Publication statistics

Pub. period:1994-2007
Pub. count:7
Number of co-authors:6



Co-authors

Number of publications with 3 favourite co-authors:

Kasper Hornbaek:3
Jun Fujima:2
Yuzuru Tanaka:2

 

 

Productive colleagues

Aran Lunzer's 3 most productive colleagues in number of publications:

Matthew Chalmers:38
Kasper Hornbaek:34
Yuzuru Tanaka:14
 
 
 

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Aran Lunzer

 

Publications by Aran Lunzer (bibliography)

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2007
 
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Lunzer, Aran and Hornbaek, Kasper (2007): Subjunctive interfaces: Extending applications to support parallel setup, viewing and control of alternative scenarios. In ACM Transactions on Computer-Human Interaction, 14 (4) p. 17. Available online

Many applications require exploration of alternative scenarios; most support it poorly. Subjunctive interfaces provide mechanisms for the parallel setup, viewing and control of scenarios, aiming to support users' thinking about and interaction with their choices. We illustrate how applications for information access, real-time simulation, and document design may be extended with these mechanisms. To investigate the usability of this form of extension, we compare a simple census browser against a version with a subjunctive interface. In the first of three studies, subjects reported higher satisfaction with the subjunctive interface, and relied less on interim marks on paper. No reduction in task completion time was found, however, mainly because some subjects encountered problems in setting up and controlling scenarios. At the end of a second, five-session study, users of a redesigned interface completed tasks 27% more quickly than with the simple interface. In the third study we examined how subjects reasoned about multiple-scenario setups in pursuing complex, open-ended data explorations. Our main observation was that subjects treated scenarios as information holders, using them creatively in various ways to facilitate task completion.

© All rights reserved Lunzer and Hornbaek and/or ACM Press

2006
 
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Lunzer, Aran and Hornbaek, Kasper (2006): RecipeSheet: creating, combining and controlling information processors. In: Proceedings of the ACM Symposium on User Interface Software and Technology 2006. pp. 145-154. Available online

Many tasks require users to extract information from diverse sources, to edit or process this information locally, and to explore how the end results are affected by changes in the information or in its processing. We present the RecipeSheet, a general-purpose tool for assisting users in such tasks. The RecipeSheet lets users create information processors, called recipes, which may take input in a variety of forms such as text, Web pages, or XML, and produce results in a similar variety of forms. The processing carried out by a recipe may be specified using a macro or query language, of which we currently support Rexx, Smalltalk and XQuery, or by capturing the behaviour of a Web application or Web service. In the RecipeSheet's spreadsheet-inspired user interface, information appears in cells, with inter-cell dependencies defined by recipes rather than formulas. Users can also intervene manually to control which information flows through the dependency connections. Through a series of examples we illustrate how tasks that would be challenging in existing environments are supported by the RecipeSheet.

© All rights reserved Lunzer and Hornbaek and/or ACM Press

2004
 
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Fujima, Jun, Lunzer, Aran, Hornbaek, Kasper and Tanaka, Yuzuru (2004): Clip, connect, clone: combining application elements to build custom interfaces for information access. In: Proceedings of the 2004 ACM Symposium on User Interface Software and Technology 2004. pp. 175-184. Available online

Many applications provide a form-like interface for requesting information: the user fills in some fields, submits the form, and the application presents corresponding results. Such a procedure becomes burdensome if (1) the user must submit many different requests, for example in pursuing a trial-and-error search, (2) results from one application are to be used as inputs for another, requiring the user to transfer them by hand, or (3) the user wants to compare results, but only the results from one request can be seen at a time. We describe how users can reduce this burden by creating custom interfaces using three mechanisms: clipping of input and result elements from existing applications to form cells on a spreadsheet; connecting these cells using formulas, thus enabling result transfer between applications; and cloning cells so that multiple requests can be handled side by side. We demonstrate a prototype of these mechanisms, initially specialised for handling Web applications, and show how it lets users build new interfaces to suit their individual needs.

© All rights reserved Fujima et al. and/or ACM Press

 
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Lunzer, Aran and Hornbaek, Kasper (2004): Usability studies on a visualisation for parallel display and control of alternative scenarios. In: Costabile, Maria Francesca (ed.) AVI 2004 - Proceedings of the working conference on Advanced visual interfaces May 25-28, 2004, Gallipoli, Italy. pp. 125-132. Available online

 
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Fujima, Jun, Lunzer, Aran, Hornbaek, Kasper and Tanaka, Yuzuru (2004): C3W: clipping, connecting and cloning for the web. In: Proceedings of the 2004 International Conference on the World Wide Web 2004. pp. 444-445. Available online

Many of today's Web applications support just simple trial-and error retrievals: supply one set of parameters, obtain one set of results. For a user who wants to examine a number of alternative retrievals, this form of interaction is inconvenient and frustrating. It can be hard work to keep finding and adjusting the parameter specification widgets buried in a Web page, and to remember or record each result set. Moreover, when using diverse Web applications in combination -- transferring result data from one into the parameters for another -- the lack of an easy way to automate that transfer merely increases the frustration. Our solution is to integrate techniques for each of three key activities: clipping elements from Web pages to wrap an application; connecting wrapped applications using spreadsheet-like formulas; and cloning the interface elements so that several sets of parameters and results may be handled in parallel. We describe a prototype that implements this solution, showing how it enables rapid and flexible exploration of the resources accessible through user-chosen combinations of Web applications. Our aim in this work is to contribute to research on making optimal use of the wealth of information on the Web, by providing interaction techniques that address very practical needs.

© All rights reserved Fujima et al. and/or ACM Press

1997
 
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Brodbeck, Dominique, Chalmers, Matthew, Lunzer, Aran and Cotture, Pamela (1997): Domesticating Bead: adapting an information visualization system to a financial institution. In: InfoVis 1997 - IEEE Symposium on Information Visualization October 18-25, 1997, Phoenix, AZ, USA. pp. 73-80. Available online

1994
 
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Lunzer, Aran (1994): Reconnaissance Support for Juggling Multiple Processing Options. In: Szekely, Pedro (ed.) Proceedings of the 7th annual ACM symposium on User interface software and technology November 02 - 04, 1994, Marina del Rey, California, United States. pp. 27-28. Available online

A large proportion of computer-supported tasks -- such as design exploration, decision analysis, data presentation, and many kinds of retrieval -- can be characterised as user-driven processing of a body of data in search of an outcome that satisfies the user. Clearly such tasks can never be automated fully, but few existing tools offer support for mechanising more than the simplest repetitive aspects of the search. Reconnaissance facilities, in which the computer produces summary reports from exploration in directions suggested by the user, can save the user time and effort by revealing which areas are the most deserving of detailed investigation. The time users are prepared to spend on searching will be more effectively used, improving the likelihood of finding solutions that really meet their needs rather than merely being the first to appear satisfactory. This note describes an implemented example of reconnaissance, based on the parallel coordinates presentation technique.

© All rights reserved Lunzer and/or ACM Press

 
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