... take note of three lemmas for IITGs (proofs omitted): Lemma l For any inversion-invariant transduction grammar G, there exists an equivalent inversion- invariant transduction grammar G' ... G' contains no productions of the form A ~ e/e. Lemma2 For any inversion-invariant transduction grammar G, there exists an equivalent inversion- invariant transduction gratrm~r G' where ... right-hand side of any production of G' contains either a single terminal- pair or a list of nonterminals. Lemma3 For any inversion-invariant transduction grammar G, there exists an equivalent...
Ngày tải lên: 20/02/2014, 22:20
... III PERFORMANCE OF THE ALGORITHM The algorithm as described has been implemented in Simula 67 on a DEC ELI091 and applied to a corpus of some 300 words in 75 languages and dialects of Vanuatu. ... (Abramowitz and Stegun 1970). B. Vowel/Consonant Correspondences Disallowing correspondences between vowels and consonants vastly improved the performance of the algorltbm. No human intervention ... AN ALGORITHM FOR IDENTIFYING COGNATES BETWEEN RELATED LANGUAGES Jacques B.M. Guy Linguistics Department (RSPacS) Australian National University GPO Box 4, Canberra 2601 AUSTRALIA...
Ngày tải lên: 21/02/2014, 20:20
Báo cáo khoa học: "An Algorithm For Generating Referential Descriptions With Flexible Interfaces" pdf
... cases are not problematic, for instance, when two descriptors achieve unique identifi- cation and can be expressed by a simple noun phrase consisting of a head noun and an adjective. In more complex ... p and false otherwise Table 2: Functions used in the algorithm 210 Major problems for the future are an even tighter inte- gration of the algorithm in the generation process as a whole and ... p is prototypical for referent r and false otherwise yields the set of predicates entailed in N and holding for referent r yields properties which map onto the set of uninstantiated slots in...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "AN ALGORITHM FOR GENERATION IN UNIFICATION CATEGORIAL GRAMMAR" pdf
... appearance of a variable can only be further instanfiated by a semantic individual constant and so the semantic representation after generation cannot be further instantiated in such a way that ... of an expression and generating the arguments to that functor. In the presentation of the basic algorithm below we will make the simplifying assumption that for any formula of the semantic ... of such algorithms is as fundamentally important as the corresponding work on parsing algorithms. We also discuss the properties of a semantic representation language (SRL) and the manner of...
Ngày tải lên: 09/03/2014, 01:20
Báo cáo khoa học: "An Algorithm for Unsupervised Transliteration Mining with an Application to Word Alignment" ppt
... non-transliteration pairs than transliter- ation pairs. We don’t want to maximize the like- lihood of the non-transliteration pairs. Instead we want to optimize the transliteration performance for test ... filtering model and the transliteration model. In section 3, we present our iterative transliteration mining algorithm and an al- gorithm which computes a stopping criterion for the mining algorithm. ... its performance is similar to or better than many of the semi-supervised systems on three language pairs. We are only aware of one previous work which uses transliteration information for word...
Ngày tải lên: 23/03/2014, 16:20
Báo cáo khoa học: "AN ALGORITHM FOR PLAN RECOGNITION COLLABORATIVE DISCOURSE*" pot
... several graph-based algorithms derived from his formal model of plan recognition. In Kautz's algorithms, an explanation for an observation is represented in the form of an explanation graph ... modelling this information and have provided an algorithm for constructing and reasoning with it. The steps of the construction algorithm parallel the reasoning that an agent performs in determining ... like to thank Cecile Balkanski, Barbara Grosz, Stuart Shieber, and Candy Sidner for many helpful discussions and comments on the research presented in this paper. REFERENCES Allen, J. and Perrault,...
Ngày tải lên: 23/03/2014, 20:20
Báo cáo khoa học: "AN ALGORITHM FOR FINDING NOUN PHRASE CORRESPONDENCES IN BILINGUAL CORPORA" pptx
... stances of the English collocation are found and the mutual information is calculated between the instances and various single word candidates in aligned French sentences. The highest ranking ... DARPA Speech and Natural Language Work- shop, pages 152-157, Pacific Grove, CA., Febru- ary 1991. Morgan Kaufmann. [Gale and Church, 1991b] W. A. Gale and K. W. Church. A program for aligning ... phrases for both languages. Noun phrases are then mapped to each other using an iterative re-estimation algorithm that bears similarities to the Baum-Welch algorithm which is used for train-...
Ngày tải lên: 31/03/2014, 06:20
Báo cáo khoa học: "AN ALGORITHM FOR GENERATING NON-REDUNDANT QUANTIFIER SCOPINGS" pptx
Ngày tải lên: 01/04/2014, 00:20
Báo cáo hóa học: " Research Article An Algorithm for Detection of DVB-T Signals Based on Their Second-Order Statistics" doc
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " An Algorithm for Motion Parameter Direct Estimate Roberto Caldelli" doc
Ngày tải lên: 23/06/2014, 01:20
Báo cáo y học: " Derivation and preliminary validation of an administrative claims-based algorithm for the effectiveness of medications for rheumatoid arthritis"
... used for the analysis were from the administrative claims data. To test the performance of the effectiveness algorithm and to see whether it was similar for non-biologic RA treatments, we performed ... made substantial contributions to conception and design, and to the analysis and interpretation of the data. TRM and GWC handled acquisition of data. All authors contributed to the manuscript ... optimization of the algorithm would be desirable, but substantially more data would be required for this approach and for validation. Finally, as an additional opportunity to extend the algorithm in...
