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PPDP
2010
Springer
15 years 5 months ago
Graph queries through datalog optimizations
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
K. Tuncay Tekle, Michael Gorbovitski, Yanhong A. L...
VTC
2006
IEEE
16 years 18 days ago
Multiuser Downlink MIMO Beamforming Using an Iterative Optimization Approach
Multiple antennas at the transmitter and the receiver have the potential to either increase the data rate through spatial multiplexing or enhance the quality of transmission throu...
Vimal Sharma, Sangarapillai Lambotharan
MICCAI
2001
Springer
15 years 11 months ago
Optimal Port Placement in Robot-Assisted Coronary Artery Bypass Grafting
A computer-based algorithm is being developed which, using preoperative images, provides the surgeon with a list of feasible port triplets ranked according to tool dexterity and en...
Shaun Selha, Pierre E. Dupont, Robert D. Howe, Dav...
GECCO
2003
Springer
15 years 11 months ago
Mining Comprehensible Clustering Rules with an Evolutionary Algorithm
In this paper, we present a novel evolutionary algorithm, called NOCEA, which is suitable for Data Mining (DM) clustering applications. NOCEA evolves individuals that consist of a ...
Ioannis A. Sarafis, Philip W. Trinder, Ali M. S. Z...
FCT
2001
Springer
15 years 11 months ago
Polynomial Time Algorithms for Finding Unordered Tree Patterns with Internal Variables
Many documents such as Web documents or XML files have tree structures. A term tree is an unordered tree pattern consisting of internal variables and tree structures. In order to ...
Takayoshi Shoudai, Tomoyuki Uchida, Tetsuhiro Miya...