... labeling. At the same time, we select samples of high confidence score from the rest and consider them correct E-C pairs. We then merge the labeled set with the high- confidence set in the PSM ... pairs from the Web at the same time. Conceptually, the adaptive learning is carried out as follows. We obtain bilingual snippets from the Web by iteratively submitting qu...
Ngày tải lên: 31/03/2014, 01:20
... pairs, where the translation of the in-parenthesis terms is a suffix of the pre-parenthesis text. The lengths and frequency counts of the suffixes have been used to determine what is the translation ... our modified version of the competitive link- ing algorithm, the link score of a pair of words is the sum of the φ 2 scores of the words themselves, their prefixes...
Ngày tải lên: 17/03/2014, 02:20
Báo cáo khoa học: "Semantic Class Learning from the Web with Hyponym Pattern Linkage Graphs" pdf
... progresses. Initially, the seed is the only trusted class member and the only vertex in the graph. The bootstrapping process begins by instan- tiating the doubly-anchored pattern with the seed class ... hyponym patterns to extract class instances from the web and then evalu- ates them further by computing mutual information scores based on web queries. The work by (Widdows...
Ngày tải lên: 17/03/2014, 02:20
Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx
... hypernym relations from the web. We compare our approach with hypernym ex- traction from morphological clues and from large text corpora. We show that the abun- dance of available data on the web enables obtaining ... A, B and C are siblings of each other Here, sibling refers to the relative position of the words in the hypernymy tree. Two words are sib- lings of each other...
Ngày tải lên: 17/03/2014, 04:20
Tài liệu Báo cáo khoa học: An alternative transcript from the death-associated protein kinase 1 locus encoding a small protein selectively mediates membrane blebbing pdf
... supporting the existence of a protease that cleaves s-DAPK-1 protein in vivo. The reason why the cleavage band was not observed in this assay may be the rapid degradation of the purified protein from the cell ... that cross- talk to the DAPK-1 pathway. Therefore, we evaluated the homology of the ankyrin-repeat region of DAPK-1 with other genes in the human genome using t...
Ngày tải lên: 18/02/2014, 17:20
Tài liệu Báo cáo khoa học: Fatty acid desaturases from the microalga Thalassiosira pseudonana pptx
... and other proteins involved at the biochemical level. Such a situation now exists for dis- covery of genes involved in PUFA biosynthesis follow- ing the completion of the genome sequence of the ... in the TpdesO gene. The amino acid sequence of PtDEL5 and TpDESO exhibited 63% identity, sug- gesting that TpDESO could catalyse the D 5 -desatura- tion step in the PUFA biosyntheti...
Ngày tải lên: 20/02/2014, 01:20
Báo cáo khoa học: Small peptides derived from the Lys active fragment of the mung bean trypsin inhibitor are fully active against trypsin pptx
... to the active core of the fragment, was synthesized. Both the recombinant and the synthesized peptides had the same inhibitory activity toward trypsin at a molar ratio of 1 : 1, implying that the ... several BBIs from other leguminous dicotyledons (Fig. 2). The MBTI gene (GeneBank accession number AY251011) was then amplified from total genomic DNA, demonstrating that there i...
Ngày tải lên: 15/03/2014, 09:20
Báo cáo khoa học: Nitric oxide formation from the reaction of nitrite with carp and rabbit hemoglobin at intermediate oxygen saturations pdf
... sampled from the caudal vessels into heparinized syringes. Freshly drawn blood from rabbit (Oryctolagus cuniculus) was obtained from the Biomedical Laboratory, University of Southern Denmark. The ... reflect the faster reaction of nitrite with deoxy hemes in the R structure than in the T structure [19,20]. Thus, the reaction rate was not maximal at the start of the reac...
Ngày tải lên: 16/03/2014, 06:20
Báo cáo khoa học: Antioxidant Dps protein from the thermophilic cyanobacterium Thermosynechococcus elongatus An intrinsically stable cage-like structure endowed with enhanced stability potx
... 94–96). The first two are positioned on the N-terminal tail and the third is on the BC loop, located on the surface of the molecule in the assembled protein. Monomer fold and dodecameric assembly The ... al. The thermostable T. elongatus Dps FEBS Journal 273 (2006) 4913–4928 ª 2006 The Authors Journal compilation ª 2006 FEBS 4915 the CD loop, the beginning of the D he...
Ngày tải lên: 16/03/2014, 12:20
Báo cáo khoa học: Characterization of oligosaccharides from the chondroitin/dermatan sulfates 1 H-NMR and 13 C-NMR studies of reduced trisaccharides and hexasaccharides doc
... GalNAc6S(b1– 4)GlcA(b1–3)GalNAc6S-ol. The full assignment of all signals in the NMR spectra are given, and these data permit the further characterization of CS ⁄ DS chains and their nonreducing capping structures. Abbreviations CS, ... is required as part of the examination of function for these species. Data from other GAG fragments has already proved valuable in the study of int...
Ngày tải lên: 16/03/2014, 14:20