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ISMAR
2002
IEEE
15 years 11 months ago
Alternative Tools for Tangible Interaction: A Usability Evaluation
In this work we compare an in-house designed Tangible User Interface (TUI) with three alternative single-user tools through an empirical investigation. These three alternative too...
Morten Fjeld, Sissel Guttormsen Schär, Domeni...
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
16 years 6 months ago
Semantics and Evaluation Techniques for Window Aggregates in Data Streams
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
Jin Li, David Maier, Kristin Tufte, Vassilis Papad...
ICDE
1998
IEEE
147views Database» more  ICDE 1998»
16 years 8 months ago
The Effect of Buffering on the Performance of R-Trees
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...
Scott T. Leutenegger, Mario A. Lopez
CIKM
2008
Springer
15 years 8 months ago
Energy-efficient skyline query processing and maintenance in sensor networks
The skyline query, as an important operator in databases for multi-preference analysis and decision making, has received much attention recently due to its wide application backgr...
Weifa Liang, Baichen Chen, Jeffrey Xu Yu
IMC
2010
ACM
15 years 4 months ago
High speed network traffic analysis with commodity multi-core systems
Multi-core systems are the current dominant trend in computer processors. However, kernel network layers often do not fully exploit multi-core architectures. This is due to issues...
Francesco Fusco, Luca Deri