Báo cáo khoa học: "A Part of Speech Estimation Method for Japanese Unknown Words using a Statistical Model of Morphology and Context" pptx

... A Part of Speech Estimation Method for Japanese Unknown Words using a Statistical Model of Morphology and Context Masaaki NAGATA NTT Cyber Space Laboratories 1-1 Hikari-no-oka Yokosuka-Shi ... katakana-kanji kanji-hiragana hiragana kanji-katakana kat akana-symbol-katakana number kanji-hiragana-kanji alphabet kanji-hir agana-kanji-hir agana hiragana-kanji percent 45.1% 11.4% ... origin words and Japanese words semantically equivalent to Chinese characters. Hiragana and katakana are syllabaries: The former is used primarily for gram- matical function words, such as particles...

Báo cáo khoa học: Selecting cells with different Alzheimer’s disease c-secretase activity using FACS Differential effect of presenilin exon 9 deletion on c- and e-cleavage doc

... (a gift from G. E. O. Muscat, University of Queensland,St Lucia, Australia) with primer 3a (5¢-GGTGATGCTGAAGAAGAAACAGTACATGAAGCTACTGTCTTCTATCG-3¢) and primer 4 (5¢-GCTCTAGAGCTTCACGGATGCATTATCGATGGGCTC-3¢). ... RNA PCR Core kit from Perkin Elmer(Roche) and primers 11 (5¢-CTAGCTAGCATGACAGAGTTACCTGCACC-3¢ )and1 2(5¢-ATAGTTTAGCGGCCGCTAGATATAAAATTGATGGAATGC-3¢)wereused to amplify presenilin DNA. DNA sequencing ... (for the release of Ab40)42), and 49 cleavage, or e cleavage, of APP. The precise cleavage mechanism is unknown and data using PS1 dominant-negative aspartate mutations havebeen controversial. We...

Báo cáo khoa học: "Automatic Part-of-Speech Tagging for Bengali: An Approach for Morphologically Rich Languages in a Poor Resource Scenario" pdf

... Morphologically Rich Languages in a Poor Resource Scenario Sandipan Dandapat, Sudeshna Sarkar, Anupam Basu Department of Computer Science and Engineering Indian Institute of Technology Kharagpur ... 20K and 40K words) of the training data to understand the relative perform-ance of the models as we keep on increasing the size of the annotated data. 3.1 Training Data The training data includes ... instead of using only for rare words as is described in Ratnaparkhi (1996). This can be explained by the fact that due to small amount of annotated data, a significant number of instances...

Tài liệu Báo cáo khoa học: "ModelTalker Voice Recorder – An Interface System for Recording a Corpus of Speech for Synthesis" ppt

... recording and labeling of large cor-pora of speech, making it useful for speech and linguistic research, and it provides imme-diate feedback on pronunciation, thus making it useful as a clinical ... rerecord an unacceptable utterance. Recordings are automatically labeled and saved and a speech database is created from these recordings. The system’s intention is to make the process of recording ... Individuals with difficulty speak-ing can be any age, gender, and from any part of the country, with regional dialects and idiosyncrat-ic variations. Each individual deserves to speak with a voice...

Báo cáo khoa học: "Unsupervised Part-of-Speech Tagging Employing Efficient Graph Clustering" ppt

... Existing Approaches There are a number of approaches to derive syntactic categories. All of them employ a syntactic version of Harris’ distributional hypothesis: Words of similar parts of speech ... statistical dependence on 5% level), and at least four shared neighbours of A and B on each side. Only words with a frequency rank higher than 2,000 are taken into account. Again, we obtain ... than the method used for partitioning 1, as only words that share at least one neighbour have to be compared and therefore can handle more words with reasonable computing time. Combination...

