International Business Machines Corporation

Op40 Holding, Inc.

William B Rubin

Charles Paul Pace

Shuang Chen

One or more collaboration computers connected over the network may collaborate using their web browsers. Each collaboration computer may have one or more window locators that uniquely identify a web browser window on the browser. The web browser window can be a window where one or more events occur during the collaboration. One or more document locators may be derived from information describing a document path from the respective web browser window to a document within the respective web browser window. The document path can be a path in a hierarchical structure that includes the document and the respective web browser window. One or more transfer data structures may contain the window locator and the document locator and may be passed to and from the collaboration computer through a network connection to enable a collaboration session.

System and method for collaboration using web browsers

An implementation of one-to-many binary relations in an object-oriented database management system and object-oriented data model. The implementation includes storing all the information for the relationships of a relation contiguously inside the related instances, such as a source instance and a sink instance. The information stored within the related instances is used to create a doubly-linked ring of instances. The doubly-linked ring of instances is used in implementing a relation. In order to iterate through a relation, a cursor is employed. Encapsulated within the cursor are various pointers and data members which are used in cursing through the relation. The cursor is type safe and each cursor instance is maintained in a cursor dictionary, providing iteration safety. In addition, the cursor is operational in a forward direction and a backward direction, and the direction of the cursor can be dynamically switched.

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Poughkeepsie, NY, United States of America

William B Rubin