Grammar Model for Structured Search Queries

Patent №

US 9,105,068

Granted

2015-08-11

Filed 2012

Owner

FACEBOOK, INC.

AI components

5

ml · nlp · speech · kr · hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

13674695

In one embodiment, a method includes accessing a social graph that includes a plurality of nodes and edges, receiving an unstructured text query, identifying nodes and edges that correspond to n-grams of the text query, accessing a context-free grammar model, identifying grammars having query tokens that correspond to the identified nodes and edges, determining a score for each identified grammar, and then generating structured queries based on the identified grammars based on strings generated by the grammars.

Machine learningNatural languageSpeechKnowledge representationAI hardwareG06F 16/90324G06F 16/24578G06F 16/288G06F 16/33G06F 16/9024G06F 16/9535G06F 16/9537G06F 40/253+1 more

AI classification

Natural language1.00
Machine learning1.00
Speech1.00
Knowledge representation1.00
AI hardware0.99
Evolutionary computation0.08
Vision0.00
Planning0.00

Ownership

FACEBOOK, INC.

assignment · 297290721

Assignors

LEE, YOFAY KARI, COHEN, MICHAEL BENJAMIN, BOUCHER, MAXIME, AZZOLINI, ALISSON GUSATTI, LI, XIAO, RASMUSSEN, LARS EILSTRUP, HYMES, KATHRYN, CAMPBELL, AMY

On an employer assignment, the assignors are typically the inventors.

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