Báo cáo khoa học: "Unsupervised Part-of-Speech Tagging with Bilingual Graph-Based Projections" doc

... that we have access to paralleldata with a resource-rich language. This scenario isapplicable to a large set of languages and has beenconsidered by a number of authors in the past (Al-shawi ... learning approaches have advanced thestate -of- the-art on a variety of tasks in natural lan-guage processing, resulting in highly accurate sys-tems. Supervised part- of- speech (POS) taggers, for ... describe a novel approach for inducingunsupervised part- of- speech taggers for lan-guages that have no labeled training data, buthave translated text in a resource-rich lan-guage. Our method...

Báo cáo khoa học: "Predicting Part-of-Speech Information about Unknown Words using Statistical Methods" pptx

... Predicting Part- of- Speech Information about Unknown Words using Statistical Methods Scott M. Thede Purdue University West Lafayette, IN 47907 Abstract This paper examines the feasibility of using ... feasibility of using sta- tistical methods to train a part- of- speech pre- dictor for unknown words. By using statistical methods, without incorporating hand-crafted linguistic information, the predictor ... value of information sources such as affixes and context is discussed. This part- of- speech predictor will be used in a part- of- speech tagger to handle out -of- lexicon words. 1 Introduction Part- of- speech...

Báo cáo khoa học: Two conserved domains in regulatory B subunits mediate binding to the A subunit of protein phosphatase 2A pdf

... B56, and PR72-type Bsubunits in organisms as diverse as Neurospora crassa,Candida tropicalis, Dictyostelium discoideum, Medicagovaria (alfalfa), Arabidopsis t haliana, Oryza sativa (rice),Caenorhabditis ... [buffer A containing 0.1% nonidetp40 (NP-40) and 0.25% BSA] and 20 lLofapre-washed 1 : 1 slurry of glutathione±Sepharose (AmershamPharmacia) was added. Incubation continued f or 2 h at4 °C ... Huntsman Cancer Institute, and 2Department of Pediatrics,University of Utah, Salt Lake City, UT, USAProtein phosphatase 2A (PP 2A) is an abundant heterotri-meric serine/threonine phosphatase...

Tài liệu Báo cáo khoa học: The splicing factor ASF/SF2 is associated with TIA-1-related/ TIA-1-containing ribonucleoproteic complexes and contributes to post-transcriptional repression of gene expression doc

... anti-HATIAR-flagBOIP-flagHA-hnRNP MRNaseAWB anti-flagWB anti-HAHA TIAR Merged DAPITIAR-flagBOIP-flagHA-DDX21RNaseAWB anti-flagWB anti-HABHA-ASF/SF2HA-p68HA-hnRNP MHA-DDX21Fig. 2. (A) Analysis of the identiﬁed ... Laboratories; Invitrogen), goat anti-TIAR C18 and anti-eiF3b (Santa Cruz Biotechnology,Santa Cruz, CA, USA) sera; at a dilution of 1 : 5000 for mouse anti-FLAG M2 serum; and at a dilution of ... ﬁxed and stained with mouse anti-HA and goatanti-TIAR sera. Secondary Alexa594-coupled donkey anti-mouse (red) and FITC-coupled anti-goat sera (green) wereused to reveal HA-tagged proteins and...

Tài liệu Báo cáo khoa học: Four divergent Arabidopsis ethylene-responsive element-binding factor domains bind to a target DNA motif with a universal CG step core recognition and different ﬂanking bases preference pptx

... cold-, drought- and ABA-regulatedgene expression. Plant Mol Biol 24, 701–713.15 Prabakaran P, An J, Gromiha M, Selvaraj S, UedairaH, Kono H & Sarai A (2001) Thermodynamic database for protein-nucleic ... were aligned computationally and the appearance of a base at each position in a motif was presented as a percentage fre-quency of all four kinds of base. The base with a frequency higherthan ... sequences of the activation domain of viral protein 16 and the yeast GAL4 DBD. The reporter and twoeffectors in a ratio of 1 : 1 : 1 were cotransformed into plant tissue;the remainder was the same as...

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