Báo cáo khoa học: A study on genomic distribution and sequence features of human long inverted repeats reveals species-speciﬁc intronic inverted repeats pptx

... Journal 276 (2009) 1986–1998 ª 2009 The Authors Journal compilation ª 2009 FEBS A study on genomic distribution and sequence features of human long inverted repeats reveals species-speciﬁc intronic ... also show that inverted repeats areessential for the initiation of DNA replication in plas-mids, bacteria, eukaryotic viruses and mammalian cells[24]. The inverted repeats in introns are able ... transcriptioninitiation of genes, initiation of DNA replication and alternative splicing of exons. The small interference(si)RNA genes active in RNA interference comprise inverted repeats capable of...

Báo cáo khoa học: "A Study on Automatically Extracted Keywords in Text Categorization" doc

... profes-sional indexers are used as a gold standard, thatis, the manual keywords are treated as the one and only truth. The evaluation measures are preci-sion (how many of the automatically assigned ... experiments.The approach taken to the automatic keywordextraction is that of supervised machine learning, and the prediction models were trained on man-ually annotated data. No new training was done on ... Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the ACL, pages 537–544,Sydney, July 2006.c2006 Association for Computational Linguistics A Study...

Báo cáo khoa học: "A Study on Convolution Kernels for Shallow Semantic Parsing" pdf

... words and (b) the classification of the argument type, e.g.Arg0 or ArgM in PropBank or Agent and Goalin FrameNet.The standard approach to learn both detec-tion and classification of predicate argumentsis ... ex-ample of a non-linear separable function thatbecomes separable in a superlinear space (Cris-tianini and Shawe-Taylor, 2000).After it was established that the best ker-nel for standard features ... with accuracy higherthan the current argument classification state- of- the-art.Additionally, experiments on FrameNet datahave shown that SVMs are appealing for theclassification of semantic...

Báo cáo khoa học: "A Study on Richer Syntactic Dependencies for Structured Language Modeling" ppt

... SLM wastrained on 20M words of WSJ text automaticallyparsed using the parser in (Ratnaparkhi, 1997), bi-narized and enriched with headwords and NT/POStag information as explained in Section ... to carry over to the test data.2.2 Headword Percolation And BinarizationAs explained in the previous section, the SLM is ini-tialized on parse trees that have been binarized and the non-terminal ... 2001)show that a grammar-based language modelbeneﬁts from interpolation with a 3-grammodel. Strict left-to-right parsing makes iteasy to combine with a standard 3-gram at theword level (Chelba and...

Tài liệu Báo cáo khoa học: A facile method for expression and puriﬁcation of the Alzheimer’s disease-associated amyloid b-peptide pdf

... 5¢-CACAACGCCACCAACCATCAGACCGATGATAGCACCCTTGTTAGAACCCAC-3¢;Ab-start, 5¢-GCGTAGGGTCGACATATGGACGCTGAATTCCGTCACG-3¢;Abstop, 5¢-CCTGCCGAGCTCCTATTACACAACGCCACCAACCATCAG-3¢.The PCR solution was prepared ... and using the following primers: Aba, 5¢-ATGGACGCTGAATTCCGTCACGACTCTGGTTACGAAGTTCACCACCAGAAGCTGGTG-3¢;Abb, 5¢-GTTCACCACCAGAAGCTGGTGTTCTTC GCTGAA GACGT GGGTTCT AACAAGGGTGCT-3¢;Abc, 5¢-CACAACGCCACCAACCATCAGACCGATGATAGCACCCTTGTTAGAACCCAC-3¢;Ab-start, ... enzyme, and contained Aba, Abb and Abcat40 nm each, and the start and stop primers Abstart and Abstop at 600 nm each, and 200 lm each of dATP, dCTP,dGTP and dTTP. The product was separated from...

Báo cáo khoa học: A novel G-quadruplex motif modulates promoter activity of human thymidine kinase 1 docx

... that parallel-stranded G-quadruplex-es give a positive peak at 260 nm and a negative peakat 240 nm, whereas antiparallel-stranded G-quadru-plexes give a positive peak at 290–295 nm and a nega-tive ... G-to -A mutation that was designed tospeciﬁcally disrupt potential quadruplex formation didnot induce a signiﬁcant conformational change. A slightly faster migration of TKQ2 and TKQ2m than of dT22 ... kinase 1Richa Basundra1,*, Akinchan Kumar1,*, Samir Amrane2,*, Anjali Verma1, Anh Tuaˆn Phan2 and Shantanu Chowdhury1,31 Proteomics and Structural Biology Unit, Institute of Genomics...

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... publicly available datasets and a number of them repeatedly demonstrated significant in-creases in accuracy compared to other state -of- the-art approaches. We demonstrated that for accurateclassification ... LIBLINEAR library (Fan etal., 2008). We use a linear kernel and defaultparameters. All results are based on leave-oneout cross validation accuracy. The reason for thischoice of cross-validation ... that standard topic-based classification and that using a SVM classifier with binary unigram-based features produces the best results. A subsequent innovation was the detection and removal of...

Báo cáo khoa học: A study of microRNAs in silico and in vivo: diagnostic and therapeutic applications in cancer pot

... MINIREVIEW A study of microRNAs in silico and in vivo: diagnostic and therapeutic applications in cancerScott A. Waldman1 and Andre Terzic21 Departments of Pharmacology and Experimental Therapeutics ... S, Cordon-Cardo C,Lowe SW, Hannon GJ et al. (2005) A microRNA poly-cistron as a potential human oncogene. Nature 435,828–833.39 Hayashita Y, Osada H, Tatematsu Y, Yamada H, Yana-gisawa K, ... recent addition to the hierarchical spectrum of molecular mechanisms deﬁning nuclear–cytoplasmicinformation exchange [12] and forms the interfaceamong transcriptional, translational and post-transla-tional...

Báo cáo khoa học: A study of microRNAs in silico and in vivo: bioimaging of microRNA biogenesis and regulation doc

... developmental stages and thechanges of these networks in disease and after applica-tion of a variety of therapeutic strategies. Critically,the noninvasive imaging approach of miRNA genera-tion and ... for target identiﬁcation and for elucidatingthe functional relationship between miRNA and itstargets (Fig. 1F) [13,24–28]. Computer databaseprograms, such as the PicTar database, offer an easyapproach ... general, the func-tional actions of miRNAs in mammalian cells, unlikeplant cells, are associated with the translational inhibi-tion of target mRNAs by binding miRNA to the seedregion of the target...

Báo cáo khoa học: "A Note on the Translation of Swahili into English" pot

... the Translation Scheme Three dictionaries are envisaged: a stem dictionary, a prefix dictionary, and a suffix dictionary. If one were dealing with suffixes only (rather than with suffixes and ... Bundoora, Victoria, Australia Some features of the morphology of Swahili are discussed from the point of view of mechanizing a dictionary. A preliminary program is described. 1. Basic Features of ... [Mechanical Translation and Computational Linguistics, vol.11, nos.1 and 2, March and June 1968] A Note on the Translation of Swahili into English by David Woodhouse, La Trobe University,...

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