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» Optimal query complexity bounds for finding graphs
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VLDB
2002
ACM
143views Database» more  VLDB 2002»
13 years 7 months ago
SQL Memory Management in Oracle9i
Complex database queries require the use of memory-intensive operators like sort and hashjoin. Those operators need memory, also referred to as SQL memory, to process their input ...
Benoît Dageville, Mohamed Zaït
ISAAC
1998
Springer
72views Algorithms» more  ISAAC 1998»
13 years 12 months ago
Casting with Skewed Ejection Direction
Casting is a manufacturing process in which liquid is poured into a cast (mould) that has a cavity with the shape of the object to be manufactured. The liquid then hardens, after ...
Hee-Kap Ahn, Siu-Wing Cheng, Otfried Cheong
SIGECOM
2004
ACM
93views ECommerce» more  SIGECOM 2004»
14 years 1 months ago
Strategic deliberation and truthful revelation: an impossibility result
In many market settings, agents do not know their preferences a priori. Instead, they may have to solve computationally complex optimization problems, query databases, or perform ...
Kate Larson, Tuomas Sandholm
VLDB
2007
ACM
130views Database» more  VLDB 2007»
14 years 8 months ago
A Simple and Efficient Estimation Method for Stream Expression Cardinalities
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
Aiyou Chen, Jin Cao, Tian Bu
SODA
2010
ACM
216views Algorithms» more  SODA 2010»
14 years 5 months ago
On linear and semidefinite programming relaxations for hypergraph matching
The hypergraph matching problem is to find a largest collection of disjoint hyperedges in a hypergraph. This is a well-studied problem in combinatorial optimization and graph theo...
Yuk Hei Chan, Lap Chi Lau