NDLI: Expression constraints in multimodal human-computer interaction

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Expression constraints in multimodal human-computer interaction

Content Provider	ACM Digital Library
Author	Robbe-Reiter, Sandrine Dauchy, Pierre Carbonell, Noëlle
Abstract	Thanks to recent scientific advances, it is now possible to design multimodal interfaces allowing the use of speech and gestures on a touchscreen. However, present speech recognizers and natural language interpreters cannot yet process spontaneous speech accurately. These limitations make it necessary to impose constraints on users' speech inputs. Thus, ergonomic studies are needed to provide user interface designers with efficient guidelines for the definition of usable speech constraints.We evolved a method for designing oral and multimodal (speech + 2D gestures) command languages, which could be interpreted reliably by present systems, and easy to learn through human-computer interaction (HCI). The empirical study presented here contributes to assessing the usability of such artificial languages in a realistic software environment. Analyses of the multimodal protocols collected indicate that all subjects were able to assimilate rapidly the given expression constraints, mainly while executing simple interactive tasks; in addition, these constraints, which had no noticeable effect on the subjects' activities, had a limited influence on their use of modalities.These results contribute to the validation of the method we propose for the design of tractable and usable multimodal command languages.
Starting Page	225
Ending Page	228
Page Count	4
File Format	PDF
ISBN	1581131348
DOI	10.1145/325737.325852
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2000-01-09
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Speech constraints Multimodal user interfaces Usability
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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