INTELLIGENT ONLINE PERSONAL ASSISTANT WITH NATURAL LANGUAGE UNDERSTANDING

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United States of America Patent

SERIAL NO

15238675

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Abstract

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Systems and methods for transforming formal and informal natural language user inputs into a more formal, machine-readable, structured representation of a search query. In one scenario, a processed sequence of user inputs and machine-generated prompts for further data from a user in a multi-turn interactive dialog improves the efficiency and accuracy of automated searches for the most relevant items available for purchase in an electronic marketplace. Analysis of user inputs may discern user intent, user input type, a dominant object of user interest, item categories, item attributes, attribute values, and item recipients. Other inputs considered may include dialog context, item inventory-related information, and external knowledge to improve inference of user intent from user input. Different types of analyses of the inputs each yield results that are interpreted in aggregate and coordinated via a knowledge graph based on past users' interactions with the electronic marketplace and/or inventory-related data.

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Patent Owner(s)

Patent OwnerAddress
EBAY INC2145 HAMILTON AVENUE SAN JOSE CA 95125

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hewavitharana, Sanjika Milpitas, US 10 44
Kale, Ajinkya Gorakhnath San Jose, US 19 23
Mansour, Saab San Jose, US 1 2

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