Publication statistics

Pub. period:1997-2002
Pub. count:8
Number of co-authors:11


Number of publications with 3 favourite co-authors:

Raghu Akkapeddi:
Robert Airhart:
Divya Shah:



Productive colleagues

Hao-wei Hsieh's 3 most productive colleagues in number of publications:

Richard Furuta:60
Catherine C. Marsh..:55
Frank M. Shipman I..:9

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Hao-wei Hsieh


Publications by Hao-wei Hsieh (bibliography)

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Hsieh, Hao-wei and Shipman III, Frank M. (2002): Manipulating structured information in a visual workspace. In: Beaudouin-Lafon, Michel (ed.) Proceedings of the 15th annual ACM symposium on User interface software and technology October 27-30, 2002, Paris, France. pp. 217-226.

This paper describes the VITE system, a visual workspace that supports two-way mapping for projecting structured information to a two-dimensional workspace and updating the structured information based on user interactions in the workspace. This is related to information visualization, but reflecting visual edits in the structured data requires a two-way mapping from data to visualization and from visualization to data. VITE provides users with an interface for designing two-way mappings. Mappings are reusable on different datasets and may be switched within a task. An evaluation of VITE was conducted to study how people use two-way mapping and how two-way mapping can help in problem solving tasks. The results show that users could quickly design visual mappings to help their problem-solving tasks. Users developed more sophisticated strategies for visual problem-solving over time.

© All rights reserved Hsieh and and/or ACM Press

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Shipman III, Frank M., Moore, J. Michael, Maloor, Preetam, Hsieh, Hao-wei and Akkapeddi, Raghu (2002): Semantics happen: knowledge building in spatial hypertext. In: Hypertext'02 - Proceedings of the Thirteenth ACM Conference on Hypertext and Hypermedia June 11-15, 2002, College Park, Maryland, USA. pp. 25-34.

Hypertext represents ideas through chunks of text or other media interconnected by relations, typically navigational links. The similarity to knowledge representations such as frames and semantic nets has led to much effort in using hypertext systems for knowledge representation and extending hypertext systems to make them able to express more. This work has met with limited success due to difficulties including the tacit and situated nature of much knowledge. Instead of viewing knowledge expression as an all at once event, we view it as a constructive process, i.e. knowledge building. The Visual Knowledge Builder (VKB) lets users express content via visual or textual means and later formalize that content in the form of attributes, values, types, and relations. VKB proactively supports this process through a set of suggestion agents whose interaction with the user is mediated by the suggestion manager. Preliminary evaluation of the suggestion manager and suggestion agents yields positive results but further confirms that there is no "silver bullet" for knowledge engineering -- semantic expression is most likely to happen during, and is driven by, task performance.

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

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Shipman III, Frank M., Hsieh, Hao-wei, Maloor, Preetam and Moore, J. Michael (2001): The visual knowledge builder: a second generation spatial hypertext. In: Hypertext'01 - Proceedings of the Twelfth ACM Conference on Hypertext and Hypermedia August 14-18, 2001, Aarhus, Denmark. pp. 113-122.

The development of spatial hypertext systems was driven by the need to lower users' effort of expression. Users express categories and interrelationships through the visual similarity and co-location of information objects. The ease of changing a visual property or moving an object makes spatial hypertext better suited to tasks where the information continually evolves. But the implicit nature of the structure poses challenges for tasks in which the authors and readers are not the same set of people. The Visual Knowledge Builder (VKB) includes the ease of expression of earlier spatial hypertexts while adding greater support for long-term collaboration and tasks requiring explicit links. VKB includes a history mechanism that records the evolution of the spatial hypertext and local, global, and historical links for explicit navigational connections between chunks of information. The mechanisms added to VKB make spatial hypertext applicable in a much wider variety of tasks. In particular, VKB's global links enable wide-area distributed spatial hypertext using the existing infrastructure of the Internet. Versions of VKB have been in use for two years in tasks including note taking, writing, project management, and conference organization.

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

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Shipman III, Frank M., Airhart, Robert, Hsieh, Hao-wei, Maloor, Preetam, Moore, J. Michael and Shah, Divya (2001): Visual and spatial communication and task organization using the visual knowledge builder. In: Ellis, Clarence and Zigurs, Ilze (eds.) Proceedings of the International ACM SIGGROUP Conference on Supporting Group Work 2001 September 30 - October 3, 2001, Boulder, Colorado, USA. pp. 260-269.

