Efficient learning in adaptive processing of data structures

被引:16
作者
Cho, SY [1 ]
Chi, ZR [1 ]
Wang, ZY [1 ]
Siu, WC [1 ]
机构
[1] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Ctr Multimedia Signal Proc, Kowloon, Hong Kong, Peoples R China
关键词
adaptive processing of data structures; backpropagation through structures; long-term dependency problem;
D O I
10.1023/A:1023680629977
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Many researchers have explored the use of neural network models for the adaptive processing of data structures. The learning formulation for one of the models is known as the Backpropagation Through Structure (BPTS) algorithm. The main limitations of the BPTS algorithm are attributed to the problems of slow convergence speed and long-term dependency. In this Letter, a novel heuristic algorithm is proposed. The idea of this algorithm is to optimize the free parameters of the node representation in data structure by using a hybrid type of learning algorithm. Encouraging results achieved demonstrate that this proposed algorithm outperforms the BPTS algorithm.
引用
收藏
页码:175 / 190
页数:16
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