Báo cáo khoa học: "Interactive grammar development with WCDG

Báo cáo khoa học: "Interactive grammar development with WCDG" pptx

... has been achieved. 4 Grammar development with XCDG The development of a parsing grammar based on declarative constraints differs fundamentally from that of a derivational grammar, because its ... induced grammar re- quires large amounts of training material and the development focuses on global changes to the prob- ability model, a handwritten grammar could in prin- ciple be...

Ngày tải lên : 23/03/2014, 19:20

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**Tài liệu Báo cáo khoa học: "Supervised Grammar Induction using Training Data with Limited Constituent Information *" docx**

... labeled with higher-level constituent brackets, a directly induced grammar parses with 70% accuracy, whereas an adapted grammar parses with 72% accuracy, which is 6% lower than the score of a grammar ... a directly induced grammar parses test sentences with 66% accuracy, whereas an adapted grammar parses with 91% accuracy, which is only 2% lower than the score of...

Ngày tải lên : 20/02/2014, 19:20

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Báo cáo khoa học: "Issues Concerning Decoding with Synchronous Context-free Grammar" docx

... NP, with NP NP → PP, romance PP With the change, only the following rule is extracted: NP NPB NNP romance PP IN with NP NPB DT the JJ snowy NN egret 白鹭鸶的爱 Figure 1: A sentence fragment pair with ... a pruning bin with guesses of English words to insert without any source-side lexical evidence. The most obvious way of eliminating problem- atic unary rules would be converting...

Ngày tải lên : 17/03/2014, 00:20

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Báo cáo khoa học: "EFFICIENT INCREMENTAL PROCESSING WITH CATEGORIAL GRAMMAR" docx

... EFFICIENT INCREMENTAL PROCESSING WITH CATEGORIAL GRAMMAR Abstract Some problems are discussed that arise for incremental processing using certain flezible categorial grammars, which in- volve ... allows a subject NP to com- bine with a transitive verb before the verb has com- bined with its object. In (3b), a sentence em- bedding verb is composed with a raised subject NP....

Ngày tải lên : 17/03/2014, 08:20

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Báo cáo khoa học: "Simple, Accurate Parsing with an All-Fragments Grammar" potx

... Representation of Implicit Grammars 2.1 All-Fragments Grammars We consider an all-fragments grammar G (see Figure 1(a)) derived from a binarized treebank B. G is formally a tree-substitution grammar (Resnik, ... coarse grammar G C is a minimal PCFG grammar composed of the base treebank symbols X and the minimal depth-1 binary rules X → Y Z (and with the same level of annotation as...

Ngày tải lên : 23/03/2014, 16:20

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Báo cáo khoa học: "Generating referring expressions with a unification grammar" doc

... irritating. In pursuit of efficiency, ICONOCLAST employs a top-down generator coupled with a unification grammar. The grammar adheres strictly to Oc- cain's razor: features or rules are admitted ... Proceedings of EACL '99 Generating referring expressions with a unification grammar Richard Power Information Technology Research Institute University of Brighton ... th...

Ngày tải lên : 24/03/2014, 03:20

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Tài liệu Báo cáo khoa học: An allosteric DNAzyme with dual RNA-cleaving and DNA-cleaving activities doc

... allosteric DNAzyme with dual RNA-cleaving and DNA-cleaving activities is very challenging. We used an in vitro-selected pistol-like (PL) DNAzyme as a DNA scaffold for designing a DNAzyme with dual catalytic ... As compared with PL DNAzyme, DRc DNA- zyme function seemed to have decreased sensitivity to the reaction temperature. DRc DNAzyme exhibited a broad functional range for temperatu...

Ngày tải lên : 16/02/2014, 15:20

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Tài liệu Báo cáo khoa học: DNA modiﬁcation with cisplatin affects sequence-speciﬁc DNA binding of p53 and p73 proteins in a target site-dependent manner pptx

... cisplatin DNA treatment correlated with the occurrence of sequence motifs forming stable bifunc- tional adducts with the drug (namely, GG and AG doublets) within the target sites. Binding of ... protein with certain response elements can be controlled by changes in DNA topology inducing formation of non-B DNA structures within the binding sites [11,12]. Interactions of p53 with DNA...

Ngày tải lên : 19/02/2014, 05:20

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Tài liệu Báo cáo khóa học: Point mutations associated with insecticide resistance in the Drosophila cytochrome P450 Cyp6a2 enable DDT metabolism doc

... the RDDT R strain were measured with all recombinant proteins, namely testosterone hydroxylation and DDT metabolism. Testosterone was hydroxylated at the 2b position with little quantitative variation ... 271, 1250–1257 (2004) Ó FEBS 2004 doi:10.1111/j.1432-1033.2004.04025.x relation with xenobiotic metabolism or with metabolism of endogenous compounds [24,25]. Models for CYP51 we...

Ngày tải lên : 19/02/2014, 12:20

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Tài liệu Báo cáo khoa học: "Learning to Translate with Multiple Objectives" doc

... rate with targeted human annotation. In AMTA. Valentin I. Spitkovsky, Hiyan Alshawi, and Daniel Juraf- sky. 2011. Lateen em: Unsupervised training with multiple objectives, applied to dependency grammar induction. ... different metrics M k (h) for evaluating the quality of h. Without loss of gen- erality, we assume metric scores are bounded be- tween 0 and 1, with 1 being perfect. Eac...

Ngày tải lên : 19/02/2014, 19:20

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