Báo cáo khoa học: "A Statistical Spoken Dialogue System using Complex User Goals and Value Directed Compression" pptx

... LinguisticsA Statistical Spoken Dialogue System using Complex User Goals and Value Directed CompressionPaul A. Crook, Zhuoran Wang, Xingkun Liu and Oliver LemonInteraction LabSchool of Mathematical and ... demonstrationof a statistical spoken dialogue system thatuses automatic belief compression to rea-son over complex user goal sets. Reasoningover the power set of possible user goals al-lows complex ... Table 2: Example dialogue using complex user goals. S =System, U =User. †Old Town is part of the city cen-tre.‡Leith is outside the centre.state space of possible user goals, with the num-ber...

Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt

... example-based dialogue systems and builds its chat capabilities on a dual search strategy over a large collection of dialogue samples. Addi-tional strategies allowing for system adap-tation and learning ... of view, dialogue systems can be categorized into two major classes: task-oriented and chat-oriented. In the case of task-oriented dialogue systems, the main objective of such a system is ... example-based dialogue systems (Murao et al., 2003). Its dialogue strategy is supported by a large database of dialogues that is used to provide candidate responses to a given user input....

Tài liệu Báo cáo khoa học: "A Statistical Model for Unsupervised and Semi-supervised Transliteration Mining" pptx

... pos-itive and negative examples.5.1.1 TrainingWe word-aligned the parallel phrases of the train-ing data using GIZA++ (Och and Ney, 2003), and symmetrized the alignments using the grow-diag-ﬁnal -and ... Unlike the pre-vious unsupervised system, and unlike the super-vised and semi-supervised systems we mentioned,our model can be used for both unsupervised and semi-supervised mining in a consistent ... unsupervised system with theunsupervised system of Sajjad11. Our unsupervised system trained on the word-aligned list shows F-measures of 91.7%, 95.5%, 92.9% and 77.7% whichis 4.3%, 3.3%, 2.8% and...

Tài liệu Báo cáo khoa học: "A Statistical Analysis of Morphemes in Japanese Terminology" docx

... text and terminology, sentences and terms, and words and morphemes, the present work can be re- garded as parallel to the quantitative study of words in texts (Baayen, 1991; Baayen, 1993; Mandelbrot, ... G(pj+l ) around PJ, and 0 otherwise, in which p is now grouped for the same value and indexed by the subscript j that indicates in ascending order the values of p. In using some explicit ... LNRE zone, values of statistical measures such as type-token ratio, the parameters of 'laws' (e.g. of Mandel- brot, 1962) of word frequency distributions, etc. change systematically...

Báo cáo khoa học: "A Statistical Tree Annotator and Its Applications" pptx

... 3.As can be seen, our system performs much betterthan both (Blaheta and Charniak, 2000) and (Lin-tean and Rus, 2007a). For two major categories,namely grammatical and form/function which ... favorably with those in (Blaheta and Charniak, 2000). Lintean and Rus (2007a; Lin-tean and Rus (2007b) also studied the function tag-ging problem and applied naive Bayes and decisiontree to it. Their ... features are veryeffective in predicting function tags and our system 1230has signiﬁcant lower error rate than (Blaheta and Charniak, 2000; Lintean and Rus, 2007a).The rest of the paper is organized...

Báo cáo khoa học: "A Statistical Parser for Czech*" ppt

... machine-assigned tags and lemmas for each word (using a tagger de- scribed in (Haji~ and Hladka, 1998)). For evaluation purposes, the PDT has been di- vided into a training set (19k sentences) and a de- ... spelling, using the output of a morphological analysis program, and also with the single one of those tags that a statistical POS tagging program had predicted to be the correct tag (Haji~ and ... POS was used for the main POS values D, J, V, and X; the case field was used for the other possible main POS values.) This two-letter scheme resulted in 58 tags, and pro- vided about a 1.1%...

Tài liệu Báo cáo khoa học: A novel electron transport system for thermostable CYP175A1 from Thermus thermophilus HB27 doc

... from NADPH via Fdx and FNR toCYP175A1. The CYP175A1 system is composed ofextremely thermostable proteins (Fig. 4B), and theTmvalues of CYP175A1, Fdx and FNR are 88, 114, and 99 °C, respectively ... as naphthalene, propranolol, and dioxins otherthan long-chain fatty acids [33–35]. Thus, this system with Fdx, FNR and CYP175A1 engineered by site- directed and random mutagenesis may exhibit ... catalytic system. The electrontransport system was composed of Fdx and Fdx–NAD(P)+reductase (FNR), and these componentswere characterized at high temperature.ResultsIsolation and identiﬁcation...

Tài liệu Báo cáo khoa học: A knowledge-based potential function predicts the speciﬁcity and relative binding energy of RNA-binding proteins ppt

... structure.Some RRM and KH domains in complex with singlestrand DNA (PDB codes: 2UP1, 1WTB, 1X0F, 1ZZI and 1ZZJ) were also included in the test set because recognitionof single stranded RNA and DNA are ... cal-culated using the mm_gbsa module of amber 8 as:DGbind¼ G complex ÀðGproteinþ GRNAÞwhere G complex , Gprotein and GRNArepresent the mm_gbsa-calculated free energies of the protein–RNA complex, ... the RNA and protein upon complex formation [53]. However, whenthe U1A complex itself was included in the trainingset, we obtained moderate to strong correlations (R2values between 0.27 and 0.65,...

Tài liệu Báo cáo khoa học: a-Conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes doc

... b2, b3 and to a minor extent b4 subunits [9,86,87], aspossible candidates. Initial pharmacological studies using the agonists nicotine and cytisine and the a3 selectiveantagonist ... present throughout the central and peripheral nervous system, at both pre- and postsynapticlocalizations. The most prevalent subunits in brain are a4,b2anda7whereasa3andb4 predominate in peripheralganglia. ... kidney (HEK) cells. IC50values > 10 lM and a-conotoxin mutants were generally notconsidered. Diﬀerences between expression systems and between heterologously expressed and native channels as...

... model (De-nis and Baldridge, 2007) and systems compared intheir paper, and Charniak and E lsner’s (2009) unsu-pervised system, emPronouns. The FHMM-basedpronoun resolution system does a better ... takes a value from 1 to n for a list of size n. Each g can be one offour values – male, female, neuter and unknown; none of three values – plural, singular and unknown and e around eight values.Note ... data set and 1866 in testing data set are found in all threegenres. They have results of three different systems:SCC (single candidate classiﬁer), TCC (twin candi-date classiﬁer) and RK (ranking)....

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