Báo cáo khoa học: "FUNCTIONAL UNIFICATION GRAMMAR: A FORMALISM FOR MACHINE TRANSLATION" doc

... FUNCTIONAL UNIFICATION GRAMMAR: A FORMALISM FOR MACHINE TRANSLATION Martin Kay Xerox Palo Alto Research Center 3333 Coyote Hill Road Palo Alto California 94304 and CSLI, Stanford Abstract ... Functional Unification Grammar provides an opportunity to encompass within one formalism and computational system the parts of machine translation systems that have usually been treated separately, ... steps in a carefully prescribed order. • These advantages are available in large measure through a class of formal devices that are slowly gaining acceptance in linguistics and which are based...

Tài liệu Báo cáo khoa học: "Fast Decoding and Optimal Decoding for Machine Translation" doc

... California Stanford University4676 Admiralty Way, Suite 1001 Stanford, CA 94305Marina del Rey, CA 90292 jahr@cs.stanford.edugermann,knight,marcu,kyamada @isi.eduAbstract A good decoding algorithm ... transform a decoding problem in-stance into a TSP instance? If so, we may takegreat advantage of previous research into efﬁcientTSP algorithms. We may also take advantage ofexisting software ... selection as an inte-ger program. Here we adapt a subtour eliminationstrategy used in standard TSP. We create a binary(0/1) integer variable for each pair of hotelsand . if and only if travel...

Báo cáo khoa học: "Disambiguating Temporal–Contrastive Discourse Connectives for Machine Translation" docx

... con-nective and A a placeholder for all the other words.Punctuation is important for locating connectives asmany of them are subordinating and coordinatingconjunctions, separated by commas (Haddow, ... lastresult for all 8 temporal–contrastive connectivesreports a six-way classiﬁcation of senses very closeto one another: the accuracy and kappa values arewell above random agreement and prediction ... Connectives for Machine TranslationThomas MeyerIdiap Research Institute / Martigny, SwitzerlandEPFL - EDEE doctoral school / Lausanne, SwitzerlandThomas.Meyer@idiap.chAbstractTemporal–contrastive...

Báo cáo khoa học: "Improved Word-Level System Combination for Machine Translation" doc

... Combination for Machine TranslationAntti-Veikko I. Rosti and Spyros Matsoukas and Richard SchwartzBBN Technologies, 10 Moulton StreetCambridge, MA 02138arosti,smatsouk,schwartz @bbn.comAbstractRecently, ... combination.Unlike speech recognition, current statistical ma-chine translation (MT) systems are based on variousdifferent paradigms; for example phrasal, hierarchi-cal and syntax-based systems. ... skeleton, aligning “cat sitting on the mat” and“hat on a mat” against it might yield the followingalignments:cat sat the matcat sitting on the mathat on a matwhere represents a NULLword. In graphical...

Báo cáo khoa học: "Functional Unification Grammar Revisited" doc

... implementation is also exaggerated since it was computed using real time on a faster machine too. Gabriel's benchmarks arc not available for PSL on the IBM 4381, 7 but we are able to make a fair ... system, as is done in NIGEL, is more appropriate. In fact, this ability was implemented as part of a FUG in TELEGRAM [I]. But for global constraints for which information is available in the grammar, ... FUG. Such an ability is attractive because it means that the constraint can be stated once in the grammar and can be applied to a number of different syntactic rules. In contrast, m augmented...

Tài liệu Báo cáo khoa học: "Text Alignment in a Tool for Translating Revised Documents" docx

... Introduction Making use of previously translated texts is a very appealing idea that can be of considerable prac- tical and economical benefit as a translation aid. There are different ways to exploit ... Nationalization Situations where a document needs re-translation are usually associated with commercial products that undergo modifications and revisions and require ac- companying literature ... order. To augment it, more information is considered. The actual score for de- ciding that two paragraphs are matched also takes into consideration a sequence of paragraphs imme- diately preceding...

Báo cáo khoa học: "Discriminative Modeling of Extraction Sets for Machine Translation" pptx

... alignment A t. A g= arg min A ITG(e,f) |A ∪ A t− A ∩ A t| (3)Inference details appear in Section 4.3.Given A gand A m, we update the model param-eters away from A mand toward A g.θ ... links have a preciseinterpretation that dictates what phrasal translationrules can be extracted from a sentence pair. Thismapping allows us to train with existing annotateddata sets and use ... the Annual Conference of theAssociation for Computational Linguistics.Matti K¨ a ¨ari¨ainen. 2009. Sinuhe—statistical machine translation using a globally trained conditional ex-ponential...

Báo cáo khoa học: "Learning Non-Isomorphic Tree Mappings for Machine Translation" pptx

... other quantities (Goodman, 1999). One canalso apply agenda-based parsing strategies. For a ﬁxed grammar, the runtime and space are onlyO(n) for a tree of n nodes. The grammar constant is thenumber ... wordsalad. Their alignment and translation accuracy improveswhen they are forced to translate shallow phrases as con-tiguous, potentially idiomatic units (Och et al., 1999).Several researchers ... context-freegrammar (Wu, 1997; Alshawi et al., 2000; Yamada andKnight, 2001). This means that a sentence and its trans-lation must have isomorphic syntax trees, although theymay have different...

Báo cáo khoa học: "Computing Lattice BLEU Oracle Scores for Machine Translation" potx

... Imple-mentation and Application of Automata, pages 11–23.Michael Auli, Adam Lopez, Hieu Hoang, and PhilippKoehn. 2009. A systematic analysis of translationmodel search spaces. In Proc. of WMT, pages ... BLEU: a method for auto-matic evaluation of machine translation. In Proc. ofthe Annual Meeting of the ACL, pages 311–318.Alexander M. Rush, David Sontag, Michael Collins,and Tommi Jaakkola. ... EMNLP, pages 620–629, Stroudsburg, PA, USA.Marco Turchi, Tijl De Bie, and Nello Cristianini.2008. Learning performance of a machine trans-lation system: a statistical and computational anal-ysis....

Báo cáo khoa học: "THE SPECIFICATION OF TIME MEANING FOR MACHINE TRANSLATION" pot

... operator AT that takes an interval and a formula to yield another formula, with the following interpretation: W(AT(I~O)=I at whatever time t if÷ W(O)=I at the interval I. (ii~ Temporal predicates ... that take an interval to yield a formula, e.g., W(yesterday(1))=1 iff the interval I is a subset of yesterday. 35 (iii) Temporal relations that take two intervals to yield a formula, ... a duration adverbial that denotes an interval that is larger than the interval denoted by the when-adverbial, then tense X can be used to express the durative aspect. Similar criteria have...

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