| # | name | members |
|---|---|---|
| 1 | 40Hz.org | [1] Eckhart Köppen |
| 2 | Accenture | [1] Baiju Shah |
| 3 | Aidministrator | [1] Jeen Broekstra |
| 4 | Aldo ventures | [2] Shirley Tessler; Avron Barr |
| 5 | Apelon, Inc. | [2] Mark Tuttle; John S. Carter |
| 6 | Arizona State University | [1] Raphael M Malyankar |
| 7 | Asian Institute of Technology | [2] Vilas Wuwongse; Chutiporn Anutariya |
| 8 | Ask Jeeves | [1] Max Henrion |
| 9 | AT&T | [1] Rosanne Esposito |
| 10 | BBN Technologies | [2] Michael Antony Dean; Mark H. Burstein |
| 11 | Behaviorengine | [1] Christopher Goad |
| 12 | Boeing | [2] Scott Tsao; Christina Portillo |
| 13 | Brandeis University | [1] James Pustejovsky |
| 14 | Bulgarian Academy of Sciences | [1] Kiril Simov |
| 15 | Ca' Foscari University of Venice | [1] Massimo Marchiori |
| 16 | California Institute of Technology | [1] Karl D'Adamo |
| 17 | Carnegie Mellon University | [5] Terry Payne; Massimo Paolucci; Katia Sycara; David Boncarosky; Anupriya Ankolekar |
| 18 | Cisco Systems | [5] Sima Yazdani; Robert A. Nado; Paul Gleichauf; Irene Sklyar; Gholam Sheikholeslami |
| 19 | Claude Bernard University Lyon 1 | [1] Pierre-Antoine Champin |
| 20 | CNR | [1] Nicola Guarino |
| 21 | Connotate | [0] |
| 22 | DAML | [0] |
| 23 | DARPA | [1] James Hendler |
| 24 | DSTC | [3] Philippe Martin; Peter Eklund; Peter Becker |
| 25 | Eindhoven University of Technology | [1] Gerd Wagner |
| 26 | Embry–Riddle Aeronautical University | [1] Abir Qasem |
| 27 | Empolis GmbH | [1] Holger Rath |
| 28 | Enigmatec | [1] Duncan Johnston-Watt |
| 29 | Epigraph | [1] Josh Schneider |
| 30 | Essential Logic | [1] Buddy Kresge |
| 31 | FAO, Roma | [4] Stephen Katz; Kat Hagedorn; Johannes Keizer; Frehiwot Fisseha |
| 32 | Fetch Technologies | [2] Steven Minton; Bryan Pelz |
| 33 | FHS St. Gallen University of Applied Sciences | [2] Rolf Grütter; Claus Eikemeier |
| 34 | FORTH-ICS | [2] Vassilis Christophides; Dimitris Plexousakis |
| 35 | Free University of Bozen-Bolzano | [1] Johann Gamper |
| 36 | Free University of Brussels | [1] Robert Meersman |
| 37 | FZI Forschungszentrum_Informatik | [1] Alexander Maedche |
| 38 | Griffith University | [3] Philippe Martin; Peter Eklund; Peter Becker |
| 39 | Hawthorn technology | [2] Robert Jasper; Anita Tyler |
| 40 | Hewlett-Packard | [5] Umeshwar Dayal; Umesh Dayal; Fabio Casati; David Trastour; Brian McBride |
| 41 | Hewlett Packard Laboratories | [4] Ming-Chien Shan; Javier Gonzalez-Castillo; Fabio Casati; Claudio Bartolini |
| 42 | Hitachi | [1] Hironobu Kuruma |
| 43 | Hokkaido University | [2] Vichit Wattanapailin; Kiyoshi Akama |
| 44 | IBM | [3] Stephen Petschulat; Naohiko Uramoto; James Snell |
| 45 | IBM Tokyo Research Laboratory | [1] Masahiro Hori |
| 46 | Inoveon, Inc. | [1] Keith E. Campbell |
| 47 | INRIA | [4] Catherine Faron-Zucker; Alexandre Delteil; Rose Dieng; Jérôme Euzenat |
| 48 | INRIA Rhône-Alpes | [1] Jérôme Euzenat |
| 49 | Institut AIFB, Universität Karlsruhe | [3] Steffen Staab; Rudi Studer; Raphael Volz |
| 50 | International University in Germany | [1] Andreas Eberhart |
| 51 | ISX Corporation | [1] Brian Kettler |
| 52 | JD Edwards | [1] (A person from J.D. Edwards) |
| 53 | Kaiserslautern University of Technology | [1] Harold Boley |
| 54 | Karlsruhe Institute of Technology | [2] Steffen Staab; Siegfried Handschuh |
| 55 | Keck Labs | [1] Kevin Keck |
| 56 | Kestrel | [1] Douglas R. Smith |
| 57 | Kmi, The Open University, UK | [3] Simon Buckingham Shum; John Domingue; Enrico Motta |
