1
Barry A Spinney: Address lookup in packet data communications link, using hashing and content-addressable memory. Digital Equipment Corporation, A Sidney Johnston, David A Dagg, May 9, 1995: US05414704 (346 worldwide citation)

A way of doing source address and destination address lookups is described, as may be used in a packet data communication system. A way of searching a relatively large database is described, using a combination of programmable hash algorithms, binary search algorithms, and a small content-addressabl ...


2
Kenneth F Alden, Mitchell P Lichtenberg, Edward P Wobber: Pseudo network adapter for frame capture, encapsulation and encryption. Digital Equipment Corporation, David A Dagg, Pennie & Edmonds, August 8, 2000: US06101543 (242 worldwide citation)

A new pseudo network adapter is disclosed providing an interface for capturing packets from a local communications protocol stack for transmission on the virtual private network. The system further includes a Dynamic Host Configuration Protocol (DHCP) server emulator, and an Address Resolution Proto ...


3
William R Hamburgen, John S Fitch, Yezdi N Dordi: Paddleless molded plastic semiconductor chip package. Digital Equipment Corporation, David A Dagg, Denis G Maloney, Arthur W Fisher, February 18, 1997: US05604376 (228 worldwide citation)

Disclosed is a semiconductor package and method in which a semiconductor chip is mounted within the opening of a lead frame by bonding wires extending between the active front side of the chip and bonding pads of the lead frame, and the lead frame/chip assembly is encased. within a plastic molded bo ...


4
Shivakumar Vaithyanathan, Mark R Adler, Christopher G Hill: Computer method and apparatus for clustering documents and automatic generation of cluster keywords. Digital Equipment Corporation, David A Dagg, January 5, 1999: US05857179 (228 worldwide citation)

A computer method and apparatus determines keywords of documents. An initial document by term matrix is formed, each document being represented by a respective M dimensional vector, where M represents the number of terms or words in a predetermined domain of documents. The dimensionality of the init ...


5
Peter Lucas, Jeffrey A Senn: Document display system for organizing and displaying documents as screen objects organized along strand paths. Digital Equipment, David A Dagg, A Sidney Johnston, March 12, 1996: US05499330 (209 worldwide citation)

A system for displaying documents on a computer controlled display device is disclosed. The system displays documents either in a completely free-form, user controlled configuration or as strands, such that documents in a strand follow a strand path. The strand path is a two dimensional line through ...


6
Shivakumar Vaithyanathan, Robert Travis, Mayank Prakash: Method and apparatus for automatically generating hierarchical categories from large document collections. Digital Equipment Corporation, David A Dagg, October 6, 1998: US05819258 (162 worldwide citation)

A top-down clustering method and apparatus recursively processes clusters of documents by first extracting features from the documents comprising the cluster, then using the extracted features to generate sub-clusters and finally using the generated sub-clusters to develop topics and identifiers for ...


7
Robert Neil Faiman Jr: Method of constructing a constant-folding mechanism in a multilanguage optimizing compiler. Digital Equipment Corporation, David A Dagg, Denis G Maloney, Arthur W Fisher, November 10, 1998: US05836014 (145 worldwide citation)

A compiler framework comprises a generic compiler back end which may be used by a plurality of front ends to generate object code for a target computer system. Each front end scans and parses a source module containing source code for a programming language, and generates an intermediate language re ...


8
Wayne M Cardoza, Jeffrey M Diewald, Jeffrey E Nelson, Steven D DiPirro, James R Goddard, Wendell B Fisher Jr, Anne E McElearney, Richard Sayde: Method and apparatus for testing software on a computer network. Digital Equipment Corporation, David A Dagg, Denis G Maloney, Arthur W Fisher, May 13, 1997: US05630049 (134 worldwide citation)

A method of remote debugging comprises a first computer system that communicates with a second computer using a network connection. The first computer system controls the remote debugging and comprises a first operating system. The second computer system comprises a second operating system and softw ...


9
Stephen S Jackson, Franco Travostino: System, device, and method for providing personalized services in a communication system. Nortel Networks, David A Dagg, January 27, 2009: US07483964 (121 worldwide citation)

A system, device, and method for providing personalized services in a communication system detects physical presence of a user and provides personalized services to the user based upon the physical presence of the user. The user is typically identified to some degree, and user-specific information i ...


10
Radia J Perlman, Alan J Kirby, Floyd J Backes, Charles W Kaufman: Router using multiple hop redirect messages to enable bridge like data forwarding. Digital Equipment Corporation, A Sidney Johnston, David A Dagg, March 19, 1996: US05500860 (107 worldwide citation)

An apparatus for forwarding a data packet from a first link to a second link is disclosed. The apparatus is coupled with a plurality of computer networks through ports on the apparatus. The apparatus maintains a spanning tree list indicating which of the apparatus ports are active. The apparatus rec ...