Patent · US Active

Detecting duplicate tables in data lake databases

US12326871B2 · kind B2 · utility

0Cited by

11References

20Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Karina Elayne Kervin · Albany, US
Jian Wu · Hangzhou City, CN
Sibasis Das · Sherghati, IN
Radha M. De · Jharia, IN
Swaminathan Balasubramanian · Troy, US
Cheranellore Vasudevan · Austin, US

Key dates

Filing date	Nov 13, 2023
Grant date	Jun 10, 2025
Priority date	—
Expiry date	Nov 13, 2043

Classification

Technology area (CPC G)Physics
CPC primaryG06N5/022
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Detecting duplicate tables by converting relational tables to knowledge graphs; and mapping nodes in the knowledge graphs to sources in the relational tables. The method may further include applying graph matching to the knowledge graphs; and assessing degree of matching between matched knowledge graphs.

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