This inventor holds 2 USPTO granted patents. Top assignees: Science Applications International Corporation, Other. Active years: 2004-2006.
Location History:
- Vista, CA (US) (2004)
- Windsor, CA (US) (2006)
Company Filing History:

Years Active: 2004-2006
Title: Patrick John Graydon: Innovator in Natural Language Processing
Introduction
Patrick John Graydon is a notable inventor based in Windsor, CA (US). He has made significant contributions to the field of natural language processing, holding 2 patents that showcase his innovative approach to technology.
Latest Patents
One of his latest patents is the "Ontology-based parser for natural language processing." This invention incorporates a system and method for converting natural-language text into predicate-argument format, which can be utilized by various applications, including search engines and word processors. The ontology-based parser features functional components for receiving documents in multiple formats, tokenizing them into instances of concepts from an ontology, and assembling these concepts into predicates. It includes a sentence lexer that converts sentences into a sequence of ontological entities tagged with part-of-speech information, and a parser that transforms these sequences into predicate structures through a two-stage process.
Another significant patent is the "Concept-based search and retrieval system." This system indexes collections of documents using ontology-based predicate structures through automated or human-assisted methods. It extracts the concepts behind user queries to return documents that match those concepts. The system comprehends user intent and can perform off-line searches for unanswered queries, notifying users when a match is found.
Career Highlights
Throughout his career, Patrick has worked with various organizations, including Science Applications International Corporation. His work has focused on advancing the capabilities of natural language processing technologies.
Collaborations
Patrick has collaborated with notable individuals such as Justin Eliot Busch and Albert Deirchow Lin, contributing to the development of innovative solutions in his field.
Conclusion
Patrick John Graydon's contributions to natural language processing through his patents reflect his dedication to innovation and technology. His work continues to influence the way we interact with language and information.