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ICDE
1995
IEEE
99views Database» more  ICDE 1995»
16 years 4 months ago
Record Subtyping in Flexible Relations by Means of Attribute Dependencies
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
Christian Kalus, Peter Dadam
104
Voted
SIGIR
2002
ACM
15 years 3 months ago
Predicting query performance
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
Stephen Cronen-Townsend, Yun Zhou, W. Bruce Croft
135
Voted
SOSP
2005
ACM
16 years 7 days ago
Capturing, indexing, clustering, and retrieving system history
We present a method for automatically extracting from a running system an indexable signature that distills the essential characteristic from a system state and that can be subjec...
Ira Cohen, Steve Zhang, Moisés Goldszmidt, ...
SIGSOFT
2010
ACM
15 years 1 months ago
Finding latent performance bugs in systems implementations
Robust distributed systems commonly employ high-level recovery mechanisms enabling the system to recover from a wide variety of problematic environmental conditions such as node f...
Charles Edwin Killian, Karthik Nagaraj, Salman Per...
IROS
2006
IEEE
113views Robotics» more  IROS 2006»
15 years 9 months ago
A Hybrid Approach to Practical Self Collision Detection System of Humanoid Robot
— Online self collision detection system for humanoid robots is an essentially important function for developing sensor based behaviors without worrying about breaking hardware. ...
Kei Okada, Masayuki Inaba