International Business Machines Corporation

Airbnb, Inc.

Lisa M Frankel

Yuhong Yin

Danny Soroker

Paul Komar

Peter H Klenk

Matthew R Alexander

James Arthur Lindeman

An example operation may include one or more of authenticating a user, by a first system node, based on a first set of user credentials, computing, by the first system node, a second set of user credentials for a second system node, determining, by the first system node, if the second system node has a user with the second set of the user credentials, and responsive to the second system node not having the user with second set of the user credentials, deleting, by the first system node, an existing user of the second system node.

Dynamic management of user identifications

An example operation may include one or more of authenticating a user, by a first system node, based on a first set of user credentials, computing, by the first system node, a second set of user credentials for a second system node, testing the second system node, by the first system node, to determine if the second system node has a user with the second set of the user credentials, and responsive to the second system node not having the user with the second set of the user credentials, creating a user with the second set of the user credentials.

An example operation may include one or more of registering a first service node and a second service node for accessing a common data store, providing to the second client node, by the first client node, a data access request token key and a data access receipt key corresponding to a data access request, responsive to a receipt of the access request token key and the data access receipt key by the second service, retrieving a result from the common data store; and providing the result to the second client node.

Decentralized secure data sharing

An example operation may include one or more of authenticating, by a first service node, to a first client node, receiving, by the first service node, a data access request from the first client node, comprising request parameters and a request token, generating, by the first service node, a receipt key corresponding to the data access request, and sharing data with a second client node based on the request token and the receipt key.

Providing dynamic, interest-based change notifications includes detecting an event for an artifact managed by a collaborative system, determining a user subscribed to the artifact, and, responsive to the event, calculating a score for the event using a processor. The score is user-specific and indicates a level of interest of the user for the event. The score is compared with a threshold score. A change notification of the event is sent to the user responsive to determining that the score exceeds the threshold score.

Dynamic interest-based notifications

An example operation may include one or more of registering, by a data sharing node, a first service node and a second service node for accessing a common data store, causing, by the data sharing node, a first client node associated with the first service node to provide a data access request token key and a receipt key to a second client node associated with the second service node based on a data access request received from the second client node, assigning, by the data sharing node, weights to the data access request token key and to the receipt key, and causing, by the data sharing node, the second service node to retrieve a result from the data source based on the assigned weights.

A method, computer program product, and computer system for maintaining, between a plurality of participating computing devices, a collaboration session that includes a group instant messaging session within an object, wherein the plurality of participating computing devices includes a host computing device and one or more non-host computing devices in the group instant messaging session. A first sub-object of a plurality of sub-objects is generated within the object, wherein the first sub-object is rendered on the host computing device and the one or more non-host computing devices. Permission is assigned to the host computing device to edit content in the first sub-object, wherein the content in the first sub-object is rendered on the host computing device and the one or more non-host computing devices, and wherein the non-host computing devices are precluded from editing the content in the first sub-object.

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Littleton, MA, United States of America

Lisa M Frankel