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SIGMOD
2004
ACM
150views Database» more  SIGMOD 2004»
16 years 6 months ago
When one Sample is not Enough: Improving Text Database Selection Using Shrinkage
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
Panagiotis G. Ipeirotis, Luis Gravano
MIR
2010
ACM
232views Multimedia» more  MIR 2010»
16 years 1 months ago
Exploiting external knowledge to improve video retrieval
Most video retrieval systems are multimodal, commonly relying on textual information, low- and high-level semantic features extracted from query visual examples. In this work, we ...
David Vallet, Iván Cantador, Joemon M. Jose
ICRA
2008
IEEE
182views Robotics» more  ICRA 2008»
16 years 21 days ago
A body joint improves vertical to horizontal transitions of a wall-climbing robot
— Several recently-designed robots are able to scale steep surfaces using animal-inspired strategies for foot attachment and leg kinematics. These designs could be valuable for r...
Kathryn A. Daltorio, Timothy C. Witushynsky, Grego...
PLDI
2005
ACM
15 years 12 months ago
Automatic pool allocation: improving performance by controlling data structure layout in the heap
This paper describes Automatic Pool Allocation, a transformation framework that segregates distinct instances of heap-based data structures into seperate memory pools and allows h...
Chris Lattner, Vikram S. Adve
DEXA
2004
Springer
98views Database» more  DEXA 2004»
15 years 11 months ago
On Improving the Performance Dependability of Unstructured P2P Systems via Replication
Abstract. The ever-increasing popularity of peer-to-peer (P2P) systems provides a strong motivation for designing a dependable P2P system. Dependability in P2P systems can be viewe...
Anirban Mondal, Yi Lifu, Masaru Kitsuregawa