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SIGIR
2002
ACM
15 years 3 months ago
Effective collection metasearch in a hierarchical environment: global vs. localized retrieval performance
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
Jack G. Conrad, Changwen Yang, Joanne S. Claussen
VLDB
2002
ACM
95views Database» more  VLDB 2002»
15 years 3 months ago
Effective Change Detection Using Sampling
For a large-scale data-intensive environment, such as the World-Wide Web or data warehousing, we often make local copies of remote data sources. Due to limited network and computa...
Junghoo Cho, Alexandros Ntoulas
SAC
2008
ACM
15 years 3 months ago
The volume in focus: hardware-assisted focus and context effects for volume visualization
In many volume visualization applications there is some region of specific interest where we wish to see fine detail - yet we do not want to lose an impression of the overall pict...
Marcelo Cohen, Ken W. Brodlie, Nick Phillips
CEC
2011
IEEE
14 years 4 months ago
Effective ranking + speciation = Many-objective optimization
—Multiobjective optimization problems have been widely addressed using evolutionary computation techniques. However, when dealing with more than three conflicting objectives (th...
Mario Garza-Fabre, Gregorio Toscano Pulido, Carlos...
CHI
2005
ACM
16 years 4 months ago
Effects of reproduction equipment on interaction with a spatial audio interface
Spatial audio displays have been criticized because the use of headphones may isolate users from their real world audio environment. In this paper we study the effects of three ty...
Georgios N. Marentakis, Stephen A. Brewster