Báo cáo khoa học: "Estimators for Stochastic "Unification-Based" Grammars*" docx

Báo cáo khoa học: "Estimators for Stochastic "Unification-Based" Grammars*" docx

Báo cáo khoa học: "Estimators for Stochastic "Unification-Based" Grammars*" docx

... well-formed analyses. Each feature f maps a syntactic anal- ysis w E ~ to a real value f(w). The form of a syntactic analysis depends on the underlying linguistic theory. For example, for ... veloping Stochastic "Unification-based" Gram- mars (SUBGs) has not proved as straight- forward as might be hoped. The simple "relative frequency" estimator for PCFGs...
Ngày tải lên : 08/03/2014, 06:20
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Báo cáo khoa học: "Bootstrapping a Stochastic Transducer for Arabic-English Transliteration Extraction" pdf

Báo cáo khoa học: "Bootstrapping a Stochastic Transducer for Arabic-English Transliteration Extraction" pdf

... algorithm on the current training set. 3. Calculate the forward score for all word pairs under consideration. 4. If the forward score for a pair of words is above a predetermined acceptance threshold, ... use a language for which named entity recognition software is readily available as a reference for tagging named entities in a language for which such software is not available. F...
Ngày tải lên : 08/03/2014, 02:21
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Tài liệu Báo cáo khoa học: Looking for the ancestry of the heavy-chain subunits of heteromeric amino acid transporters rBAT and 4F2hc within the GH13 a-amylase family ppt

Tài liệu Báo cáo khoa học: Looking for the ancestry of the heavy-chain subunits of heteromeric amino acid transporters rBAT and 4F2hc within the GH13 a-amylase family ppt

... Mayrose I, Bacharach E & Pupko T (2005) Selecton: a server for detecting evolutionary forces at a single amino-acid site. Bioin- formatics 21, 2101–2103. 39 Da Lage JL, Danchin EG & Casane ... fifth CSR (QPDLN for both human rBAT and Bacil- lus cereus oligo-1,6-glucosidase) [20] (Fig. 2), may indi- cate a shorter evolutionary distance for rBATs from the GH13 ancestor common for...
Ngày tải lên : 18/02/2014, 13:20
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Tài liệu Báo cáo khoa học: Role for nectin-1 in herpes simplex virus 1 entry and spread in human retinal pigment epithelial cells docx

Tài liệu Báo cáo khoa học: Role for nectin-1 in herpes simplex virus 1 entry and spread in human retinal pigment epithelial cells docx

... RT-PCR analysis was performed as described previously. The expected sizes of the PCR products were 1270 bp for HVEM, 738 bp for nectin-1, 616 bp for nectin-2, and 736 bp for 3-OST-3, respectively. ... phalloidin (Invitrogen) was added for F-actin staining at room temperature for 45 min. Finally, the cells were washed three times with 1· NaCl ⁄ P i before micros- copy was performed...
Ngày tải lên : 18/02/2014, 14:20
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Tài liệu Báo cáo khoa học: Evidence for noncooperative metal binding to the a domain of human metallothionein ppt

Tài liệu Báo cáo khoa học: Evidence for noncooperative metal binding to the a domain of human metallothionein ppt

... these papers clearly show domain-specific binding for M 2+ (M ¼ Zn, Cd) initially to the a domain, thereby lead- ing to formation of the M 4 a cluster prior to formation of the M 3 b cluster, demonstrating ... in independent tetra- thiolate sites, the choice for the third incoming metal ion would be to form a bridging interaction in the a domain or to form another independent tetrathiolate...
Ngày tải lên : 19/02/2014, 00:20
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Tài liệu Báo cáo khoa học: Progress for dengue virus diseases Towards the NS2B–NS3pro inhibition for a therapeutic-based approach ppt

Tài liệu Báo cáo khoa học: Progress for dengue virus diseases Towards the NS2B–NS3pro inhibition for a therapeutic-based approach ppt

... vitro systems as supportive medical care and for sympto- matic treatment; they represent an important aid for patients and for improving survival in severe forms of disease. Antiviral therapeutic ... conclusion, considerable effort has recently been made towards inhibiting the viral replication of DENv. Much remains to be performed to achieve results suit- able for experimentation in...
Ngày tải lên : 19/02/2014, 00:20
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Tài liệu Báo cáo khoa học: Enzymes for the NADPH-dependent reduction of dihydroxyacetone and D-glyceraldehyde and L-glyceraldehyde in the mould Hypocrea jecorina doc

Tài liệu Báo cáo khoa học: Enzymes for the NADPH-dependent reduction of dihydroxyacetone and D-glyceraldehyde and L-glyceraldehyde in the mould Hypocrea jecorina doc

... frames using PCR. For the first potential glycerol dehydrogenase gene, we predicted introns in the genomic DNA. For that rea- son, we amplified the open reading frame from cDNA. For the second of ... The tagged protein was purified and then used for further analysis. In the reductive reaction, the Michaelis–Menten con- stant K m for DHA was 1 mm, and the K m for NADPH was 50 lm. The...
Ngày tải lên : 19/02/2014, 06:20
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Tài liệu Báo cáo khoa học: Evidence for interactions between domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocase docx

Tài liệu Báo cáo khoa học: Evidence for interactions between domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocase docx

... indicated above the lanes) were assessed using export assays for TorA (upper panel) or TorA-GFP (lower panel) as described earlier for other mutants (Fig. 2). Mutagenesis of TatABC C. M. L. Barrett ... essential for Tat function. Taking these previ- ous reports into consideration, the logical conclusion is that several residues (F20, G21 in TatA, G21, P22, P26 in TatB) are probably impo...
Ngày tải lên : 19/02/2014, 17:20
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Tài liệu Báo cáo khoa học: "Sentence-For-Sentence Translation: An Example" ppt

Tài liệu Báo cáo khoa học: "Sentence-For-Sentence Translation: An Example" ppt

... decided where in the mechanical translation process the specifier for the output sentence should be formed. As a result part of it is formed during the analysis of the input sentence, another part ... en- vironment required for the translation to 'special offi- cial' of a form of XAC as a constituent in a MBDL is of some complexity as is indicated by the form taken by t...
Ngày tải lên : 19/02/2014, 19:20
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Tài liệu Báo cáo khoa học: "Coreference for Learning to Extract Relations: Yes, Virginia, Coreference Matters" ppt

Tài liệu Báo cáo khoa học: "Coreference for Learning to Extract Relations: Yes, Virginia, Coreference Matters" ppt

... of the Association for Computational Linguistics:shortpapers, pages 288–293, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Coreference for Learning to Extract ... results for generating surface patterns for relation identification; others have explored similar ap- proaches (e.g. Pantel & Pennacchiotti, 2006). Mitchell et al. (2009) sho...
Ngày tải lên : 20/02/2014, 04:20
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