Tài liệu Báo cáo khoa học: "Parameter Estimation for Probabilistic Finite-State Transducers∗" doc

... Parameter Estimation for Probabilistic Finite-State Transducers ∗ Jason Eisner Department of Computer Science Johns Hopkins ... regexp built up from atomic expressions a : b (for a ∈ Σ ∪ {}, b ∈ ∆ ∪ {}) using concatenation, probabilistic union + p , and probabilistic closure ∗ p . For defining conditional relations, a good ... synchronous PCFGs built for translation. These...

Ngày tải lên: 20/02/2014, 21:20

... a tree transformation based mapping, and (c) a tree trans- ducer that performs the mapping. volve tree transformations either between two trees or a tree and a string. The tree transducer, a formalism ... priors. For our manually set priors, we explore different hyper-parameter set- tings for three different priors, one for each of the main decision types: MR rule, NL pattern, and word...

Ngày tải lên: 19/02/2014, 19:20

... 2009. c 2009 Association for Computational Linguistics EM Works for Pronoun Anaphora Resolution Eugene Charniak and Micha Elsner Brown Laboratory for Linguistic Information Processing (BLLIP) Brown ... 1998). The data annotated for the Ge research is used here for test- ing and development data. Also, there are many overlaps between their formulation of the problem and ours. For...

Ngày tải lên: 22/02/2014, 02:20

... sequential pathway enzymes; for example, Law and Plaxton [10]. (c) Coprecipitation of sequential pathway enzymes; for example, Datta et al. [11]. (d) Isotope dilution; for example, Debnam et al. ... of 14 CO 2 evo- lution from Fru1,6P 2 was twice that for Glu6P and Fru6P, whereas the doubling time of cells grown on the former was about twice as long as it was for growth on the latte...

Ngày tải lên: 19/02/2014, 18:20

... malignant transformation. Lectin microarray – a powerful technology for selection of lectins for cancer glyco-biomarkers The lectin microarray system is an emerging technique for analyzing glycan ... microarray system is the best tool for a ‘cell profiler’, and it is expected to be applicable for selection of cancer-specific lectins and for quality control of stem cells before trans...

Ngày tải lên: 16/02/2014, 08:20

... were assembled with genedoc 2.7 [41]. The tools provided with the ExPASy Molecular Biology Server of the Swiss Institute of Bioinformatics (http:// www.expasy.org) were used for the analyses of DNA ... rates. Prior probabilities for all trees were equal. Metropolis-coupled Markov chain Monte Carlo sampling was performed with one cold and three heated chains that were run for 1 000 000 g...

Ngày tải lên: 18/02/2014, 08:20

... London) for providing the Lanp clone, which was produced from a cDNA originally provided by Dr A. Matilla (ICH, London), Filippo Prischi for help with the gromacs software, and Dr L Masino for helpful ... into the groove formed by the concave surface of the LRR domain. Stabilizing interactions could form between His230 of PP2A-C and Asp119 and Asn94 of Anp32a. A salt bridge could form b...

Ngày tải lên: 18/02/2014, 17:20

... cleft formed by the two domains. A common functional conformational change has been reported in this protein family, which involves switching from an open form to a sugar-transporter bindable form, ... [11,15]. A common drastic conformational change is found in this protein family, which participates in switching from an open form to a closed form [16]. In EcoMBP, the closed form has been obs...

Ngày tải lên: 19/02/2014, 00:20

... IRES complex forma- tion, RACK1 is pushed downwards and forms a con- tact to the rear of the mRNA platform of the 40S subunit, to the region ascribed to the rpS0 protein. The conformational change ... integrin b and other receptors, and it may further serve as a plat- form to recruit ribosomes for local translation of speci- fic mRNAs, for example in focal adhesions [36]. In eukaryotes, a...

Ngày tải lên: 19/02/2014, 17:20

... product P40 of MPN142, formerly called ORF6 gene. Combining mass spectrometry with a method for sulfonating specifically the free amino terminal group of proteins, the cleavage site for a typical signal ... SPase typical for Gram-positive bacteria or for Gram-negative bacteria (such as LepB) has been identified in M. pneumoniae, although a SPase I activity has been shown to be essential...

Ngày tải lên: 19/02/2014, 18:20