1
Stefik Mark J, Pirolli Peter L T: System for controlling the distribution and use of digital works using digital tickets. Xerox, June 5, 1996: EP0715247-A1 (280 worldwide citation)

A system for controlling the distribution and use of digital works (101) using digital tickets. In the present invention, a "digital ticket" is used to entitle the ticket holder to exercise some usage right (102) with respect to a digital work. Usage rights are used to define how a digital work may ...


2
Stefik Mark J, Pirolli Peter L T, Bobrow Daniel G: System for controlling the distribution and use of composite digital works. Xerox, June 5, 1996: EP0715246-A1 (242 worldwide citation)

A system for controlling use and distribution of composite digital works. A digital work is comprised of a description part (700) and a content part. The description part contains control information for the composite digital work. The content part stores the actual digital data comprising the compo ...


3
Stefik Mark J, Pirolli Peter L T, Merkle Ralph C: System for controlling the distribution and use of digital works having a fee reporting mechanism. Xerox, June 5, 1996: EP0715243-A1 (206 worldwide citation)

A fee accounting mechanism for reporting fees associated with the distribution and use of digital works. Usage rights and fees are attached to digital works. The usage rights define how the digital work may be used or further distributed. Usage fees are specified as part of a usage right. The digita ...


4
Pirolli Peter L T, Pitkow James E, Chi Ed H, Card Stuart K, Mackinlay Jock D, Gossweller Rich: Methods for interactive visualization of spreading activation using time tubes and disk trees. Xerox, October 20, 1999: EP0950961-A2 (22 worldwide citation)

Methods for displaying results of a spreading activation algorithm and for defining an activation input vector for the spreading activation algorithm are disclosed. A planar disk tree is used to represent the generalized graph structure being modeled in a spreading activation algorithm. Activation b ...


5
Pirolli Peter L T, Pitkow James E, Chi Ed H, Card Stuart K, Mackinlay Jock D, Gossweller Rich: Method, device, and medium for interactive activated spread visualization using time tube and circular tree. Xerox, January 28, 2000: JP2000-029660 (2 worldwide citation)

PROBLEM TO BE SOLVED: To display the result of activated spread algorithm by displaying activated bar on some or all nodes of a plane circular tree in its vertical dimension and encoding the final activation level obtained at the end of N-time iteration of the activated spread algorithm. SOLUTION: T ...


6
Chi Ed H, Pirolli Peter L T, Pitkow James E, Gossweller Rich, Mackinlay Jock D, Card Stuart K: Usage based methods of traversing and displaying generalized graph structures. Xerox, October 20, 1999: EP0950960-A2 (1 worldwide citation)

A method for generating a tree structure representation of a generalized graph structure for display includes the more important links in the representation. Usage parameters are referenced in generating the tree structure from the generalized graph structure. Frequency, recency, spacing of accesses ...


7
Pitkow James E, Pirolli Peter L T, Chi Ed H, Card Stuart K, Mackinlay Jock D, Gossweller Rich: Methods for visualizing transformations among related series of graphs. Xerox, October 20, 1999: EP0950962-A2 (1 worldwide citation)

A method for displaying in a coherent manner the changes over time of a web site's structure, usage, and content is disclosed. Time tubes are generated by a method of displaying a related series of graphs. Time tubes illustrate changes in a graph that undergoes one or more transformations from one s ...


8
Pitkow James E, Pirolli Peter L T, Chi Ed H, Card Stuart K, Mackinlay Jock D, Gossweller Rich: Method, device, and medium for visualizing deformation between series of relative graphs. Xerox, November 30, 1999: JP1999-327994

PROBLEM TO BE SOLVED: To make it possible to systematically display temporal variations of the structure and contents of a web site by generating and displaying a series of plane slices corresponding to a series of graphs. SOLUTION: A general computer 100 is equipped with at least a microprocessor 1 ...


9
Chi Ed H, Pirolli Peter L T, Pitkow James E, Gossweller Rich, Mackinlay Jock D, Card Stuart K: Patrol and display method, device and medium of using degree base of generalized graph structure. Xerox, November 30, 1999: JP1999-327993

PROBLEM TO BE SOLVED: To provide a method for generating and displaying the tree structure expression of a generalized graph structure. SOLUTION: A using degree parameter is referred to so as to generate a tree structure from the generalized graph structure. As the examples of the using degree param ...


10
Mark J Steffek, Merkle Ralph C, Pirolli Peter L T: System for controlling distribution and use of digital work having charge notice mechanism and charge notice method. Xerox, October 18, 1996: JP1996-272746

PROBLEM TO BE SOLVED: To provide a charge notice mechanism which notifies charge corresponding to distribution and use in a digital work distribution and work control system. SOLUTION: A repository 201 is connected to a credit server 301, and the server 301 is a device which cumulates request inform ...