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

... Linguistics A Statistical Spoken Dialogue System using Complex User Goals and Value Directed Compression Paul A. Crook, Zhuoran Wang, Xingkun Liu and Oliver Lemon Interaction Lab School of Mathematical and ... demonstration of a statistical spoken dialogue system that uses automatic belief compression to rea- son over complex user goal sets. Reasoning ove...

Ngày tải lên: 08/03/2014, 21:20

... 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 object...

Ngày tải lên: 07/03/2014, 18:20

... pos- itive and negative examples. 5.1.1 Training We 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-su...

Ngày tải lên: 19/02/2014, 19:20

... 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 u...

Ngày tải lên: 20/02/2014, 18:20

... 3. As can be seen, our system performs much better than 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 deci...

Ngày tải lên: 07/03/2014, 22:20

... 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 analy- sis program, and also with the single one of those tags that a statistical POS tagging program had predicted to be...

Ngày tải lên: 08/03/2014, 06:20

... from NADPH via Fdx and FNR to CYP175A1. The CYP175A1 system is composed of extremely thermostable proteins (Fig. 4B), and the T m values of CYP175A1, Fdx and FNR are 88, 114, and 99 °C, respectively ... as naphthalene, propranolol, and dioxins other than long-chain fatty acids [33–35]. Thus, this system with Fdx, FNR and CYP175A1 engineered by site- directed and random mut...

Ngày tải lên: 18/02/2014, 08:20

... structure. Some RRM and KH domains in complex with single strand DNA (PDB codes: 2UP1, 1WTB, 1X0F, 1ZZI and 1ZZJ) were also included in the test set because recognition of single stranded RNA and DNA are ... cal- culated using the mm_gbsa module of amber 8 as: DG bind ¼ G complex ÀðG protein þ G RNA Þ where G complex , G protein and G RNA represent the mm_gbsa- calculated free...

Ngày tải lên: 18/02/2014, 16:20

... b2, b3 and to a minor extent b4 subunits [9,86,87], as possible candidates. Initial pharmacological studies using the agonists nicotine and cytisine and the a3 selective antagonist ... present throughout the central and peripheral nervous system, at both pre- and postsynaptic localizations. The most prevalent subunits in brain are a4, b2anda7whereasa3andb4 predominate in peripher...

Ngày tải lên: 19/02/2014, 12:20

... model (De- nis and Baldridge, 2007) and systems compared in their paper, and Charniak and E lsner’s (2009) unsu- pervised system, emPronouns. The FHMM-based pronoun resolution system does a better ... takes a value from 1 to n for a list of size n. Each g can be one of four values – male, female, neuter and unknown; n one of three values – plural, singular and unknown and e...

Ngày tải lên: 20/02/2014, 04:20