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  • × author_ss:"Shepherd, M."
  1. Shepherd, M.; Watters, C.: Boundary objects and the digital library (2006) 0.01 
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    Abstract
    Boundary objects are entities shared by different communities but used differently by each group. The paper explores the multi faceted aspects of boundary objects in digital libraries. The issue of semantic interoperability from the perspective of 'communities of practice' and 'communities of interest' has been explored. While the concept of boundary objects holds some promise of resolving this problem, an efficient solution depends on how knowledge is represented so that it can be shared among various participants in a meaningful manner. Classification schemes can be used as a standard to implement boundary objects to bridge access to shared information resources for different users. The value and utility of adoption of "Absolute Syntax" for representation of subjects as a framework for boundary objects needs to be explored.
  2. Kellar, M.; Watters, C.; Shepherd, M.: ¬A field study characterizing Web-based information seeking tasks (2007) 0.01 
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    Abstract
    Previous studies have examined various aspects of user behavior on the Web, including general information-seeking patterns, search engine use, and revisitation habits. Little research has been conducted to study how users navigate and interact with their Web browser across different information-seeking tasks. We have conducted a field study of 21 participants, in which we logged detailed Web usage and asked participants to provide task categorizations of their Web usage based on the following categories: Fact Finding, Information Gathering, Browsing, and Transactions. We used implicit measures logged during each task session to provide usage measures such as dwell time, number of pages viewed, and the use of specific browser navigation mechanisms. We also report on differences in how participants interacted with their Web browser across the range of information-seeking tasks. Within each type of task, we found several distinguishing characteristics. In particular, Information Gathering tasks were the most complex; participants spent more time completing this task, viewed more pages, and used the Web browser functions most heavily during this task. The results of this analysis have been used to provide implications for future support of information seeking on the Web as well as direction for future research in this area.

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