Báo cáo khoa học: "Combining Acoustic and Pragmatic Features to Predict Recognition Performance in Spoken Dialogue Systems" pdf

... Combining Acoustic and Pragmatic Features to Predict Recognition Performance in Spoken Dialogue Systems Malte Gabsdil Department of Computational Linguistics Saarland University Germany gabsdil@coli.uni-sb.de Oliver ... combination of acoustic confi- dence and pragmatic plausibility features (i.e. com- puted from dialogue context) to predict the qual- ity of...

Ngày tải lên: 08/03/2014, 04:22

... white- board/projector screen when addressing the group, thus drawing the listeners’ gaze in this direction. Future work will involve expanding our data- set, and investigating new potentially predictive features. ... with plural addressing. Information about dialogue acts also plays a role in distinguishing between singular and plu- ral interpretations. Questions tend to be addr...

Ngày tải lên: 17/03/2014, 22:20

... helpful in a tutoring spoken dia- logue system. From the users’ perspective, our results show that the NM presence al- lows them to better identify and follow the tutoring plan and to better integrate ... in most cases, users have knowledge about the task. However, in complex domains things are different. Take for example tutoring. A tutoring dialogue system has to di...

Ngày tải lên: 20/02/2014, 12:20

... for manipulating data. Objects can be classified into classes and instances. A class defines a procedure [called a method) for handling incoming messages of its instances. A class inherits methods ... flexible means of abstracting modules and sharing common knowledge. 1. Introduction The goal of this paper is to elaborate a domain-independent way of organizing linguistic knowled...

Ngày tải lên: 21/02/2014, 20:20

... requires joint expertise in natural language processing and speech recognition, and best practices in language engineering for every new domain. On the other hand, a statistical learning approach ... directly porting the model to HCRFs, and finally introduce the CRFs and 882 the features that obtain the best SLU result on ATIS test data. We compare the CRF and perce...

Ngày tải lên: 08/03/2014, 02:21

Ngày tải lên: 08/03/2014, 05:21

... con- textual information and integrate them into the feature space. They obtain relatively good results but are hindered by drawbacks of limited feature space and excessive feature engineering. Kernel based ... usage of patterns and rules, and (iii) usage of flat features to train machine learning (ML) classifiers. These approaches have been studied for a long period and have thei...

Ngày tải lên: 08/03/2014, 21:20

... evolution. In C. Huang and W. Lenders, editors, Computational Linguistics and Beyond, pages 65–108. Institute of Linguistics, Academia Sinica, Taipei. C. Yang. 2001. Internal and external forces in lan- guage ... coupled. In Model 1 there is no coupling (ˆα t and ˆ β t learned independently), in Models 2–3 coupling takes the form of a hard constraint corresponding to Ross’ g...

Ngày tải lên: 17/03/2014, 00:20

... gain in F-value for the combined model on the training set is appended to the list. The algorithm terminates when F-value cannot be improved by any of the remaining candidates. A finer distinction ... designating the dependent in left -to- right or- der (e.g. 0 for in , 1 for on in example (5)), and a number designating the head in left -to- right (e.g. 0 for saw , 1 for man , 2...

Ngày tải lên: 17/03/2014, 06:20

... string representing a dubious area, and in- form at and on are words. In this 838 case, the unknown word and its sur- rounding known words are combined together, resulting in " ;in/ ormatjon" ... capture some use- ful features in discriminating candidate words. A feature-based approach using Winnow algo- rithm is then applied to correct the remaining erro...

Ngày tải lên: 23/03/2014, 19:20