| 58 | Knowledge Systems Laboratory | [3] Tran Cao Son; Sheila McIlraith; Deborah McGuinness |
| 59 | L and C | [1] Peter Martens |
| 60 | LABSEB-CNR | [2] Nicola Guarino; Chris Partridge |
| 61 | Language and Computing | [0] |
| 62 | LastMileServices | [0] |
| 63 | Laval University | [1] Bernard Moulin |
| 64 | Leipzig University | [1] Christian Guensel |
| 65 | Lingomotors | [2] James Pustejovsky; Antonio Sanfilippo |
| 66 | LMS | [1] Raj Bapna |
| 67 | LORIA | [3] Rim Al Hulou; Jean-Luc Metzger; Amedeo Napoli |
| 68 | Lucent | [1] Peter F. Patel-Schneider |
| 69 | Massachusetts Institute of Technology | [4] Michael Stonebraker; Mark Klein; John Mallery; Benjamin Grosof |
| 70 | Michigan State University | [1] William McCarthy |
| 71 | Mondeca | [1] Bernard Vatant |
| 72 | Motorola | [2] Raymond Lee; Anurag Kumar Gupta |
| 73 | National Institute of Informatics | [3] Nigel Collier; Koichi Takeuchi; Keita Tsuji |
| 74 | National Library of Medicine | [1] Stuart J. Nelson |
| 75 | NCGIA, University Maine | [1] Jim Farrugia |
| 76 | NCRR | [1] Bret Peterson |
| 77 | Netscape | [1] Syd Logan |
| 78 | Network Inference | [0] |
| 79 | New York University | [1] Abraham Bernstein |
| 80 | NIH | [2] Stuart J. Nelson; Ada Hungerford |
| 81 | NIST | [6] Al Jones; Nenad Ivezic; Steve Ray; Rachuri Sudarsan; Michael Gruninger; Sudarsan Rachuri |
| 82 | Nisus Inc. | [1] Said Tabet |
| 83 | Nokia | [3] Markus Salolainen; John Zeisler; Ora Lassila |
| 84 | Nokia Research | [1] Ora Lassila |
| 85 | NSF | [0] |
| 86 | Ontoprise GmbH | [0] |
| 87 | Ontotext | [1] Gueorgui Marinov |
| 88 | OntoText Lab., Sirma AI EOOD | [2] Marin Dimitrov; Atanas Kiryakov |
| 89 | OntoWeb | [0] |
| 90 | Oracle | [1] Christoph Bussler |
| 91 | Packard Bell | [1] Ralph S Masilamani |
| 92 | Palm | [1] Charles Earl |
| 93 | ParadigmLeaps.org | [1] Karl Hebenstreit |
| 94 | Politecnico di Milano | [2] Sara Comai; Piero Fraternali |
| 95 | Pompeu Fabra University | [3] Roberto Garcia Gonzalez; Roberto García; Jaime Delgado |
| 96 | Powermarket | [1] Yannis (John) Labrou |
| 97 | Profium | [1] Martyn Horner |
| 98 | Project Renaissance | [1] Marcus Miguel Maciel |
| 99 | QinetiQ Ltd | [4] Patrick Beautement; Michael Kirton; John Carson; David N Allsopp |
| 100 | R-Objects Inc. | [1] Johannes Ernst |
| 101 | Razorfish | [2] Brett Lider; Anca Mosoiu |
| 102 | Rensselaer Polytechnic Institute | [2] Mukkai S. Krishnamoorthy; John R. Punin |
| 103 | Royal Institute of Technology | [3] Mikael Nilsson; Matthias Palmer; Ambjörn Naeve |
| 104 | Rutgers University | [3] Tomasz Imielinski; Donald Smith; Celina Imielinska |
| 105 | San Jose Mercury News | [1] Dan Gillmor |
| 106 | Sandpiper software | [2] Mark Dutra; Elisa F Kendall |
| 107 | Sapienza University of Rome | [4] Tiziana Catarci; Maurizio Lenzerini; Giuseppe De Giacomo; Diego Calvanese |
| 108 | SC4 | [0] |
| 109 | Semtation GmbH | [2] Frauke Weichhardt; Christian Fillies |
| 110 | Sony | [7] Yoshihisa Gonno; Masashi Hatta; Hélène Jacquet; Hawley K. Rising III; Fumihiko Nishio; Tomohiro Tsunoda; Yasuaki Yamagishi |
| 111 | Spirit-Soft | [1] Steve Rioss-Talbot |
| 112 | Sprint | [5] Mike O'Brien; Jim Schumacher; Jay Cee Straley; David Law; Christos Tryfonas |
| 113 | SRI Consulting Business Intelligence | [1] Carolyn Sleeth |
| 114 | SRI International | [5] William Guns; Srini Narayanan; Lindsay Wilson; Jerry R. Hobbs; David Martin |