When people share a workspace, they naturally create visual structures which organize resources, communicate interpretations, and coordinate activities. To support this mode of communication and coordination we have built the Visual Knowledge Builder (VKB.) VKB supports the incremental visual interpretation of information. Through the emergence and evolution of visual languages, communication between VKB users sharing a workspace grows over time. VKB has been used for two years in note taking, writing, curriculum development, project management, and conference organization. These tasks include short-and long-term synchronous and asynchronous activities. Features such as the recognition of implicit spatial structure and navigable history facilitate the authoring and comprehension of shared visual information spaces. VKB has also been used in a more controlled setting by pairs of people writing a poem with a constrained vocabulary. This use of VKB has been compared to the same task using Magnetic Poetry sets to better understand how the characteristics of the tools and information space impact collaborative practice.

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

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Hsieh, Hao-wei and Shipman III, Frank M. (2000): VITE: A Visual Interface Supporting the Direct Manipulation of Structured Data using Two-Way Mappings. In: Lieberman, Henry (ed.) International Conference on Intelligent User Interfaces 2000 January 9-12, 2000, New Orleans, Louisiana, USA. pp. 141-148.

Information processed by computers is frequently stored and organized for the computer's, rather than for the user's, convenience. For example, information stored in a database is normalized and indexed so computers can efficiently access, process, and retrieve it. However, it is not natural for people to manipulate such formal/prescriptive representations. Instead, people frequently sort items by rough notions of association or categorization. One natural organizational process has been found to center around manipulations of objects in spatial arrangements. Examples of this range from the organization of documents and other items on a regular office desktop to the use of 3"x5" cards to organize a conference program. Using visual cues and spatial proximity, people change the categorizations of and relationships between objects. Without the help of indices or perfect memory people can still interpret, locate, and manipulate the information represented by the items and the higher-level visual structures they form. The VITE system presented here is an intuitive interface for people to manipulate information in their own way and at their own pace. VITE provides for configurable visualizations of structured data sets so users can design their own "perspectives" and a direct manipulation interface allowing editing of and manipulation on the structured data.

© All rights reserved Hsieh and Shipman III and/or ACM Press

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III, Frank M. Shipman, Furuta, Richard, Brenner, Donald, Chung, Chung-Chi and Hsieh, Hao-wei (2000): Guided paths through Web-based collections: Design, experiences, and adaptations. In JASIST - Journal of the American Society for Information Science and Technology, 51 (3) pp. 260-272.

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Shipman III, Frank M., Furuta, Richard, Brenner, Donald, Chung, -Chi and Hsieh, Hao-wei (1998): Using Paths in the Classroom: Experiences and Adaptations. In: Hypertext 98 - Proceedings of the Ninth ACM Conference on Hypertext and Hypermedia June 20-24, 1998, Pittsburgh, PA, USA. pp. 267-276.

Walden's Paths was designed to enable teachers to collect, organize, and annotate Web-based information for presentation to their students. Experiences with the use of Walden's Paths in high-school classrooms have identified four needs/issues: (1) better support for the gradual authoring of paths by teachers, (2) support for student authoring of paths including the ability for students to collaborate on paths, (3) more obvious distinction between content of the original source materials and that added by the path author, and (4) support for maintaining paths over an evolving set of source documents. These observed needs have driven the development of new versions of Walden's Paths. Additionally, the experiences with path authoring have led to a conceptualization of meta-documents, documents whose components include complete documents, as a general domain where issues of collaboration, intellectual property, and maintenance are decidedly different from traditional document publication.

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

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Furuta, Richard, Shipman III, Frank M., Marshall, Catherine C., Brenner, Donald and Hsieh, Hao-wei (1997): Hypertext Paths and the World-Wide Web: Experiences with Walden's Paths. In: Bernstein, Mark, Carr, Leslie and Osterbye, Kasper (eds.) Hypertext 97 - Proceedings of the Eighth ACM Conference on Hypertext April 06-11, 1997, Southampton, UK. pp. 167-176.

Walden's Paths applies the concept of hypertextual paths to the World-Wide Web. Walden's Paths is being developed for use in the K-12 school environment. The heterogeneity of the Web coupled with the desirability of supporting the teacher-student relationship make this an interesting and challenging project. We describe the Walden's Paths implementation, discuss the elements that affected its design and architecture, and report on our experiences with the system in use.

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

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