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FOIKS
2010
Springer
15 years 3 months ago
On the Existence of Armstrong Data Trees for XML Functional Dependencies
Armstrong databases are a popular tool in example-based database design. An Armstrong database for a given constraint set from a fixed constraint class Z satisfies precisely those ...
Sven Hartmann, Henning Köhler, Thu Trinh
ECTEL
2008
Springer
15 years 1 months ago
e-Learning in Higher Education: Searching for a Model of Curriculum Analysis
The main purpose behind the design of this experience is the idea of obtaining useful information to know how the online courses in our University have been developed, and trying t...
Linda J. Castaneda
CCR
2008
75views more  CCR 2008»
14 years 12 months ago
Some comments on hourglasses
The hourglass concept has been undisputable ruler of networking visions on the last years. As network evolution is now a hot topic, this article aims to reflect on this concept, h...
Rui L. Aguiar
CHI
2010
ACM
15 years 6 months ago
A stage-based model of personal informatics systems
People strive to obtain self-knowledge. A class of systems called personal informatics is appearing that help people collect and reflect on personal information. However, there is...
Ian Li, Anind K. Dey, Jodi Forlizzi
GROUP
2007
ACM
15 years 3 months ago
A field study of community bar: (mis)-matches between theory and practice
Community Bar (CB) is groupware supporting informal awareness and casual interaction. CB's design was derived from three sources: prior empirical research findings concerning...
Natalia A. Romero, Gregor McEwan, Saul Greenberg