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US 8,751,439 B2Granted
Preserving privacy in natural language databases
AssigneeAT&T Intellectual Property II, L.P.
InventorsDilek Z. Hakkani-Tur, Yucel Saygin, Min Tang, Gokhan Tur
Life of this patent
Estimating the term…
Abstract
An apparatus and a method for preserving privacy in natural language databases are provided. Natural language input may be received. At least one of sanitizing or anonymizing the natural language input may be performed to form a clean output. The clean output may be stored.
Claims20
A method comprising:
- selecting a transcription of a spoken natural language input from a speaker, the transcription comprising sensitive information and non-sensitive information;
- sanitizing the sensitive information, to form a clean transcription of the spoken natural language input, the clean transcription having sanitized text and non-sanitized text;
- and
- anonymizing the non-sanitized text in the clean transcription by modifying a feature vector associated with the non-sanitized text, to yield a modified feature vector, such that the modified feature vector is associated with a mean feature vector of different speakers.
1 more element
A system comprising:
- a processor;
- and
- a computer-readable storage medium having instructions stored which, when executed by the processor, result in the processor performing operations comprising:
- selecting a transcription of a spoken natural language input from a speaker, the transcription comprising sensitive information and non-sensitive information;
- sanitizing the sensitive information, to form a clean transcription of the spoken natural language input, the clean transcription having sanitized text and non-sanitized text;
- and
- anonymizing the non-sanitized text in the clean transcription by modifying a feature vector associated with the non-sanitized text, to yield a modified feature vector, such that the modified feature vector is associated with a mean feature vector of different speakers.
4 more elements
A computer-readable storage device having instructions stored which, when executed by a computing device, result in the computing device performing operations comprising:
- selecting a transcription of a spoken natural language input from a speaker, the transcription comprising sensitive information and non-sensitive information;
- sanitizing the sensitive information, to form a clean transcription of the spoken natural language input, the clean transcription having sanitized text and non-sanitized text;
- and
- anonymizing the non-sanitized text in the clean transcription by modifying a feature vector associated with the non-sanitized text, to yield a modified feature vector, such that the modified feature vector is associated with a mean feature vector of different speakers.
1 more element
Dependencies are inferred from the claim text.