RIAD LEMHACHHECHE
Research · Ubiquitous computing

Management and Deployment of Ubiquitous Computing Environment

M.Sc. Industrial Engineering, Oregon State University — June 7, 2006
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The Valley Library at Oregon State University
The Valley Library, Oregon State University — photographed June 2004, during the research.
119
references
536
survey respondents
88%
expert or familiar with Wi-Fi
2006
published
Summary

The research addresses the challenge of designing, deploying and maintaining ubiquitous computing environments, where devices and services are seamlessly integrated into everyday life. It argues that successful Ubicomp design requires a multidisciplinary framework going beyond technology — incorporating social, legal and economic perspectives to improve user experience.

A framework synthesising context awareness, privacy and adaptation is applied to a wireless local area network as a case study, then validated through an online survey of Wi-Fi users. The survey surfaced confusion between privacy and security, insufficient user information, and unclear legal implications of open Wi-Fi access.

Key contributions
—A structured design framework for Ubicomp systems, integrating user experience with legal, economic and social factors.
—Empirical evidence from a Wi-Fi case study and a 536-respondent user survey supporting the framework.
—Identification of critical issues — privacy controls, user information, policy management — for successful Ubicomp deployment.
Extracted passages

What the thesis argued, in its own words

Needs-Satisfaction Curve

p. 5

“Computing has reached a stage of maturity in terms of technology and therefore research should shift to improving the user experience associated to computing activities. This shift implies a complete reconsideration of the relationship between users and computing resources.”

Forces Affecting a Computing System

p. 6

“All of the forces depicted in Figure 2 have an important impact on how the field of Ubicomp will develop and how an Ubicomp system will be designed.”

Major Projects Table

p. 9

Table 1 lists pioneering projects such as PARCTab, Active Badge, Classroom 2000, AURA, Cooltown, Oxygen, and Labscape, each with distinctive goals and technological approaches.“Despite the fact that each of the projects shown in Table 1 has different goals and follows specific procedures to reach these goals, they all emphasize the user experience.”

Privacy in Early Ubicomp Projects

p. 11

“One of the factors that became critical in both of these projects was the privacy concern associated with the availability of real-time localization. ... Centralized architectures require users to trust the operators of the service, both to properly use location data and to sufficiently protect it.”

Context-Awareness and User Control

p. 17

“The balance between the intelligence of the environment and user involvement cannot be set globally. Mechanisms to link context acquisition and context use should also be designed since there is a need to agree on representations of context.”

Face Properties in Privacy Interfaces

p. 25

The thesis references a UC Berkeley project that lets users define "faces" for privacy:“The interface for the Everyday Privacy in Ubiquitous Computing project at the University of California Berkeley introduced the concept of face that summarizes these types of disclosure.”

Folksonomy and User-Generated Metadata

p. 37

“One of the most famous examples of folksonomy is the online application del.icio.us where the metadata is called tags. ... The webpage is linked based on its URL, which is augmented with information such as keywords (tags), notes and descriptions that are personalized for this user.”

Wi-Fi Case Study and Survey

p. 87

“The survey was taken by 536 people and the distribution of respondents based on self-reported Wi-Fi expertise is shown in Figure 24. A majority of respondents considered themselves as experts (55.1%) or familiar (33.3%) with the Wi-Fi technology.”

Connect Commons License

p. 79

“ Connect Commons license could be provided by the producers of the connectivity to inform the consumers of the rights and privileges available through a particular connection. ... A license, both machine- and user-readable, could facilitate the access to this kind of information.”

Information Provided by Wi-Fi Infrastructure

p. 58

“Our design incorporates three major components: a network facts module, a network stats module and a connect commons license.”

Published from this research
Personal Connectivity Management in Wireless Networking
IT@Home workshop, CHI 2006 — Conference on Human Factors in Computing Systems, Montréal · 2006
Design for Appropriation of Ubiquity in Information Systems
International Reports on Socio-Informatics, Vol. 2, Issue 2 · 2005
Methodology for the Deployment of Effective Campus Wireless Environment Infrastructures
14th Industrial Engineering Research Conference, Atlanta — with J.D. Porter, T. Puthpongsiriporn · 2005
Campus Wireless Environment Deployment Guide
Intel Corporation — Oregon State University · 2005
Teaching · Oregon State, 2002Lego RCX for computer science teachingRobotics labs in the School of EECS covering networking protocols, gateway communication and algorithmic search — funded by the Hewlett Foundation.→
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