Modeling Multimodal-Multiuser Interactions in Declarative Multimedia Languages

Modeling Multimodal-Multiuser Interactions in Declarative Multimedia Languages. Guedes, Á. L. V., de A. Azevedo, R. G., Colcher, S., & Barbosa, S. D. J. In Proceedings of the ACM Symposium on Document Engineering 2019, of DocEng '19, pages 11:1–11:10, 2019. ACM.

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Recent advances in hardware and software technologies have given rise to a new class of human-computer interfaces that both explores multiple modalities and allows for multiple collaborating users. When compared to the development of traditional single-user WIMP (windows, icons, menus, pointer)-based applications, however, applications supporting the seamless integration of multimodal-multiuser interactions bring new specification and runtime requirements. With the aim of assisting the specification of multimedia applications that integrate multimodal-multiuser interactions, this paper: (1) proposes the MMAM (Multimodal-Multiuser Authoring Model); (2) presents three different instantiations of it (in NCL, HTML, and a block-based syntax); and (3) evaluates the proposed model through a task-based user study. MMAM enables programmers to design and ponder different solutions for applications with multimodal-multiuser requirements. The proposed instantiations served as proofs of concept about the feasibility of our model implementation and provided the basis for practical experimentation, while the performed user study focused on capturing evidence of both the user understanding and the user acceptance of the proposed model. We asked developers to perform tasks using MMAM and then answer a TAM (Technology Acceptance Model)-based questionnaire focused on both the model and its instances. As results, the study indicates that the participants easily understood the model (most of them performed the required tasks with minor or no errors) and found it both useful and easy to use. 94.47% of the participants gave positive answers to the block-based representation TAM questions, whereas 75.17% gave positive answers to the instances-related questions.

@inproceedings{guedes_modeling_2019,
	location = {New York, {NY}, {USA}},
	title = {Modeling Multimodal-Multiuser Interactions in Declarative Multimedia Languages},
	rights = {All rights reserved},
	isbn = {978-1-4503-6887-2},
	url = {http://doi.acm.org/10.1145/3342558.3345400},
	doi = {10.1145/3342558.3345400},
	series = {{DocEng} '19},
	abstract = {Recent advances in hardware and software technologies have given rise to a new class of human-computer interfaces that both explores multiple modalities and allows for multiple collaborating users. When compared to the development of traditional single-user {WIMP} (windows, icons, menus, pointer)-based applications, however, applications supporting the seamless integration of multimodal-multiuser interactions bring new specification and runtime requirements. With the aim of assisting the specification of multimedia applications that integrate multimodal-multiuser interactions, this paper: (1) proposes the {MMAM} (Multimodal-Multiuser Authoring Model); (2) presents three different instantiations of it (in {NCL}, {HTML}, and a block-based syntax); and (3) evaluates the proposed model through a task-based user study. {MMAM} enables programmers to design and ponder different solutions for applications with multimodal-multiuser requirements. The proposed instantiations served as proofs of concept about the feasibility of our model implementation and provided the basis for practical experimentation, while the performed user study focused on capturing evidence of both the user understanding and the user acceptance of the proposed model. We asked developers to perform tasks using {MMAM} and then answer a {TAM} (Technology Acceptance Model)-based questionnaire focused on both the model and its instances. As results, the study indicates that the participants easily understood the model (most of them performed the required tasks with minor or no errors) and found it both useful and easy to use. 94.47\% of the participants gave positive answers to the block-based representation {TAM} questions, whereas 75.17\% gave positive answers to the instances-related questions.},
	pages = {11:1--11:10},
	booktitle = {Proceedings of the {ACM} Symposium on Document Engineering 2019},
	publisher = {{ACM}},
	author = {Guedes, Álan L. V. and de A. Azevedo, Roberto G. and Colcher, Sérgio and Barbosa, Simone D. J.},
	urlyear = {2019},
	year = {2019},
}

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