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CHI
2009
ACM
14 years 8 months ago
Sizing the horizon: the effects of chart size and layering on the graphical perception of time series visualizations
We investigate techniques for visualizing time series data and evaluate their effect in value comparison tasks. We compare line charts with horizon graphs--a space-efficient time ...
Jeffrey Heer, Nicholas Kong, Maneesh Agrawala
AICT
2008
IEEE
131views Communications» more  AICT 2008»
14 years 1 months ago
On the Handoff-Call Blocking Probability Calculation in W-CDMA Cellular Networks
In this paper, we investigate the call blocking probability calculations in the uplink of W-CDMA mobile cellular networks. In these networks, we distinguish two types of blocking,...
Vassilios G. Vassilakis, Georgios A. Kallos, Ioann...
WSC
2008
13 years 9 months ago
Calculating float in linear schedules with singularity functions
This paper presents an exact approach of calculating float for each activity in linear schedules. It is based on singularity functions, which have been used previously to determin...
Gunnar Lucko, Angel A. Pena Orozco
ASPDAC
1998
ACM
79views Hardware» more  ASPDAC 1998»
13 years 11 months ago
Simultaneous Wire Sizing and Wire Spacing in Post-Layout Performance Optimization
- In this paper, we study the wire sizing and wire spacing problem for post-layout performance optimization under Elmore delay model. Both ground capacitance and coupled capacitanc...
Jiang-An He, Hideaki Kobayashi
FPCA
1995
13 years 11 months ago
Shortcut Deforestation in Calculational Form
In functional programming, intermediate data structures are often used to “glue’) together small programs. Deforestation is a program transformation to remove these intermedia...
Akihiko Takano, Erik Meijer