Invention Grant
- Patent Title: Learning neuro-symbolic multi-hop reasoning rules over text
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Application No.: US16911645Application Date: 2020-06-25
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Publication No.: US11645526B2Publication Date: 2023-05-09
- Inventor: Mo Yu , Li Zhang , Tamir Klinger , Xiaoxiao Guo
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent Eric W. Chesley
- Main IPC: G06N3/08
- IPC: G06N3/08 ; G06N3/044

Abstract:
A method and a system for learning and applying neuro-symbolic multi-hop rules are provided. The method includes inputting training texts into a neural network as well as pre-defined entities. The training texts and the entities relate to a specific domain. The method also includes generating an entity graph made up of nodes and edges. The nodes represent the pre-defined entities, and the edges represent passages in the training texts with co-occurrence of the entities connected together by the edges. The method further includes determining a relation based on the passages for each of the pre-defined entities connected together by the edges, calculating a probability relating to the relation, generating a potential reasoning path between a head entity and a target entity. The method also includes learning a neuro-symbolic rule by converting the edges along the potential reasoning path into symbolic rules and combining those rules into the neuro-symbolic rule.
Public/Granted literature
- US20210406669A1 LEARNING NEURO-SYMBOLIC MULTI-HOP REASONING RULES OVER TEXT Public/Granted day:2021-12-30
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