Báo cáo khoa học: "Quantitative and Qualitative Evaluation of Darpa Communicator Spoken Dialogue Systems" pdf

... labels and summed the total effort ex- pended on each type of dialogue act over the dialogue or the percentage of a dialogue given over to a particular type of dialogue behavior. These sums and ... Quantitative and Qualitative Evaluation of Darpa Communicator Spoken Dialogue Systems Marilyn A. Walker AT&T Labs – Research 180 Park ... achieve a better unde...

Ngày tải lên: 31/03/2014, 04:20

... increas- ing the dialogue duration for skilled users. 1 Introduction A spoken dialogue system is one of the promising applications of the speech recognition and natural language understanding technologies. ... time from the beginning of the session – the number of repetitions of a same question – the average number of repetitions of a same question – ratio of the total...

Ngày tải lên: 31/03/2014, 03:20

... products of the hazelnut LOX were compared with the reaction products of soybean LOX type I and authentic standards of 9- and 13-HODE. As shown in Fig. 4, 9-HODE is the main product of the hazelnut ... lm particle size) with a solvent system of hexane/propan-2-ol/acetic acid (100 : 5 : 0.1, v/v/v) and a flow rate of 1 mLÆmin )1 . Authentic standards of 9- and 13-HODE were...

Ngày tải lên: 21/02/2014, 00:20

... obtained at an interval of 0.1 nm with a scanning speed of 100 nmÆmin )1 , 1 s response time and 2 nm bandwidth. Cuvettes of 0.1 and 1 cm path length were used in the far and near UV regions, respectively. ... Glu127 and His280, and two H-bond donating residues, Asn38 and Trp104, involved in stabilization of a halogen group of the substrate. With respect to particular di...

Ngày tải lên: 28/03/2014, 22:21

... carry out 4 tasks of varying difficulty with one of two versions of TOOT (literal and coopera- tive TOOT), resulting in a corpus of 48 dialogues. The values for a wide range of evaluation measures ... combine all of our data (48 dialogues), and perform a two-way ANOVA for each evaluation measure as a function of strategy and task. An inter- action between response...

Ngày tải lên: 17/03/2014, 07:20

... in the task execution of dialogues, and utilizes beam search to deal with the ambiguity of boundaries as well as syntactic and semantic ambiguities. The re- sults of a preliminary experiment ... 2", and "Room 2" and dialogue- related ones are "yes", "no", and "Okay". User utterances are understood by finding a se- quence o...

Ngày tải lên: 17/03/2014, 07:20

... properties of individual non-projective edges (cf. Definition 3); and they take into account levels of nodes in dependency trees explicitly. None of the constraints and measures in Kuhlmann and Nivre (2006) ... Linguistics Beyond Projectivity: Multilingual Evaluation of Constraints and Measures on Non-Projective Structures Ji ˇ r ´ ı Havelka Institute of Formal and Applie...

Ngày tải lên: 23/03/2014, 18:20

... Department of Biology and Biochemistry, University of Bath, UK 2 Department of Biochemistry, University of Wisconsin–Madison, USA 3 Department of Chemistry, University of Wisconsin–Madison, USA Introduction Upon ... studies of the structure and binding sites of enzymes. 8. Inhibitor binding to ribonucleases. J Mol Biol 45, 491–511. 33 Ui N (1971) Isoelectric points and c...

Ngày tải lên: 14/02/2014, 22:20

... structure of cN-II showing interfaces A and B and the Mg 2+ site. The inset shows the tertiary structure of each subunit. Effector sites 1 and 2 and the active site are shown. Table 2. Effect of point ... transfer of phosphate esterified in the 5¢ position of 6-hydroxypu- rine monophosphate nucleosides [1]. The transfer of phosphate can lead to phosphorylation of inosine,...

Ngày tải lên: 15/02/2014, 01:20

... HPRT and hypoxanthine. (C) PRTFDC1 and guanine. (D) HPRT and guanine. Table 2. K m and V max values for Hx and G in the presence of 1 mM PRPP, determined using the DE-81 filter paper assay and ... characterization of numerous com- plexes of the human HPRT and several bacterial and protozoan HPRTs have been undertaken [13–17]. The structure of human HPRT can be divided i...

Ngày tải lên: 15/02/2014, 01:20