shake- and-Bake ... great man translated as un homme grand). The problem is justifying the main/subordinate distinction in every language that we might wish to translate into German. This distinction can be...
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Báo cáo khoa học: "An Earley Parsing Algorithm for Range Concatenation Grammars" potx
... Parmentier, and Johannes Dellert. 2008. De-veloping an MCTAG for German with an RCG-based parser. In Proceedings of LREC-2008, Mar-rakech, Morocco.Wolfgang Maier and Anders Søgaard. 2008. Tree-banks ... Clergerie. 2001. Guided parsing of Range Concatenation Languages. In Pro-ceedings of ACL, pages 42–49.Tilman Becker, Aravind K. Joshi, and Owen Rambow.1991. Long-distance scrambling and tree adjoininggrammars. ... adjacentvariables can be concatenated), it is called an in-stantiated predicate and the result of applying φ toall predicates in c, if defined, is called an instanti-ated clause.We also introduce range...
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Tài liệu Báo cáo khoa học: "AN EXTENDED LR PARSING ALGORITHM FOR GRAMMARS USING FEATURE-BASED SYNTACTIC CATEGORIES " pot
... Aho and Ullman (1987) and Aho and Johnson (1974), and more formal definitions and notations of a feature- based grammar formalism from Pollard and Sag (1987) and Shieber (1986). 2 The LR Parsing ... not require any preliminary instantiation of categories or a search for them, and a reduce action which pe,forms instanliation tit)ring parsing. Some details of the LR parsing algorithm are ... AN EXTENDED LR PARSING ALGORITHM FOR GRAMMARS USING FEATURE-BASED SYNTACTIC CATEGORIES Tsuneko Nakazawa Beckman Institute for Advanced Science and Technology and Linguistics...
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Báo cáo khoa học: "AN OPTIMAL TABULAR PARSING ALGORITHM" pdf
... recursion and is generally less efficient. Nondeterministic LC parsing is the foundation of a very efficient parsing algorithm [7], related to Tomita's algorithm and Earley's algorithm. ... common-prefix (CP) parsing, which are al- gorithms capable of simultaneous processing of all com- mon prefixes. ELR and CP parsing are the foundation of tabular parsing algorithms and a parallel parsing ... with tabular LR parsing. As we will explain, CP and ELR parsing are more deterministic than most other parsing algorithms for many grammars, but their tabular realizations can never compute...
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Tài liệu Báo cáo khoa học: "An alternative LR algorithm for TAGs" docx
... Tabulation en Ana- lyse Syntaxique et Ddduction (Tabulation in Parsing and Deduction), pages 1-9, Paris, France, April. Y. Schabes and K. Vijay-Shanker. 1990. Deter- ministic left to right parsing ... 3, and the automaton that operates on these tables is given in Section 4. Section 5 first explains why the algorithm from Schabes and Vijay-Shanker (1990) is incorrect, and then provides an ... to correct the algorithm. We therefore developed an alternative to the algorithm from Schabes and Vijay-Shanker (1990). This alternative is novel in presenta- tional aspects, and is fundamentally...
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Tài liệu Báo cáo khoa học: "An Efficient Parallel Substrate for Typed Feature Structures on Shared Memory Parallel Machines" docx
... Cambridge, England. K. Clark and S. Gregory. 1986. Parlog: Parallel programming in logic. Journal of the A CM Transaction on Programming Languages and Syste ms, 8 ( 1):1-49. Ralph Grishman and Mehesh ... heap can be read by any CSAs, each CSA can read the re- sult performed by any other CSAs. However, the portion of a shared heap that the CSA can write to is limited. Any other CSA cannot ... Applied Natural Language Processing, pages 71-76. Association for Computational Linguistics. T. Kasami. 1965. An efficient recognition and syntax algorithm for context-free languages. Technical...
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Tài liệu Báo cáo khoa học: "Efficient Parsing for Bilexical Context-Free Grammar sand Head Automaton Grammars*" pptx
... mapping (Hopcroft and Ull- man, 1979). This property also holds for our class of bilexical CFGs. References A. V. Aho and J. D. Ullman. 1972. The Theory of Parsing, Translation and Compiling, ... E. Hopcroft and J. D. Ullman. 1979. Introduc- tion to Automata Theory, Languages and Com- putation. Addison-Wesley, Reading, MA. 463 6 Multiple word senses Rather than parsing an input string ... reversed, Is is exchanged with Fa, and any transi- tion probabilities are replaced by those of the reversed Markov chain. 461 Efficient Parsing for Bilexical Context-Free Grammars and Head Automaton...
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Tài liệu Báo cáo khoa học: "Parsing Algorithms and Metrics" doc
... Matching parsing algorithms to evaluation crite- ria is a powerful technique that can be used to im- prove performance. In particular, the Labelled Re- call Algorithm can improve performance versus ... true of the Labelled Tree Algorithm and stochastic versions of Earley's Algorithm (Stolcke, 1993), and variations such as those used in Picky parsing (Magerman and Weir, 1992). Even in ... ATIS data and the cleaned-up version is avail- able from ftp://ftp.das.harvard.edu/pub/goodman/atis- ed/ ti_tb.par-ed and ti_tb.pos-ed. The number of changes made was small, less than 0.2% Criteria...
