Báo cáo khoa học: "Assessing Dialog System User Simulation Evaluation Measures Using Human Judges" ppt

... June 2008. c 2008 Association for Computational Linguistics Assessing Dialog System User Simulation Evaluation Measures Using Human Judges Hua Ai University of Pittsburgh Pittsburgh PA, 15260, USA hua@cs.pitt.edu Diane ... predict human rankings by a ranking model. 1 Introduction User simulation has been widely used in different phases in spoken dialog system develo...

Ngày tải lên: 17/03/2014, 02:20

... natriuretic peptide system FEBS Journal 278 (2011) 1830–1841 ª 2011 The Authors Journal compilation ª 2011 FEBS 1841 MINIREVIEW Natriuretic peptide system: an overview of studies using genetically ... signifi- cance of the natriuretic peptide system in cardiovascular, renal and skeletal homeostasis. The present review focuses on the in vivo roles of the natri- uretic peptide system as...

Ngày tải lên: 14/03/2014, 23:20

... next system actions by find- ing similar dialog examples within the dialog cor- pus. The system action can be predicted by finding semantically similar user utterances with the dialog state. The dialog ... system developer to control the dialog flow. This heuristic has ad- vantages for practical spoken dialog system because a key condition for successful task-oriented dial...

Ngày tải lên: 23/03/2014, 17:20

... in a system. The spins interact with each other, and each spin is also affected by the external magnetic field. In the physical model, if the state of the system is s and the energy of the system ... a probabilistic model for POS guessing of unknown words using global information as well as local information, and estimate its parameters using Gibbs sampling. We also attempt to apply...

Ngày tải lên: 23/03/2014, 18:20

... relation-extraction system similar to Google Sets, in which the user provides only a handful of pairs of entities known to exhibit or not to exhibit a particular relation, and the system is used to ... total gap. Many relations, like the ones that we explore in the experimental evaluation, cannot be expressed without using at least one content word. We there- fore modified the kernel...

Ngày tải lên: 23/03/2014, 18:20

... performance of such systems, The human subject achieves an average accuracy of 71% over the twelve words, which is 6% lower than our system. More interestingly, the results of the human subject ... the results of our system - the human subject performs better on words and senses for which our system achieve higher accuracy and less well on words and senses for which our sys...

Ngày tải lên: 31/03/2014, 06:20

... Introduction User simulation techniques are widely used for learn- ing optimal dialog strategies in a statistical dialog management framework and for automated evaluation of spoken dialog systems. User ... following users.  Cooperative User: A user who is cooperative with a system by answering what the system asked.  Corrective User: A user who try to correct th...

Ngày tải lên: 08/03/2014, 01:20

... be used as ‘containment’ systems in genetic modified yeast, fungi or bacterial cells consid- ered highly risky and such a system has been devel- oped using the relBE system in Sacharomyces cerevisae [119]. ... positive-selection vectors based on this TA system have been further developed, such as the Gateway system [125–127]. Technology based on the ccd TA system has been used for...

Ngày tải lên: 18/02/2014, 04:20

... performed using a BigDyeÒ Terminator v3.1 Cycle Sequencing Kit (Perkin- Elmer ⁄ Applied Biosystems, Foster City, CA, USA) and an ABI PRISMÒ 3100 Genetic Analyser (Perkin-Elmer ⁄ Applied Biosystems). Protein ... was cloned using the zero blunt TOPO-cloning kit (Invitrogen, Carlsbad, CA, USA). The resulting plasmid was transformed into E. coli TOP10 competent cells and the insert was sequen...

Ngày tải lên: 18/02/2014, 08:20

... adviser understand the user) . 2. Clarification subdialogues occur when the user requests information from the adviser so that the user can satisfy a goal. In this study, these subdialogues arise ... was used to segment the dialogue into subdialogues associated with the subtasks of the overall task. The representation of the dialogue structure into a hierarchy of subdialogues, pa...

Ngày tải lên: 21/02/2014, 20:20