Guided tours and tabletops: tools for communicating in a hypertext environment
ACM Transactions on Information Systems (TOIS)
Designing the user interface (videotape)
Designing the user interface (videotape)
Multimedia interface design
Multimodal communication: integrating text and gestures
Multimedia interface design
Multimodal interaction in speech systems
Multimedia interface design
Architectural qualities and principles for multimodal and multimedia interfaces
Multimedia interface design
HDM—a model-based approach to hypertext application design
ACM Transactions on Information Systems (TOIS)
The Amsterdam hypermedia model: adding time and context to the Dexter model
Communications of the ACM
Data modeling of time-based media
SIGMOD '94 Proceedings of the 1994 ACM SIGMOD international conference on Management of data
Towards usability guidelines for multimedia systems
MULTIMEDIA '94 Proceedings of the second ACM international conference on Multimedia
Adding multimedia collections to the Dexter Model
ECHT '94 Proceedings of the 1994 ACM European conference on Hypermedia technology
Hypermedia design, analysis, and evaluation issues
Communications of the ACM
Information reuse in hypermedia applications
Proceedings of the the seventh ACM conference on Hypertext
Navigation in hypermedia applications: modeling and semantics
Journal of Organizational Computing and Electronic Commerce - Special issue on hypermedia in information systems and organizations
Usability Engineering
Human-Computer Interaction
Multimedia Computing: Case Studies from Mit Project Athena
Multimedia Computing: Case Studies from Mit Project Athena
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Hypermedia applications combine the flexibility of navigation based-access to information, typical of hypertext, with the communication power of multiple media, typical of multimedia systems. By their very nature, hypermedia applications support multimode interacation, i.e., interaction based on a combination of multiple modalities that are induced by different media and different navigation paradigms. The potentially huge number of mode combinations in hypermedia can accommodate a large variety of user needs and tasks. Multimode interaction, however, is intrinsically complex for the users if several multimode paradigmas coexist within the same application. This paper discusses the concept of modal navigation as a technique that allows to achieve both simplicity in user interaction and flexibility in tuning navigation styles to specific needs of different categories of users. According to modal navigation, the semantics of navigation commands depends upon the current setting of modes. Various paradigms are discussed for modal navigation that take into account different degrees of user's control in the definition of mode configuration and mode resetting. The approach will be exemplified by discussing a real life hypermedia application under development at HOC in cooperation with the Poldi Pezzoli Museum in Milano.