The ornamental design for a displayscreen or portion thereof with graphical user interface, as shown and described.
The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.
The broken lines in the FIGURE represent portions of the display screen or portion thereof with graphical user interface that form no part of the claimed design.
Dynamic information management system and method for content delivery and sharing in content-, metadata- and viewer-based, live social networking among users concurrently engaged in the same and/or similar content