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pro vyhledávání: '"Austin R. Ward"'
Publikováno v:
ACM Transactions on Information Systems. 41:1-35
While current systems are effective in helping searchers resolve simple information needs (e.g., fact-finding), they provide less support for searchers working on complex information-seeking tasks. Complex search tasks involve a wide range of (meta)c
Publikováno v:
ACM Transactions on Information Systems. 38:1-28
In interactive information retrieval, an important research question is: How do task characteristics influence users’ needs and behaviors? We report on a laboratory study ( N =32) that investigated the effects of task complexity on the types of inf
Publikováno v:
SIGIR
In this paper, we demonstrate the Information Interactions in Virtual Reality (IIVR) system designed and implemented to study how users interact with abstract information objects in immersive virtual environments in the context of information retriev
Autor:
Robert Capra, Austin R. Ward
Publikováno v:
SIGIR
We describe a search-assistance tool called the OrgBox, created to support users' organizational, cognitive, and metacognitive activities while performing exploratory search tasks. The OrgBox tool allows users to create and label "boxes" to organize
Publikováno v:
SIGIR
Current search systems provide effective support to users engaged in fact-finding and look-up oriented tasks. However, they provide relatively little support for users engaged in exploratory search tasks that involve cognitive and metacognitive activ
Publikováno v:
CHIIR
Current search systems are effective in helping users complete simple search tasks (e.g., fact-finding). However, they provide less support for users completing complex search tasks. Complex search tasks involve a diverse set of cognitive and metacog
Publikováno v:
CHIIR
Previous studies found that cross-session search tasks are often complex due to the uncertainty of task features, users' perception of the tasks, and the challenges (e.g., time limitation, interruptions) that users encounter during the process. Using
Autor:
Austin R. Ward, Robert Capra
Publikováno v:
SIGIR
In this paper, we present results from an exploratory study to investigate users' behaviors and preferences for three different styles of search results presentation in a virtual reality (VR) head-mounted display (HMD). Prior work in 2D displays has
Autor:
Austin R. Ward
Publikováno v:
CHIIR
Researchers in interactive information retrieval (IIR) have studied and refined 2D presentations of search results for years. Recent advances are bringing augmented reality (AR) and virtual reality (VR) to real-world systems, though the IIR community