Ngày tải lên: 25/10/2012, 10:45
Tài liệu Báo cáo khoa học: "An Improved Redundancy Elimination Algorithm for Underspecified Representations" pdf
... Proceedings of COLING’02. K. van Deemter and S. Peters. 1996. Semantic Ambiguity and Underspecification. CSLI, Stanford. E. Vestre. 1991. An algorithm for generating non-redundant quantifier scopings. In ... semantics: An introduction. Journal of Language and Computation. To appear. M. Egg, A. Koller, and J. Niehren. 2001. The Constraint Language for Lambda Structures. Logic, Language, and Information, ... rules. For instance, proper names and pronouns (which the ERG analyses as scope- bearers, although they can be reduced to constants without scope) can be permuted with anything. In- definites and...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "An alternative LR algorithm for TAGs" docx
... for composing trees. Many modern types of TAG also allow tree substitution next to adjunc- tion. Our algorithm can be straightforwardly extended to handle tree substitution. The main changes ... CS(N), for each N; • (N, L) • CS(N), for each N such that N <~* l, and each L • Af*; • N • CS(N), for each N such that -~(N<~*l); and • for each N, children(N) = MI""Mm and ... 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...
Ngày tải lên: 20/02/2014, 18:20
Tài liệu Báo cáo khoa học: "An Efficient Generation Algorithm for Lexicalist MT" ppt
... wish to thank our colleagues Kerima Benkerimi, David Elworthy, Peter Gibbins, Inn Johnson, Andrew Kay and Antonio Sanfilippo at SLE, and our anonymous reviewers for useful feedback and discussions ... 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 ... component has performed consistently better. References V. Allegranza, P. Bennett, J. Durand, F. van Eynde, L. Humphreys, P. Schmidt, and E. Steiner. 1991. Linguistics for Machine Translation:...
Ngày tải lên: 20/02/2014, 22:20
Tài liệu Báo cáo khoa học: "AN EXTENDED LR PARSING ALGORITHM FOR GRAMMARS USING FEATURE-BASED SYNTACTIC CATEGORIES " pot
... pe,forms instanliation tit)ring parsing. Some details of the LR parsing algorithm are assumed from Aho and Ullman (1987) and Aho and Johnson (1974), and more formal definitions and notations ... Carl and Ivan A. Sag 1987. Information-Based Syntax and Semantics VoI.1. CSLI Lecture Notes 13. Stanford: CSLI. Shieber, S. 1985. "Using Restriction to Extend Parsing Algorithms for ... AN EXTENDED LR PARSING ALGORITHM FOR GRAMMARS USING FEATURE-BASED SYNTACTIC CATEGORIES Tsuneko Nakazawa Beckman Institute for Advanced Science and Technology and Linguistics...
Ngày tải lên: 22/02/2014, 10:20
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 ... to instantiate a clause of the grammar, we need to find ranges for all variables in the clause and for all occurrences of terminals. For convenience, we assume the variables in a clause and the ... adjacent variables can be concatenated), it is called an in- stantiated predicate and the result of applying φ to all predicates in c, if defined, is called an instanti- ated clause. We also introduce range...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: "An Optimal-Time Binarization Algorithm for Linear Context-Free Rewriting Systems with Fan-Out Two" ppt
... f(g) are called the rank and fan-out of p, respectively, written r(p) and f(p). The rank and fan-out of G, written r(G) and f(G), respectively, are the max- imum rank and fan-out among all of ... constituents. Many applications use LCFRSs where the fan-out (a measure of the discontinuity of phrases) is not allowed to be greater than 2. We present an ef- ficient algorithm for transforming LCFRS with ... the while loop can be executed in constant time. 5 Discussion We have presented an algorithm for the binariza- tion of a LCFRS with fan-out 2 that does not in- crease the fan-out, and have discussed...
Ngày tải lên: 23/03/2014, 16:21
Báo cáo khoa học: "An efficient algorithm for building a distributional thesaurus (and other Sketch Engine developments)" pdf
... COLING-ACL, pages 768–774. Deepak Ravichandran, Patrick Pantel, and Eduard H. Hovy. 2005. Randomized algorithms and nlp: Using locality sensitive hash functions for high speed noun clustering. In ... Daelemans, Antal van den Bosch, and Jakub Za- vrel. 1999. Forgetting exceptions is harmful in lan- guage learning. Machine Learning, 34(1-3). James Gorman and James R. Curran. 2006. Scaling dis- tributional ... based on corpora of between 50M and 2B words for, at time of writ- ing, Chinese, English, French, Italian, Japanese, Portuguese, Slovene and Spanish. 2 Histograms for presenting statistical facts...
Ngày tải lên: 31/03/2014, 01:20
Báo cáo khoa học: "An Automatic Treebank Conversion Algorithm for Corpus Sharing" potx
Ngày tải lên: 31/03/2014, 06:20
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