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Anomalous Behavior Detection Framework Using HTM-Based Semantic Folding Technique.

Hamid Masood Khan1, Fazal Masud Khan1, Aurangzeb Khan2

  • 1Institute of Computing and Information Technology, Gomal University, D.I.Khan, Pakistan.

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This research introduces a novel framework for anomaly detection using Hierarchical Temporal Memory (HTM) and Semantic Folding Theory (SFT). The model continuously learns temporal sequences and identifies deviations, adapting to new patterns as normal behavior.

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Area of Science:

  • Artificial Intelligence
  • Neuroscience
  • Machine Learning

Background:

  • The human neocortex inspires the Hierarchical Temporal Memory (HTM) model for sequence learning.
  • Semantic Folding Theory (SFT) utilizes HTM to represent data streams as sparse distributed representations (SDRs).
  • SFT provides a structural basis for semantic representation in natural language processing.

Purpose of the Study:

  • To develop a robust anomalous behavior detection framework using HTM-based SFT.
  • To improve decision-making through anomaly detection in data streams.
  • To enable continuous learning of temporal sequences and adapt to evolving patterns.

Main Methods:

  • Implementation of Hierarchical Temporal Memory (HTM) for sequence learning.
  • Application of Semantic Folding Theory (SFT) for data stream representation using SDRs.
  • Development of an unsupervised learning rule for continuous temporal sequence analysis.

Main Results:

  • The proposed framework effectively detects static (spatial) and temporal anomalies.
  • The HTM system demonstrates continuous learning, adapting to new patterns as 'normal'.
  • The model learns the order of variables in temporal sequences through unsupervised learning.

Conclusions:

  • The HTM-based SFT framework offers a robust approach to anomalous behavior detection.
  • This method enhances decision-making by accurately identifying deviations in data streams.
  • The system's continuous learning capability allows it to adapt to dynamic data environments.