Using Task Models for Cascading Selective Undo

Cass, Aaron G.; Fernandes, Chris S. T.

doi:10.1007/978-3-540-70816-2_14

Cited by 11 publications

(16 citation statements)

References 14 publications

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“…Systems like Joyce [22] and Script [3] reject commands that generate paradoxes. Cascading undo [6] takes a different approach, tracking forward through every conflicting command, and triggering undo mechanisms to remove the conflict(s).…”

Section: Error Recoverymentioning

confidence: 99%

Causality

Nancel

Cockburn

2014

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

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Simple history systems such as Undo and Redo permit retrieval of earlier or later interaction states, but advanced systems allow powerful capabilities to reuse or reapply combinations of commands, states, or data across interaction contexts. Whether simple or powerful, designing interaction history mechanisms is challenging. We begin by reviewing existing history systems and models, observing a lack of tools to assist designers and researchers in specifying, contemplating, combining, and communicating the behaviour of history systems. To resolve this problem, we present CAUSALITY, a conceptual model of interaction history that clarifies the possibilities for temporal interactions. The model includes components for the work artifact (such as the text and formatting of a Word document), the system context (such as the settings and parameters of the user interface), the linear timeline (the commands executed in real time), and the branching chronology (a structure of executed commands and their impact on the artifact and/or context, which may be navigable by the user). We then describe and exemplify how this model can be used to encapsulate existing user interfaces and reveal limitations in their behaviour, and we also show in a conceptual evaluation how the model stimulates the design of new and innovative opportunities for interacting in time.

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Section: Error Recoverymentioning

confidence: 99%

Causality

Nancel

Cockburn

2014

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

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“…Existing artifacts for Design Rationale, for example, do not relate solution construction and argumentation sufficiently [17]. In contrast, the mappings between task models, abstract user interface models, and implementations in model-based design approaches are often too rigid to enable reflection of an interactive application with respect to different usage situations [10], [12] or to support ad hoc im-1 Figure 1. Positioning of the proposed approach.…”

Section: Introductionmentioning

confidence: 95%

A constructive approach for design space exploration

Dittmar

Piehler

2013

Proceedings of the 5th ACM SIGCHI Symposium on Engineering Interactive Computing Systems

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The co-evolution of different kinds of external representations is essential in Human-Centered Design. It helps design teams to interleave different design activities and to view a design problem from different perspectives. The paper investigates a coupling of representations for Design Rationale, formal HCI models, and prototypical implementations for a more effective co-exploration of problem and design spaces with both analytical and empirical means. Deliberated underdesign and parallel, model-guided prototyping are proposed techniques to systematically integrate exploratory design steps into evolutionary prototyping. The general approach is instantiated with QOC diagrams, HOPS models, and Java implementations. HOPS models are used for two purposes: to create 'throw-away extensions' of an existing prototype and to specify design goals and constraints. The animation tool allows designers to explore and to reflect the model-guided prototypes. A case study demonstrates the applicability of the approach. Implications for related design practices are discussed.

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“…In general, undo models can be split into two groups: models that only allow actions to be undone sequentially, namely linear undo models, and undo models which can undo arbitrary actions from the past, namely non-linear undo models. Non-linear undo models can be further divided into models for single-user [2,5,28,29,30] and multi-user applications [3,20,21,22,25,24,26]. While the data structure used to store "undoable" actions is different for many undo models, most models facilitate a so-called history list, which holds a linear, chronologically sorted list of all undoable actions.…”

Section: Related Workmentioning

confidence: 99%

Regional undo/redo techniques for large interactive surfaces

Seifried¹,

Rendl²,

Haller³

et al. 2012

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

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When multiple users are simultaneously sharing a workspace, it is not always clear what should happen when a user invokes an undo action. In this paper we explore different user interfaces for undo/redo for co-located collaborative workspaces, such as large interactive whiteboards. A preliminary study revealed that users expect neither a global nor personal undo, but rather a regional undo. We propose and evaluate three automatic regional undo/redo techniques (clustering, workspace, field of view) designed for a large interactive whiteboard. The results of the evaluation showed that an undo technique based on users' field of view was most preferred, while the content-based clustering technique produced most errors. We conclude with potential improvements to the developed techniques, and propose a set of design recommendations for implementing regional undo/redo on large interactive surfaces.

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Using Task Models for Cascading Selective Undo

Cited by 11 publications

References 14 publications

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A constructive approach for design space exploration

Regional undo/redo techniques for large interactive surfaces

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