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» Selecting an Approach to Designing Group Support Systems
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C5
2003
IEEE
15 years 11 months ago
A Conceptual Framework for Learning Experience Design
This paper describes our approach of utilizing a computational environment to apply a learner’s learning process as a first class object. With this approach, the learner’s le...
Kumiyo Nakakoji, Kazuaki Yamada, Yasuhiro Yamamoto...
ICDCSW
2007
IEEE
16 years 23 days ago
UBCA: Utility-Based Clustering Architecture for Peer-to-Peer Systems
Peer-to-Peer (P2P) systems are currently used in a variety of applications. File sharing applications and ad hoc networking have fueled the usage of these systems. P2P systems gen...
Brent Lagesse, Mohan Kumar
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 10 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
EDBT
2010
ACM
152views Database» more  EDBT 2010»
15 years 9 months ago
Feedback-based annotation, selection and refinement of schema mappings for dataspaces
The specification of schema mappings has proved to be time and resource consuming, and has been recognized as a critical bottleneck to the large scale deployment of data integrati...
Khalid Belhajjame, Norman W. Paton, Suzanne M. Emb...
CHI
1995
ACM
15 years 10 months ago
SageTools: an intelligent environment for sketching, browsing, and customizing data-graphics
Our approach views data-graphic design as two complementary processes: design as a constructive process of selecting and arranging graphical elements, and design as a process of b...
Steven F. Roth, John Kolojejchick, Joe Mattis, Mei...