International Business Machines Corporation

Yichong Yu

Igor Anatolyevich Naumov

Danny Soroker

Bo Yang

Anca Sailer

Tian Cheng Liu

Shubir Kapoor

An example operation may include one or more of generating, by an organization node, an item traceability graph comprising a plurality of expandable nodes, and executing, by the organization node, a smart contract to: acquire user role-based behavior results from the blockchain, and adjust expandability settings of the plurality of the expandable nodes based on the user role-based behavior results.

Behavior driven graph expansion

An example operation may include one or more of receiving, by a certificate issuer node, an asset certification request from an asset producer node over a blockchain, endorsing, by the certificate issuer node, an asset certificate in response to detection of the asset certificate issued to the asset producer node by another certificate issuer node, and recording a signature of the certificate issuer node into an asset producer node certification record on the blockchain.

Entity certification management

An example operation may include one or more of receiving, by a certificate issuer node, an asset certification request from an asset producer node over a blockchain, generating, by the certificate issuer node, a digital certificate linked to the asset certification request and assigned to the asset producer node, linking, by the certificate issuer node, the digital certificate to an authority of the certificate issuer node, and signing, by the certificate issuer node, the digital certificate to ensure origin and integrity of the asset.

An example operation may include one or more of determining, by a supply-chain node, a plurality of assets of a supply-chain node, and executing, by the supply-chain node, a smart contract to: assign aliases to the plurality of the assets; and match the plurality of the assets with a plurality of assets of a different supply-chain node based on the aliases.

Data linkage across multiple participants

An example operation may include one or more of acquiring, by an organization node, a user profile from a blockchain, determining, by the organization node, a role of the user based on the user profile, detecting, by the organization node, user actions directed to graph expansions, and executing, by the organization node, a smart contract to analyze user behavior based on the detected user actions and the role to produce role-based user behavior parameters.

An example operation may include one or more of determining, by a supply-chain node, a plurality of assets of the supply-chain node, generating, by the supply-chain node, key-value pairs for each asset of the plurality of the assets, forming, by the supply-chain node, asset matching rules for matching the plurality of the assets of the supply chain node to assets from another supply-chain node, and creating a plurality of aliases for the plurality of assets of the supply-chain node based on the key-value pairs and the matching rules.

Computer-implemented methods, computer program products and systems for automated self-recovery of a distributed service are disclosed. In embodiments, a missing resource of the service is determined based on a pre-defined service description responsive to a detection of a failure of the service. The service description defines base elements for recovering the service. A recovery strategy is further generated based on the missing resource in accordance with inference rules. A resource is further retrieved from a pool in accordance with the recovery strategy and based on the retrieved resource, the service is further recovered in accordance with the recovery strategy.

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Yorktown Heights, NY, United States of America

Yichong Yu