Patent · US Active

Systems and methods for keyword determination and document classification from unstructured text

US10275516B2 · kind B2 · utility

5Cited by

2References

18Claims

0Family size

Assignee

President and Fellows of Harvard College · US

Inventors

Gary King · Brookline, US
Margaret Roberts · Cambridge, US
Patrick Pak Kit Lam · Cambridge, US

Key dates

Filing date	Jul 14, 2014
Grant date	Apr 30, 2019
Priority date	—
Expiry date	Oct 17, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG06N20/00
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

In various embodiments, documents are searched and retrieved via receipt of a search query, electronically identifying a reference set of relevant documents, providing a search set of documents, creating a database comprising at least some of the documents of the search set and the reference set, computationally classifying the documents in the database, extracting keywords from the search set and one or more classified sets, optionally filtering the extracted keywords, and electronically identifying at least some of the documents from the database that contain one or more of the extracted keywords.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.