The frequent wayfinding-sequence (FWS) methodology: Finding preferred routes in complex virtual environments

Sadeghian, Pedram; Kantardzic, Mehmed; Lozitskiy, Oleksandr; Sheta, Walaa M.

doi:10.1016/j.ijhcs.2005.08.014

Cited by 22 publications

(15 citation statements)

References 30 publications

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“…Ironically, one of the earliest hopes of the web is that it might provide just such pathways through a sea of information, highlighting ways of linking together and making sense the unstructured collection [29]. Wayfinding is the process of navigating an environment, analyzing the surroundings and making decisions on how best to end up at the desired location [30]. Research comparing wayfinding in the physical world with that of the virtual world suggests that the mechanisms are similar, relying on social and psychological cues as well as physical.…”

Section: Network Threshold Modelmentioning

confidence: 99%

Badges of Friendship: Social Influence and Badge Acquisition on Stack Overflow

Halavais

Kwon

Havener

et al. 2014

2014 47th Hawaii International Conference on System Sciences

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Badges can provide a number of advantages to networked, self-directed learners, including making visible social networks of support and direction. If badges do allow for this, we would expect to see badge acquisition to be predicted by the presence of a particular badge among a learner's social connections. In examining the badges and "tags" used on the question-and-answer site Stack Overflow. We find that the more general badges are closely related to tenure on the site, while the numerous "tag" badges provide for more socially-determined differentiation.

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Section: Network Threshold Modelmentioning

confidence: 99%

Badges of Friendship: Social Influence and Badge Acquisition on Stack Overflow

Halavais

Kwon

Havener

et al. 2014

2014 47th Hawaii International Conference on System Sciences

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“…Furthermore, there is little control on external conditions such as the weather, the amount of traffic, the type of environment, and other factors that can influence the analysis of the system. Based on our previous research, we advocate the use of virtual environments (VEs) for experimental verification of the next generation of ALDSs, since VEs are a practical alternative to the inflexibilities of real world environments (Sadeghian et al, 2005(Sadeghian et al, , 2006c.…”

Section: Experimental Verification Of the Next Generation Of Aldssmentioning

confidence: 99%

“…In our previous research, we have created multiple virtual cities and used them to study route preferences and the navigation process (Sadeghian et al, 2005(Sadeghian et al, , 2006a(Sadeghian et al, , 2006b(Sadeghian et al, , 2006c. The virtual cities provided an adaptable environment where routes with different types of characteristics and scenery were easily generated.…”

Section: Experimental Verification Of the Next Generation Of Aldssmentioning

confidence: 99%

“…Most importantly, the VEs provided the test-bed environment to experiment with a navigation assistance system we developed. Using the VEs, we were able to objectively prove that our proposed navigation assistance system, which is applicable in the real world, can significantly improve the novice user's wayfinding ability (Sadeghian et al, 2006a(Sadeghian et al, , 2006c.…”

Section: Experimental Verification Of the Next Generation Of Aldssmentioning

confidence: 99%

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The New Generation of Automatic Landmark Detection Systems: Challenges and Guidelines

Sadeghian

Kantardzic

2008

Spatial Cognition & Computation

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Landmarks are salient objects in an environment. They play an important role in navigation by serving as orientation aids and marking decision points. Recently, there have been several efforts to design methods to automatically designate certain buildings with salient features as landmarks. All of these methodologies consist of similar steps: (a) establishing a neighborhood, usually around an intersection, (b) performing statistical or data mining analysis to find the building with outlier characteristics, and (c) establishing this salient building as the local landmark. Although these advances are significant, we believe that there are still several key issues that need to be fully addressed in order to realize the new generation of Automatic Landmark Detection Systems (ALDSs). Currently, the main shortcomings in the domain of ALDSs is the lack of a thorough and systematic study of attributes of objects that are analyzed to select landmarks, and deficient experimental verification of the benefits of ALDSs to the end users. Unless, these shortcomings are thoroughly addressed, the viability, applicability, and usefulness of ALDSs are uncertain. On the other hand, automatic landmark detection has the potential to be a dynamic, fascinating, and interdisciplinary research topic with wide applicability. Therefore, the goal of this paper is to discuss the current shortcomings in the domain of landmark detection, propose some preliminary solutions, and provide general guidelines for implementation of the new generation of ALDSs. Specifically, we discuss and promote the importance of: (a) widening the types of attributes analyzed in the landmark detection process, (b) weighting each attribute relative to its significance, (c) extending the types of objects considered as landmark candidates beyond just buildings, (d) identifying landmarks outside the vicinity of intersections, (e) identifying false landmarks along routes, and (f) using virtual environments for experiments with ALDSs. Throughout the paper, we discuss several demonstrative examples and experiments to clarify and support the ideas and concepts that are being promoted.

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“…Unfortunately, hardware restrictions can make such enhancements impossible in many VR applications, leading researchers to investigate alternative synthetic navigation aids that can be included in an application to assist users as they move about the virtual worlds. Such aids include the use of maps [Aretz 1991] and trails [Ruddle, 2005], as well as providing route information from experienced users [Sadeghian 2006]. …”

Section: Introductionmentioning

confidence: 99%

Dynamic landmark placement as a navigation aid in virtual worlds

Cliburn¹,

Winlock²,

Rilea³

et al. 2007

Proceedings of the 2007 ACM Symposium on Virtual Reality Software and Technology

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In this paper, we explore the use of dynamically placed landmarks as navigation aids when users search a virtual world for target objects. Subjects were asked to search a virtual world four times for six red spheres. Eighty-six subjects participated in one of four conditions: no landmarks, statically placed landmarks, landmarks dynamically placed into the world at the subject's discretion that disappeared from trial to trial, and landmarks dynamically placed into the world at the subject's discretion that remained from trial to trial. An analysis of the experimental results revealed that dynamic landmarks which disappeared between trials had little impact on a subject's performance. However, when landmarks remained in the world from one trial to the next, subjects covered significantly less distance than those in the no landmark condition, and obtained similar performance to those in the static landmark condition. Results indicate that dynamically placed landmarks, which remain between visits, can serve as effective navigation aids in virtual worlds lacking obvious physical landmarks.

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The frequent wayfinding-sequence (FWS) methodology: Finding preferred routes in complex virtual environments

Cited by 22 publications

References 30 publications

Badges of Friendship: Social Influence and Badge Acquisition on Stack Overflow

Badges of Friendship: Social Influence and Badge Acquisition on Stack Overflow

The New Generation of Automatic Landmark Detection Systems: Challenges and Guidelines

Dynamic landmark placement as a navigation aid in virtual worlds

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