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ICRA
2009
IEEE
211views Robotics» more  ICRA 2009»
14 years 2 months ago
Climbing rough vertical surfaces with hierarchical directional adhesion
— Prior research in biology and mechanics has shown the importance of hierarchy to the performance of dry adhesive systems on rough surfaces. The gecko utilizes several levels of...
Alan T. Asbeck, Sanjay Dastoor, Aaron Parness, Lau...
SSDBM
2010
IEEE
133views Database» more  SSDBM 2010»
13 years 5 months ago
PrefIndex: An Efficient Supergraph Containment Search Technique
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
Gaoping Zhu, Xuemin Lin, Wenjie Zhang, Wei Wang, H...
SIGMOD
1994
ACM
106views Database» more  SIGMOD 1994»
13 years 11 months ago
Multi-Step Processing of Spatial Joins
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
Thomas Brinkhoff, Hans-Peter Kriegel, Ralf Schneid...
CIKM
2008
Springer
13 years 9 months ago
Efficient sampling of information in social networks
As online social networking emerges, there has been increased interest to utilize the underlying social structure as well as the available social information to improve search. In...
Gautam Das, Nick Koudas, Manos Papagelis, Sushruth...
HVEI
2010
13 years 9 months ago
Perceptual quality assessment of color images using adaptive signal representation
Perceptual image distortion measures can play a fundamental role in evaluating and optimizing imaging systems and image processing algorithms. Many existing measures are formulate...
Umesh Rajashekar, Zhou Wang, Eero P. Simoncelli