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PODS
2012
ACM
253views Database» more  PODS 2012»
13 years 8 months ago
Local transformations and conjunctive-query equivalence
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
Ronald Fagin, Phokion G. Kolaitis
IUI
2005
ACM
15 years 12 months ago
Task learning by instruction in tailor
In order for intelligent systems to be applicable in a wide range of situations, end users must be able to modify their task descriptions. We introduce Tailor, a system that allow...
Jim Blythe
AI
2000
Springer
15 years 6 months ago
Model-based reasoning about learner behaviour
Automated handling of tutoring and training functions in educational systems requires the availability of articulate domain models. In this article we further develop the applicat...
Kees de Koning, Bert Bredeweg, Joost Breuker, Bob ...
CHI
2005
ACM
16 years 6 months ago
Interrupted cognition and design for non-disruptiveness: the skilled memory approach
Interruptions have gained in importance as a topic in current HCI research. Through a series of experiments, we take a step toward analyzing the active role of human memory in con...
Antti Oulasvirta
SIGMETRICS
2006
ACM
116views Hardware» more  SIGMETRICS 2006»
16 years 10 days ago
The Erlang model with non-poisson call arrivals
The Erlang formula is known to be insensitive to the holding time distribution beyond the mean. While calls are generally assumed to arrive as a Poisson process, we prove that it ...
Thomas Bonald