Guided tours and tabletops: tools for communicating in a hypertext environment
ACM Transactions on Information Systems (TOIS)
The case against user interface consistency
Communications of the ACM
Usability—context, framework, definition, design and evaluation
Human factors for informatics usability
Principles and guidelines in software user interface design
Principles and guidelines in software user 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
Usability inspection methods
Adding multimedia collections to the Dexter Model
ECHT '94 Proceedings of the 1994 ACM European conference on Hypermedia technology
Multimedia and hypertext: the Internet and beyond
Multimedia and hypertext: the Internet and beyond
Hypermedia design, analysis, and evaluation issues
Communications of the ACM
Information reuse in hypermedia applications
Proceedings of the the seventh ACM conference on Hypertext
Usability Engineering
SNIF-ACT: a cognitive model of user navigation on the world wide web
Human-Computer Interaction
A user-tracing architecture for modeling interaction with the world wide web
Proceedings of the Working Conference on Advanced Visual Interfaces
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This paper presents a systematic approach to the heuristic evaluation of hypermedia that specifically addresses the peculiar features of this class of systems. We propose a set of hypermedia-specific usability attributes and define general "patterns of evaluation activities" called abstract tasks that can be performed by usability experts to check such attributes systematically. The usage of abstract tasks makes application inspection more effective, since it guides the work of evaluators and supports standardization across different evaluators. Our approach is model-based since we use a hypermedia design model (HDM) to identify the constituents of an application that represent the "focus of interest" for the evaluation, to decompose general usability principles into hypermedia-specific attributes, and finally to formulate abstract tasks in a precise way. To show the effectiveness of our method, we discuss the most significant usability problems discovered in eight commercially available hypermedia CD-ROM's.