Fruit-fly inspired neighborhood encoding for classification
Citation
Sinha, K., & Ram, P. (2021). Fruit-fly inspired neighborhood encoding for classification. Paper presented at the Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 1470-1480. doi:10.1145/3447548.3467246
Abstract
Inspired by the fruit-fly olfactory circuit, the Fly Bloom Filter [4] is
able to efficiently summarize the data with a single pass and has
been used for novelty detection. We propose a new classifier that
effectively encodes the different local neighborhoods for each class
with a per-class Fly Bloom Filter. The inference on test data requires
an efficient FlyHash [6] operation followed by a high-dimensional,
but very sparse, dot product with the per-class Bloom Filters. On
the theoretical side, we establish conditions under which the predictions of our proposed classifier agrees with the predictions of
the nearest neighbor classifier. We extensively evaluate our proposed scheme with 71 data sets of varied data dimensionality to
demonstrate that the predictive performance of our proposed neuroscience inspired classifier is competitive to the nearest-neighbor
classifiers and other single-pass classifiers.
Description
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