The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 28, 2023

Filed:

Jan. 28, 2021
Applicant:

Salesforce.com, Inc., San Francisco, CA (US);

Inventors:

Tong Niu, Sunnyvale, CA (US);

Semih Yavuz, Redwood City, CA (US);

Yingbo Zhou, Mountain View, CA (US);

Nitish Shirish Keskar, San Francisco, CA (US);

Huan Wang, Palo Alto, CA (US);

Caiming Xiong, Menlo Park, CA (US);

Assignee:

salesforce.com, inc., San Francisco, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 15/065 (2013.01); G06N 3/0455 (2023.01); G06F 18/20 (2023.01); G06F 40/20 (2020.01); G06F 40/289 (2020.01); G06F 40/45 (2020.01); G06F 40/284 (2020.01); G06F 40/242 (2020.01); G06F 18/22 (2023.01); G06F 18/214 (2023.01); G06N 7/01 (2023.01);
U.S. Cl.
CPC ...
G06F 40/284 (2020.01); G06F 18/214 (2023.01); G06F 18/22 (2023.01); G06F 40/242 (2020.01); G06N 7/01 (2023.01);
Abstract

Embodiments described herein provide dynamic blocking, a decoding algorithm which enables large-scale pretrained language models to generate high-quality paraphrases in an un-supervised setting. Specifically, in order to obtain an alternative surface form, when the language model emits a token that is present in the source sequence, the language model is prevented from generating the next token that is the same as the subsequent source token in the source sequence at the next time step. In this way, the language model is forced to generate a paraphrased sequence of the input source sequence, but with mostly different wording.


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