• Title/Summary/Keyword: Integrated hierarchical temporal memory (IHTM)

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An Integrated Hierarchical Temporal Memory Network for Multi-interval Prediction of Data Streams (데이터 스트림의 다중-간격 예측을 위한 통합된 계층형 시간적 메모리 네트워크)

  • Diao, Jian-Hua;Bae, Sun-Gap;Sim, Myung-Sun;Bae, Jong-Min;Kang, Hyun-Syug
    • Journal of KIISE:Software and Applications
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    • v.37 no.7
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    • pp.558-567
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    • 2010
  • There is a large body of ongoing research to develop efficient prediction methods for data streams. These methods provide single prediction with a fixed time interval. It is necessary to develop a method for multi-interval prediction (MIP) because different prediction results may be obtained based on different intervals in many cases. In this paper, we propose a solution for MIP based on the Hierarchical Temporal Memory (HTM) model. In order to solve the problem of MIP with HTM, we present an Integrated Hierarchical Temporal Memory (IHTM) network by introducing a new node type Zeta1LastNode to the original HTM network. Using the hierarchical characteristic of the IHTM network, different levels in the network learn and model the features of a data stream with different intervals and generate prediction results for different intervals. Performance evaluation shows that the IHTM is efficient in the memory and time consumption compared with the original HTM network in MIP.