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» Verifiable Network-Performance Measurements
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71
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CHI
2011
ACM
14 years 1 months ago
When designing usability questionnaires, does it hurt to be positive?
When designing questionnaires there is a tradition of including items with both positive and negative wording to minimize acquiescence and extreme response biases. Two disadvantag...
Jeff Sauro, James R. Lewis
WWW
2008
ACM
15 years 11 months ago
IRLbot: scaling to 6 billion pages and beyond
This paper shares our experience in designing a web crawler that can download billions of pages using a single-server implementation and models its performance. We show that with ...
Hsin-Tsang Lee, Derek Leonard, Xiaoming Wang, Dmit...
85
Voted
WWW
2006
ACM
15 years 11 months ago
Invisible participants: how cultural capital relates to lurking behavior
The asymmetry of activity in virtual communities is of great interest. While participation in the activities of virtual communities is crucial for a community's survival and ...
Vladimir Soroka, Sheizaf Rafaeli
94
Voted
CCS
2009
ACM
15 years 5 months ago
Proximity-based access control for implantable medical devices
We propose a proximity-based access control scheme for implantable medical devices (IMDs). Our scheme is based on ultrasonic distancebounding and enables an implanted medical devi...
Kasper Bonne Rasmussen, Claude Castelluccia, Thoma...
88
Voted
SIGIR
2009
ACM
15 years 4 months ago
Evaluating web search using task completion time
We consider experiments to measure the quality of a web search algorithm based on how much total time users take to complete assigned search tasks using that algorithm. We first ...
Ya Xu, David Mease