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» The Role of Models in Leveraging Information
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CHI
2007
ACM
15 years 10 months ago
Social practices in location-based collecting
The use of location-based technology to augment visitor experiences has received considerable attention over the years. In this paper, we take an alternative perspective on these ...
Kenton O'Hara, Tim Kindberg, Maxine Glancy, Lucian...
PODS
2004
ACM
158views Database» more  PODS 2004»
15 years 9 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...
TABLEAUX
2009
Springer
15 years 4 months ago
A Novel Architecture for Situation Awareness Systems
Situation Awareness (SA) is the problem of comprehending elements of an environment within a volume of time and space. It is a crucial factor in decision-making in dynamic environm...
Franz Baader, Andreas Bauer 0002, Peter Baumgartne...
SIGCOMM
2009
ACM
15 years 4 months ago
Economic issues in shared infrastructures
We define some interesting incentive issues that arise in the management of virtual infrastructures. We demonstrate that participants’ decisions about the quantities of infrast...
Costas Courcoubetis, Richard R. Weber
65
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AUSAI
2007
Springer
15 years 3 months ago
Merging Algorithm to Reduce Dimensionality in Application to Web-Mining
Dimensional reduction may be effective in order to compress data without loss of essential information. Also, it may be useful in order to smooth data and reduce random noise. The...
Vladimir Nikulin, Geoffrey J. McLachlan