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CHI
2008
ACM
14 years 8 months ago
Activity-based prototyping of ubicomp applications for long-lived, everyday human activities
We designed an activity-based prototyping process realized in the ActivityDesigner system that combines the theoretical framework of Activity-Centered Design with traditional iter...
Yang Li, James A. Landay
PODS
2004
ACM
131views Database» more  PODS 2004»
14 years 8 months ago
On the Decidability of Containment of Recursive Datalog Queries - Preliminary report
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
Piero A. Bonatti
PPPJ
2006
ACM
14 years 2 months ago
The Project Maxwell assembler system
The JavaTM programming language is primarily used for platform-independent programming. Yet it also offers many productivity, maintainability and performance benefits for platfo...
Bernd Mathiske, Douglas N. Simon, Dave Ungar
DEXAW
2004
IEEE
209views Database» more  DEXAW 2004»
13 years 12 months ago
Spatio-Temporal Data Warehouse Design for Human Activity Pattern Analysis
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
Lionel Savary, Tao Wan, Karine Zeitouni
ICIP
2001
IEEE
14 years 9 months ago
Image data mining from financial documents based on wavelet features
In this paper, we present a framework for clustering and classifying cheque images according to their payee-line content. The features used in the clustering and classificationpro...
Ossama El Badawy, Mahmoud R. El-Sakka, Khaled Hass...