Generalized encoding and decoding operators for lattice-based associative memories

  • Authors:
  • John McElroy;Paul Gader

  • Affiliations:
  • Computer and Information Science and Engineering Department, University of Florida, Gainesville, FL;Computer and Information Science and Engineering Department, University of Florida, Gainesville, FL

  • Venue:
  • IEEE Transactions on Neural Networks
  • Year:
  • 2009

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Abstract

During the 1990s, Ritter et al. introduced a new family of associative memories based on lattice algebra instead of linear algebra. These memories provide unlimited storage capacity, unlike linear-correlation-based models. The canonical lattice-based memories, however, are susceptible to noise in the initial input data. In this brief, we present novel methods of encoding and decoding lattice-based memories using two families of ordered weighted average (OWA) operators. The result is a greater robustness to distortion in the initial input data, and a greater understanding of the effect of the choice of encoding and decoding operators on the behavior of the system, with the tradeoff that the time complexity for encoding is increased.