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@article{billi_field_1997,
	Author = {Billi, Roberto and Castagneri, Giuseppe and Danieli, Morena},
	Date = {1997},
	Date-Modified = {2017-04-19 08:04:06 +0000},
	Doi = {10.1016/S0167-6393(97)00041-1},
	Issn = {01676393},
	Journal = {Speech Communication},
	Keywords = {assessment, dialogue systems, speech technology},
	Month = oct,
	Number = {1-2},
	Pages = {83-93},
	Title = {Field trial evaluations of two different information inquiry systems},
	Url = {http://linkinghub.elsevier.com/retrieve/pii/S0167639397000411},
	Volume = {23},
	Abstract = {This paper presents the evaluations of the field trials of two information inquiry systems that use different speech technologies and different human--machine interfaces. The first system, RAIL℡, uses isolated word recognition and system driven dialogue. The second system, Dialogos, understands spontaneous speech and implements a mixed initiative dialogue strategy. Both systems allow access to the Italian Railway timetable by using the telephone over the public network. RAIL℡ and Dialogos were tested in extensive field trials by inexperienced subjects. Moreover, a comparative trial with a limited number of subjects was performed in order to gain some insights on the impact of the different speech technologies on users' behaviour. The paper will provide a brief description of the two systems, details of the experimental set up of the trials, and the discussion of the results.},
	Bdsk-Url-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0167639397000411},
	Bdsk-Url-2 = {http://dx.doi.org/10.1016/S0167-6393(97)00041-1}}