Importance

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Abstract

The invention relates to an organization's system configured to label a given document based on an on-cloud classification service, while maintaining confidentiality of the document's content from all entities external to the organization, comprising: (a) an encoder configured to receive the given document, and to create an embedding of the given document; (b) a deconvolution unit having a neural network, wherein weights of neurons within the neural network are defined relative to a key, said deconvolution unit being configured to receive said embedding, deconvolve the embedding, thereby to create a scrambled document which is then sent to the on-cloud classification service; (c) a pre-trained internal inference network, configured to: (i) receive from said on-cloud service a cloud-classification of said scrambled document, (ii) to also receive a copy of said embedding, and (ii) to infer, given said received cloud-classification and said embedding copy, a true label of the given document.

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First Claim