Báo cáo khoa học: "Head-driven Transition-based Parsing with Top-down Prediction" pdf

... confidence-weighted learn- ing. 2 Transition-based parsing Transition-based parsing builds on the idea that parsing can be viewed as a sequence of transitions between states. A transition-based parser ... confidence-weighted classifiers with transition-based dependency pars- ing yields results comparable with the state-of-the- art results achieved with Support Vector Machines...

Ngày tải lên: 20/02/2014, 04:20

... parsing Coarse-to-fine parsing (Charniak et al., 2006) is a technique to speed up parsing by exploiting the information that can be gained from parsing with simpler, coarser grammars—e.g., a grammar with a smaller ... our transformations. Figure 8 compares the parsing times of LCFRS with and without the new CFG-CTF method. The graph shows a steep incline for parsing with LC...

Ngày tải lên: 08/03/2014, 21:20

... chains (Fig. 1b) connect terms without cycles and with a diameter m = |V|  1. 3. Moderately cohesive lexical chains (Fig. 1c) are in-between the above cases with m [1, |V| 1]. To detect ... Clustering within the weak chains. Algorithms for graph clustering divide sparsely connected graphs into dense subgraphs with a similar diameter. We consider each lexical chain in L with...

Ngày tải lên: 20/02/2014, 12:20

... Y to Z" with neutral honorificity, ageru has the viewpoint on X, and burets, the viewpoint on Z. Sasiageru honors Z with the viewpoint on X, and l~udasaru honors X with the viewpoint ... picture are associated with properties; call them P1, P2, and P3, respectively. In the following sublattice, a string in English (EN) or Japanese(JA) is linked to a property with t...

Ngày tải lên: 20/02/2014, 21:20

... 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

... 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 cer- tain 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

... the RDDT R strain were measured with all recombinant pro- teins, namely testosterone hydroxylation and DDT meta- bolism. 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

... of translation edit rate with targeted human annotation. In AMTA. Valentin I. Spitkovsky, Hiyan Alshawi, and Daniel Juraf- sky. 2011. Lateen em: Unsupervised training with multiple objectives, ... 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. Each hypoth- esis h can be...

Ngày tải lên: 19/02/2014, 19:20

... 4-ddma-atc and rescreened for induction with 0.4 lm atc and without inducer on MacConkey agar plates. We screened 17 600 colonies with mutations in helix a1, 29 840 with mutations in helix a4 and 3900 ... repres- sion. TetR i2 -E15A L17V shows repression to 12.5% with 4-ddma-atc and to 58% with atc, thus showing only fivefold improved repression with 4-ddma-atc over atc. A similar...

Ngày tải lên: 20/02/2014, 01:20

... authors also justified their method by showing that with feature hashing, dot- product is unbiased, and the length of each vector is well-preserved with high probability under some conditions. Plausibly ... explain in detail. In NLP, features can be often expediently expressed with strings. For in- stance, a feature ‘the current word ends with -ing’ can be expressed as a string cur:end...

Ngày tải lên: 20/02/2014, 05:20