Journal of Guangdong University of Technology ›› 2017, Vol. 34 ›› Issue (05): 56-59.doi: 10.12052/gdutxb.160157

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A Digital Order-Preserving-Matching Algorithm Based on Binary Coding Processing

Luo Guo-hui, Lin Sui, Jiang Wen-chao   

  1. School of Computers Science, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2016-12-07 Online:2017-09-09 Published:2017-07-10

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Abstract: Giving a digital text T and a number of text paragraphs P, and then finding in T all the same order with P-related sub-string is called the digital order preserving and matching. Digital order-matching is the focus of research on similarity and prediction trend, widely used in stock forecast, fund trend and weather forecast. Aiming at the efficiency of preserving and matching algorithm in digital matching, a character matching method based on binary coding has been proposed. Firstly, the binary characters are preprocessed before the order matching. Then the four main algorithms are used to achieve the order-preserving and matching, and the matching time and complexity are compared and analyzed. The experimental results show that the proposed method effectively improves the efficiency of digital character matching while maintaining a low time complexity.

Key words: order-preserving, binary-coding, time complexity, character matching algorithm

CLC Number: 

  • TP301
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