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| Number | Title | Issue Date |
| 6650777 | Searching and filtering content streams using contour transformations Methods and systems are provided for locating objects within a content stream, by transforming prospective objects and evaluating the results to identify meaningful semantic values. Transformation is accomplished using various contour transformations, pos... | 11/18/2003 |
| 6151688 | Resource management in a clustered computer system Methods, systems, and devices are provided for managing resources in a computing cluster. The managed resources include cluster nodes themselves, as well as sharable resources such as memory buffers and bandwidth credits that may be used by one or more no... | 11/21/2000 |
| 5553143 | Method and apparatus for electronic licensing The present invention allows for the electronic management and enforcement of software licenses. The present invention can be used in a network or non-network environment to facilitate product licensing and upgrades. Further, the present invention accommo... | 09/03/1996 |