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Tài liệu Báo cáo khoa học: "Online Learning of Approximate Dependency Parsing Algorithms" potx
... solvable. 88root Han spejder efter og ser elefanterneHe looks for and sees elephantsFigure 5: An example dependency tree fromthe Danish Dependency Treebank (from Kromann(2003)).word to ... Discontinuous Grammar and annotateda large set of Danish sentences using this formal-ism to create the Danish Dependency Treebank(Kromann, 2003). The formalism allows for a84DanishPrecision Recall ... state-of-the-art accuracyfor English and the best accuracy we know of forCzech and Danish.2 Maximum Spanning Tree Parsing Dependency-tree parsing as the search for themaximum spanning tree (MST) in a graph...
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Báo cáo khoa học: "EFFICIENT PARSING FOR FRENCH*" potx
... Grammars, and Natural Lan- guages. PhD Thesis, Stanford University. Pollard, C. J. and Sag, I. (1988) An Information-Based Approach to Syntax and Semantics : Volume 1 Fundamentals. Stanford, ... Study of Language and Information. S teedman, M. (1985) Dependency and Coordination in the Grammar of Dutch and English. Language, 61, 523 -568. Steedman, M. (1988) Combinators and Grammars. ... Grammar and Unification. In Reyle, U. and Rohrer, C. (eds.) Natural Language Parsing and Linguistic Theo- ries, 202-229. Dordrecht : D. Reidel. Zeevat, H., Klein, E. and Calder, J. (1987) An Inlroduc-...
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Báo cáo khoa học: "AN ISLAND PARSING INTERPRETER FOR THE FULL AUGMENTED TRANSITION NETWORK FORMALISM" potx
... would like to thank Bran Boguraev for his guidance during the writing of the interpreter, and for supplying the ATN grammars I have used. Thanks also to Karen Sparck Jones and John Tait for ... Natural Language Analysis". Communications of the ACM, 13, 10, 591-606. Woods, W. et al. (1976) ,,Parsers,' in "Speech Understanding Systems". Bolt, Beranek and Newman Inc. ... problems with scope clauses in an island parsing ATN interpreter: if an action (LIFTR <register> ) occurs in a sub-network, any action using that register in any higher sub-network that...
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Bond Markets in Serbia: regulatory challenges for an efficient market potx
... on Banksand Other Financial Organizations; the Law on Bank Rehabilitation, Bankruptcy andLiquidation; and the Law on the Agency for Deposit Insurance and BankRehabilitation, Bankruptcy and ... Valjevska banka, JIK banka,Pozarevacka banka, Sabacka banka, Beogradska banka, Beobanka, Jugobanka, andInvestbanka. Later, two more banks were added to this list - Dafiment banka andBanka privatne ... securities and other financial instruments and of these entities, and shall con-duct the clearing and balancing of accounts of securities and balancing of accountsof financial assets and liabilities...
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Flash: An Efficient and Portable Web Server pot
... Y. Hu, A. Nanda, and Q. Yang. Measurement, anal-ysis and performance improvement of the Apacheweb server. In Proceedings of the 18th IEEE In-ternational Performance, Computing and Commu-nications ... testbed configuration. Special thanks to ZeusTechnology for use of their server software and DamianReeves for feedback and technical assistance with it.Thanks to Jef Poskanzer for the thttpd web server, ... versions.The choice of an operating system has a signifi-cant impact on Web server performance. Perfor-The number of concurrent connections can have asignificant impact on server performance [4]. Our...
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Báo cáo khoa học: "CONSTRAINT PROJECTION: AN EFFICIENT TREATMENT DISJUNCTIVE FEATURE DESCRIPTIONS " ppt
... play an impor- tant role in synthesizing linguistic analyses such as parsing and semantic analysis, and linguistic and non-linguistic inferences. Acknowledgments I would like to thank Kiyoshi ... returned. Thus CP can he applied to CYK parsing, but needless to say, CP can be applied to parsing al- gorithms other than CYK, such as active chart parsing. 5 Implementation Both CU and CP have ... and indicates its disadvan- tages. Section 4 explains the basic ideas and the algorithm of CP. Section 5 presents some results of implementation and shows that adopting CP makes parsing efficient. ...
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Báo cáo khoa học: "Sequential Labeling with Latent Variables: An Exact Inference Algorithm and Its Efficient Approximation" ppt
... conditional random fields (CRFs)and hidden Markov models (HMMs). Petrov andKlein (2008) reported on a syntactic parsing taskthat DPLVM models can learn more compact andaccurate grammars than the ... Proceedings of ACL’06.Slav Petrov and Dan Klein. 2007. Improved infer-ence for unlexicalized parsing. In Human LanguageTechnologies 2007: The Conference of the NorthAmerican Chapter of the Association ... inferencealgorithms on DPLVMs, and the performance ofCRFs. S.A. signifies sentence accuracy. As canbe seen, at a much lower cost, the LDI-A (A signi-fies approximation) performed slightly better thanthe...
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- prediction in chart parsing algorithms
- an island parsing interpreter
- an exact inference algorithm
- efficient parsing for french
- parsing algorithms and metrics
- an efficient generation algorithm
- an earley parsing algorithm
- an efficient algorithm for generating classification rules
- earley an efficient contextfree parsing algorithm
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