... dependency networks, and showed the best contemporary results. Gim ´ enez and M ` arquez (2004) used one-pass, left-to-right and right-to-left combined tagging algorithm and achieved near state-of-the-art ... 2003) and the SVMTool (Gim ´ enez and M ` arquez, 2004). Both systems are trained with the same train- ing data and use configurations optimized for their best reported resu...
Ngày tải lên: 19/02/2014, 19:20
... antiparallel b-strands is abutted by three a-helices (a1, a2, and a¢). The b-sheet in type I KH domains consists of three b-strands in the order b1, b¢ and b2. The b1-strand and b2-strand are parallel to ... other, and the b¢-strand is antiparallel to both (Fig. 1). This all-antiparallel arrangement of strands distinguishes the type I KH fold from the type II KH fold, in which the b1-...
Ngày tải lên: 07/03/2014, 05:20
Tài liệu Báo cáo khoa học: "Names and Similarities on the Web: Fact Extraction in the Fast Lane" ppt
... and the validation and ranking of candidate facts. The evaluation mea- sures the quality and coverage of facts extracted from one hundred million Web documents, starting from ten seed facts and ... disabled, and the ranking of patterns and facts follows strictly the criteria and scoring functions from (Thelen and Riloff, 2002), which are also used in slightly different form in...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "A High-Accurate Chinese-English NE Backward Translation System Combining Both Lexical Information and Web Statistics" pdf
... form of “Mr. and Mrs. Smith”, “Mr. And Mrs. Smith”, and so on. To deal with these aliasing forms, we transform all different forms into a standard form for the later ranking and identification. ... recur- rences, and relative positions) are exploited to give these candidates a score. In the last step, the candidates with higher scores are sent to Google again. Recurrence infor...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "Fast Decoding and Optimal Decoding for Machine Translation" doc
... translation of one or two French words, those located at positions and , from e and e into e and e . If e is a word of fertility 1 and e is NULL, then e is deleted from the translation. If e is the ... search errors, and translation quality in the context of a traditional stack de- coder (Jelinek, 1969; Brown et al., 1995) and two new decoders. The first is a fast greedy decoder,...
Ngày tải lên: 20/02/2014, 18:20
Báo cáo khoa học: "Fast Syntactic Analysis for Statistical Language Modeling via Substructure Sharing and Uptraining" ppt
... auxiliary tools that are both fast and accurate. The result is signif- icant speed improvements and a reduction in word error rate (WER) for both N -best list and the al- ready fast hill climbing ... ENDORSE A CANDIDATE (2) TO AL GORE HAS PROMISED THAT HE WOULD ENDORSE A CANDIDATE (3) AL GORE HAS PROMISE THAT HE WOULD ENDORSE A CANDIDATE (4) SO AL GORE HAS PROMISED THAT HE WOULD ENDORS...
Ngày tải lên: 16/03/2014, 19:20
Tài liệu Báo cáo khoa học: Applications and trends in systems biology in biochemistry docx
... Carbohydrate, glycolysis Lactococcus lactis Modeling Pi explicitly and regulation of pyruvate kinase (by Pi and FBP), PFK (by PEP) and GAPDH (by NADH) are critical to describe observations (rapid increase in PEP, Pi and gradual decrease ... metabolite concentrations and metabolic fluxes, both measured and nonmeasured. A general parameter sensitivity analysis is carried out to deter...
Ngày tải lên: 14/02/2014, 14:20
Tài liệu Báo cáo khoa học: Structure and function of active chromatin and DNase I hypersensitive sites pdf
... H4-K5, K8 and K12 acetylation [136–138]. In yeast, this group is made up of NuA4 and Piccolo NuA4 which both uti- lize Esa1 as the HAT, and Esa1 was found to be essen- tial for H4-K5, K8 and K12 ... acetylation and deacetyla- tion, and transient recruitment of remodellers and transcription factors. A cycle of transcription commences with the recruit- ment of transcription factor...
Ngày tải lên: 14/02/2014, 18:20
Tài liệu Báo cáo khoa học: miRNAs and regulation of cell signaling pptx
... tumors and cell lines, miR-17- 5p and miR-20a are induced in a manner that depends on cyclin D1 and repress the expression of cyclin D1. Hence, miR-17-5p ⁄ 20a and cyclin D1 form a feedback loop and ... transcription factors E2F and Myc but, in turn, miR-17-92 downregulates the expression of E2F and Myc [52]. In tumor progression, the tran- scription repressors ZEB1 and SIP1...
Ngày tải lên: 14/02/2014, 19:20
Tài liệu Báo cáo khoa học: MicroRNAs and epigenetics doc
... cancer. DNMT 3A and 3B DNMTs 1, 3A, and 3B are key DNA methylation enzymes. Recent studies in human cells have demon- strated that PRC2 and DNMTs are physically and functionally linked [76], and that ... (Mathworks, Natick, MA, USA), we compared localization and strand direction between miRNAs and transcripts (Refseq genes and mRNAs). Intragenic and intergenic miRNAs were de...
Ngày tải lên: 14/02/2014, 19:20