| 115 | Stanford University | [33] Annemarie Feely; Sheila McIlraith; Yuhui Jin; Deborah McGuinness; Russ Altman; Micheal Hewett; Honglei Zeng; Gerlinde Gall; Mark A. Musen; Marianne Siroker; Jennifer Espinoza; Martin S. Lacher; Sichun Xu; Sergey Melnik; Monika Hertel; Monica Crubezy; Martin Lacher; Arturo Crespo; Sarah Weden; Natalya Noy; Bob Spillers; Gio Wiederhold; Henry Tirri; Carol Maxwell; Joshua Stuart; Stefan Decker; Diane Oliver; Knut Meyer; Daniel Rubin; Samir Patel; Prasenjit Mitra; Charles Petrie; Teri Klein |
| 116 | Stockholm University | [2] Mikael Nilsson; Matthias Palmer |
| 117 | Taalee Inc | [1] Amit Sheth |
| 118 | Tecknowledge | [3] Robert Balzer; Neil M. Goldman; Marcelo Tallis |
| 119 | Telcordia Technologies | [3] Vipul Kashyap; Clifford Behrens; Clifford A Behrens |
| 120 | The Open University | [1] Enrico Motta |
| 121 | Toyota | [2] Tetsu Ishihara; Hideki Kawahara |
| 122 | Universidad Politecnica de Madrid(UPM) | [1] Asunciòn Gomez-Perez |
| 123 | University Nancy | [1] Jean-Luc Metzger |
| 124 | University of Amsterdam | [6] B.J. Wielinga; A. Th. Schreiber; Joost Breuker; J. Wielemaker; Bob J. Wielinga; Guus Schreiber |
| 125 | University of Bremen | [1] Heiner Stuckenschmidt |
| 126 | University of Bristol | [3] Jason C Grant; Dave Beckett; Dan Brickley |
| 127 | University of California, Berkeley | [1] Mori Anvari |
| 128 | University of Connecticut | [1] Steve Demurjian |
| 129 | University of Delaware | [1] Guido Geerts |
| 130 | University of Duisburg-Essen | [1] Reinhold Klapsing |
| 131 | University of Georgia | [2] Kemafor Anyanwu; Amit Sheth |
| 132 | University of Hanover | [4] Wolfgang Nejdl; Martin Wolpers; Hadhami Dhraief; Boris Wolf |
| 133 | University of Illinois at Chicago | [1] Isabel F. Cruz |
| 134 | University of Leeds | [4] Richard Drew; Ping LIU; Peter Dew; Jayne Curson |
| 135 | University of Maine | [1] Max J. Egenhofer |
| 136 | University of Manchester | [5] Sean Bechhofer; Jeff Z. Pan; Ian Horrocks; Enrico Franconi; Carole A. Goble |
| 137 | University of Maryland, Baltimore County | [10] Youyong Zou; Charles K. Nicholas; Harry Chen; Filip Perich; Anupam Joshi; Tim Finin; Lalana Kagal; R. Scott Cost; Sovrin Tolia; Yun Peng |
| 138 | University of Maryland, College Park | [1] James Hendler |
| 139 | University of Nantes | [2] Emmanuel Desmontils; Christine Jacquin |
| 140 | University of New South Wales | [1] Ron van der Meyden |
| 141 | University of Otago | [1] Stephen Cranefield |
| 142 | University of Queensland | [1] Jane Hunter |
| 143 | University of Salerno | [1] Nicola Capuano |
| 144 | University of Southern California | [1] Wolf Christian Vogt |
| 145 | University of Utah | [2] Michael J. Lincoln; John S. Carter |
| 146 | University of West Florida | [1] Pat Hayes |
| 147 | University of Western Australia | [4] Syd Hall; Nick Spadaccini; Ian Castleden; Doug du Boulay |
| 148 | University of Würzburg | [1] Andreas Harth |
| 149 | Vanderbilt University | [1] Steven H. Brown |
| 150 | Vassar College | [1] Chris Welty |
| 151 | VerticalNet | [6] Joel A. Nava; Lisa Colvin; Maram Nagendraprasad; Wei Wu; Eric Elias; Aseem Das |
| 152 | Visa Inc. | [2] Mike Lindelsee; Gabe Wachob |
| 153 | VU University Amsterdam | [4] Ying Ding; Michel Klein; Frank van Harmelen; Dieter Fensel |
| 154 | W3C | [7] Eric Prud'hommeaux; Dan Brickley; Sandro Hawke; Libby Miller; Massimo Marchiori; Dan Connolly; Eric Miller |
| 155 | Wainscott ventures | [1] Mei Lin Fung |
| 156 | Whizbang ! | [1] Barney Pell |
| 157 | Worcester Polytechnic Institute | [1] Paul Calnan |
| 158 | Xonar GmbH | [1] Wolfram Conen |
| 159 | Yale University | [1] Drew McDermott |
| 160 | York University | [1] Henry M. Kim |