Báo cáo khoa học: "Language Identification of Search Engine Queries" pdf

... reconsideration of the existing methods built for this problem. Correct identification of the language of the queries is of critical importance to search engines. Major search engines such as Yahoo! Search (www.yahoo.com), ... classifier outperforms some of the best methods that have been proposed for the task of written language identification on the domain of search...

Ngày tải lên: 30/03/2014, 23:20

... large volumes of data can be used to gather world knowledge for natural lan- guage processing. A consequence of this research was the creation of It-Bank , a collection of thou- sands of labelled ... acknowledge support from the Natural Sciences and Engineering Research Council of Canada, the Alberta Ingenuity Fund, and the Alberta Infor- matics Circle of Research Excellence. 17...

Ngày tải lên: 08/03/2014, 01:20

... MALDI-TOF spectra of mycelia (A, C, E) and sporulating mycelia (B, D, F) of three strains of H. jecorina grown on malt agar. The masses displayed have an error of about 0.1%, so peaks of 7232 ... typical MALDI- TOF mass spectra of four strains of H. koningii, T. long- ibrachiatum, H. virens and T. atroviride. The spectra Fig. 1. Alignment of the six hydrophobin protein sequenc...

Ngày tải lên: 19/02/2014, 02:20

... mono- mer with a molecular mass of 27 kDa. This is the first report showing th e presence of a m onomeric aspartate racemase. Its e nzymologic properties, such as its lack of cofactor requirement and ... those described by Hashimoto et al . [13]. One unit of the enzyme was defined as the amount of enzyme that catalyzes the formation of 1 lmol of D -aspartate from L -aspartate p er...

Ngày tải lên: 07/03/2014, 16:20

... functions of human neutrophils. In searching for novel granule proteins, we found a pro- tein consisting of 22 and 42 kDa fragments in fractions from a separation of acid extracts of granulocytes ... FEBS Discussion This study has shown the identification, purification and characterization of a novel protein from acid extracts of granules of neutrophil granulocytes of healthy b...

Ngày tải lên: 16/03/2014, 04:20

... prediction of the N-terminal regions of Ath- PSRP-4h and ZmaPSRP-4h showed arginine-containing amphiphilic helices like those of known mitochondrial transit peptides, whereas the N-termini of PSRP-4 precursors ... sequences of PSRP-4, PSRP-5c (the shortest form of PSRP-5 [2]), PSRP-6 and Thx (manually aligned) and the schematic diagram of a discernible consensus secondary struct...

Ngày tải lên: 17/03/2014, 09:20

... Department of Microbiology, Institute of Water and Wetland Research, Radboud University Nijmegen, the Netherlands Recently, identification of the lithotroph ‘missing from nature’, capable of anaerobic ... iso- thermal part of the temperature program) of fraction CC5 (fraction 5 obtained by prepara- tive column chromatography of the large batch of cell material) of the extra...

Ngày tải lên: 23/03/2014, 15:20

... (nm) of heme absorbance of the oxi- dized forms of GST-fused IZAs. Table S2. Peaks (nm) of heme absorbance of the reduced forms of GST-fused IZAs. Table S3. Results of GST pull-down assay of the incubation ... Okamoto 1,6 1 Department of Molecular Physiological Chemistry, Graduate School of Medicine, Osaka University, Japan 2 Institute of Bioorganic Chemistry, National A...

Ngày tải lên: 30/03/2014, 11:20

... utterance result in sparse coverage of the space of possibilities, unless a very large amount of data can be collected and anno- tated, which is often impractical. Users of the dia- logue system, whose ... number of words in utterances with only a single dialogue act is 7.5 (with a maximum of 34, and minimum of 1), and the average length of utterances with multiple dialogue ac...

Ngày tải lên: 07/03/2014, 22:20

... detoxication enzymes of iso- proturon in spawn and tadpoles of amphibians. Ecotoxi- col Environ Saf 52, 256–266. 13 Brian RC (1964) The classification of herbicides and types of toxicity. In The ... activation of phenoloxidase in the haemolymph of Locusta migratoria in response to injection of immunogens. Insect Biochem Mol Biol 33, 661–670. 52 Liu ZP & Olson EN (2002) Suppre...

Ngày tải lên: 30/03/2014, 15:20