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» Getting the right design and the design right
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CHI
2007
ACM
14 years 8 months ago
Meta-analysis of correlations among usability measures
Understanding the relation between usability measures seems crucial to deepen our conception of usability and to select the right measures for usability studies. We present a meta...
Kasper Hornbæk, Effie Lai-Chong Law
CHI
2003
ACM
14 years 8 months ago
Hardware companions?: what online AIBO discussion forums reveal about the human-robotic relationship
In this study, we investigated people's relationships with AIBO, a robotic pet, through 6,438 spontaneous postings in online AIBO discussion forums. Results showed that AIBO ...
Batya Friedman, Peter H. Kahn Jr., Jennifer Hagman
SIGMOD
2003
ACM
146views Database» more  SIGMOD 2003»
14 years 7 months ago
Estimating Compilation Time of a Query Optimizer
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
Ihab F. Ilyas, Jun Rao, Guy M. Lohman, Dengfeng Ga...
PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 7 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
SODA
2010
ACM
169views Algorithms» more  SODA 2010»
14 years 5 months ago
Efficiently Decodable Non-adaptive Group Testing
We consider the following "efficiently decodable" nonadaptive group testing problem. There is an unknown string x {0, 1}n with at most d ones in it. We are allowed to t...
Piotr Indyk, Hung Q. Ngo, Atri Rudra