Báo cáo khoa học: "Supersense Tagging of Unknown Nouns using Semantic Similarity" pot

Báo cáo khoa học: "Supersense Tagging of Unknown Nouns using Semantic Similarity" pot

Báo cáo khoa học: "Supersense Tagging of Unknown Nouns using Semantic Similarity" pot

... Proceedings of the 43rd Annual Meeting of the ACL, pages 26–33, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics Supersense Tagging of Unknown Nouns using Semantic Similarity James ... which can be alleviated by automati- cally classifying the unknown words. Su- persense tagging assigns unknown nouns one of 26 broad semantic categories used b...
Ngày tải lên : 31/03/2014, 03:20
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Báo cáo khoa học: "Ecological Evaluation of Persuasive Messages Using Google AdWords" pdf

Báo cáo khoa học: "Ecological Evaluation of Persuasive Messages Using Google AdWords" pdf

... performance of each single ad (its persuasiveness, from our point of view): • CTR, Click Through Rate: measures the num- ber of clicks divided by the number of impres- sions (i.e. the number of times ... experimentally exploring other aspects of the wide field of pragmatics. The paper is structured as follows: Section 2 dis- cusses the main advantages of ecological approaches...
Ngày tải lên : 07/03/2014, 18:20
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Báo cáo khoa học: "Unsupervised Learning of Arabic Stemming using a Parallel Corpus" pot

Báo cáo khoa học: "Unsupervised Learning of Arabic Stemming using a Parallel Corpus" pot

... indicates an improvement of 22-38% in average pre- cision over unstemmed text, and 96% of the performance of the proprietary stem- mer above. 1 Introduction Stemming is the process of normalizing word ... phase was adapted to use the sum of the weights of a word in a sentence instead of the count. 2.3 Candidate Stem Scoring As previously mentioned, each word has a list of subs...
Ngày tải lên : 08/03/2014, 04:22
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Báo cáo khoa học: Sequence variants of chicken linker histone H1.a pot

Báo cáo khoa học: Sequence variants of chicken linker histone H1.a pot

... 0 Table 2. Distribution of phenotypes of erythrocyte histone H1.a in progeny from various matings of Rhode Island Red R11 chickens. Type of mating Number of Frequency of phenotypes in progeny (observed ... arrays of nucleosomes are linked together by DNA to form chromatin fibers with a diameter of 10 nm. In bulk chromatin, one molecule of histone H1 binds to a linker DNA seal...
Ngày tải lên : 16/03/2014, 13:20
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Báo cáo khóa học: Functional characterization of the evolutionarily divergent fern plastocyanin potx

Báo cáo khóa học: Functional characterization of the evolutionarily divergent fern plastocyanin potx

... amplitude of the fast phase of the l atter represen ted up to 40% of the total amplitude, with a rate constant (k obs ) independent of Pc concentration (data not shown). From the k obs values of this fast ... directly with the pH gradient in the chromatofocusing step, avo iding the l ast salt gradient. About 3 mg of pure Pc with an absorba nce ratio A 275 /A 590 of 1.27 were obt...
Ngày tải lên : 16/03/2014, 16:20
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Báo cáo khoa học: "Unsupervised Learning of Dependency Structure for Language Modeling" potx

Báo cáo khoa học: "Unsupervised Learning of Dependency Structure for Language Modeling" potx

... is then rescored using a more sophisticated lan- guage model. We use the N-best list of N=100, whose “oracle” CER (i.e., the CER of the hy- potheses with the minimum number of errors) is presented ... number of pa- rameters of the combined model manageable. To overcome the second obstacle, we used an unsu- pervised learning method that discovers the de- pendency structure of...
Ngày tải lên : 17/03/2014, 06:20
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Báo cáo khoa học: "Dependency Parsing of Hungarian: Baseline Results and Challenges" potx

Báo cáo khoa học: "Dependency Parsing of Hungarian: Baseline Results and Challenges" potx

... because of unknown words, style and frequently used grammatical structures). As the fiction subcorpus consists of three books and the law subcorpus consists of two rules, we took half of one of the ... Yoram Singer. 2003. Feature-rich part- of- speech tagging with a cyclic dependency net- work. In Proceedings of the 2003 Conference of the North American Chapter of the Asso...
Ngày tải lên : 17/03/2014, 22:20
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Báo cáo khoa học: Oxidase activity of a flavin-dependent thymidylate synthase pot

Báo cáo khoa học: Oxidase activity of a flavin-dependent thymidylate synthase pot

... conducted in the pres- ence of saturating concentrations of dUMP, to ensure examination of the dUMP-activated form of the enzyme [12,13]. The results revealed that, in the absence of CH 2 H 4 folate, ... concentrations of dUMP (0–200 lm) . Reactions were initiated by addition of NADPH stock solution. The final volume of the reaction mixture was 300 lL. The reduction of FAD an...
Ngày tải lên : 23/03/2014, 04:21
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Báo cáo khoa học: Biochemical analysis of the human DMC1-I37N polymorphism potx

Báo cáo khoa học: Biochemical analysis of the human DMC1-I37N polymorphism potx

... performed in the presence of the DMC1 (6 lM) or DMC1-I37N (6 lM) protein in the same manner as described in (B), except for the presence of the indicated amounts of CaCl 2 . Activity of the human DMC1-I37N ... polymorphism may have the potential to be a source of human infertility. Extensive SNP analyses of the DMC1-I37N polymorphism in the human popu- lation and in sets of infe...
Ngày tải lên : 23/03/2014, 06:20
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Báo cáo khoa học: "A Class of Submodular Functions for Document Summarization" pot

Báo cáo khoa học: "A Class of Submodular Functions for Document Summarization" pot

... document frequency (IDF) of term w (up to bigram), which was calculated as the logarithm of the ratio of the number of articles that w appears over the total number of all articles in the document ... is that of Problem 1. 3.3 Automatic summarization evaluation Automatic evaluation of summary quality is impor- tant for the research of document summarization as it avoids the la...
Ngày tải lên : 23/03/2014, 16:20
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