Member of the Program Committee - International Conferences (since 1990) – all by invitation.

1.  Very Large Databases, VLDB'90, Brisbane Australia, August 1990

2.  2nd Int Conf on Computing and Information, ICCI'90, Canada, 1990

3.  5th Int Conf on Systems Research Informatics and Cybernetics, West Germany, August 1990

4.   3rd Int Conf on Mathematical Fundamentals of Database & Knowledge Base Systems, Germany,   1991

5.   3rd Int Conf on Tools for Artificial Intelligence, San Jose USA, November 1991

6.   8th Int Conf on Data Engineering, ICDE'92, Arizona USA, 1992

7.   Very Large Databases, VLDB'92, Vancouver Canada, 1992

8.   3rd Australian Database Conference, ADC'92, Melbourne, February 1992

9.   2nd Far-East Workshop on Future Database Systems, Kyoto Japan, April 1992

10.  DS-5 Semantics of Interoperable Database Systems, Lorne Victoria, November 1992

11.   4th Int Conf on Computing and Information, ICCI'92, Toronto Canada, May 1992

12.    Int Conf on Parallel and Distributed Systems, 1992

13.    Int Symp on Methodologies for Intelligent Systems, 1992

14.    3rd Australian Conference on Information Systems, Wollongong, 1992

15.    Very Large Databases Conference, VLDB'93, Dublin Ireland, August 1993

16.    3rd Int Symp on Database Systems for Advanced Applications , DASFAA'93, Korea, April 1993

17.    4th Int Conf on Foundations of Data Organization, FODO'93, Chicago USA, October 1993

18.    3rd Int Conf on Deductive and Object-Oriented Databases, DOOD'93, Phoenix USA, 1993

19.    2nd Int Conf on Fuzzy Theory and Technology, FT & T'93, North Carolina USA, October 1993

20.    4th Int Conf on Extending Database Technology, EDBT'94, Cambridge UK, March 1994

21.    1st Int Conf on Object-Oriented Information Systems, OOIS'94, London UK, December 1994

22.    5th Australian Database Conference, ADC'94, New Zealand, January 1994

23.    13th Int Conf on the Entity-Relationship Approach, Manchester UK, December 1994

24.    Joint Conference on Information Sciences, JCIS'94, Pinehurst USA, November 1994

25.    5th Int Symp on Database Systems for Advanced Applications, DASFAA'95, Singapore, April 1995

26.    6th Australian Database Conference, ADC'95, Melbourne, January 1995

27.    IFIP WG 8.1 Working Conference on Information Systems Development for Decentralized Organizations, Trondheim Norway, August 1995

28.    7th Int Conf on Computing and Information, ICCI'95, Peterborough Canada, 1995

29.    2nd Int Conf on Object-Oriented Information Systems, OOIS'95, Dublin Ireland, December 1995

30.    Int Conf on Data Engineering, ICDE'96, New Orleans USA, February 1996

31.    7th Australian Database Conference, ADC'96, Melbourne, January 1996

32.    3rd Int Conf on Object-Oriented Information Systems, OOIS'96, London UK, December 1996

33.    8th Int Conf on Computing and Information, ICCI'96, Waterloo Canada, May 1996

34.    7th Int Hong Kong Computer Society Database Workshop: Multimedia, Knowledge-Based and Object-Oriented Databases, Hong Kong, May 1996

35.    4th Australian & New Zealand Intelligent Information Systems Conference, ANZIIS'96, Adelaide,  November 1996

36.    15th Int Conf on Conceptual Modelling, ER96, Cottbus Germany,October 1996

37.    Very Large Databases Conference, VLDB'96, Bombay India, August 1996

38.    Program Quorum Member of Information Systems Curriculum Working Conf - Melbourne Australia, September 1996

39.    7th Int Conf on Database Systems for Advanced Applications, DASFAA'97, Melbourne, 1997

40.    ACM SIGMOD Int Conf on Management of Data, SIGMOD97, Tucson Arizona, USA, May 1997

41.    1st Int Enterprise Distributed Object Computing Workshop, EDOC'97, Brisbane, October 1997

42.    2nd IFCIS Int Conf on Cooperative Information Systems, CoopIS'97, Sth Carolina USA, June 1997

43.    7th Int Workshop on Foundations of Models & Languages for Data & Objects - Distributed Databases, Minsen Germany, September 1997

44.    8th Int Database Workshop: Data Mining, Data Warehousing & Client-Server Databases, Hong Kong, July 1997

45.    2nd Pacific-Asia Conference on Knowledge Discovery and Data Mining, PAKDD'98, Melbourne, September 1998

46.    Very Large Databases Conference, VLDD'98, New York City USA, August 1998 [Americas/Australia PC]

47.    10th Int Conf on Computing and Information, ICCI'98, Winnipeg Canada, 1998

48.    Int Conf on Database and Expert Systems Applications, DEXA'98, Vienna Australia, August 1998.  [Workshop on Natural Language and Information Systems]

49.    5th Int Conf on Object Oriented Information Systems, OOIS'98, Paris France, 1998.

50.    17th Int Conf on Conceptual Modelling, ER'98

51.    Int Workshop on Interoperability Challenges of Large-Scale Workflow Management      Systems, Chicago USA, September 1998. [Part of 11th International Conference on Parallel and Distributed Computing Systems]

52.    5th Int Conf of Foundations of Data Organization, FODO'98, Kobe Japan, November 1998

53.    9th Int Database Workshop, Hong Kong, July 1998

54.    Very Large Databases Conference, VLDB'99, Edinburgh, Scotland, August 1999

55.    Int Symp on Methodologies for Intelligent Systems, ISMIS'99, Warsaw Poland, June 1999

56.    6th Int Conf on Database Systems for Advanced Applications, DASFAA'99, Taiwan, April 1999

57.    9th Int Database Conference on Heterogeneous and Internet Databases, IDC'99, Hong Kong, July 1999

58.    11th Conf on Advanced Information Systems Engineering, CaiSE'99, Heidelberg Germany, June 1999

59.    6th Int Conf on Object-Oriented Information Systems, OOIS'99, London, UK, December1999

60.    3rd Int Enterprise Distributed Object Computing Workshop, EDOC'99

61.    4th IFCIS Int Conf on Cooperative Information Systems, CoopIS'99, 1999

62.    1st Int Workshop on Evolution and Change in Data Management, ECDM'99 - Held in conjunction with 18th Int Conf on Conceptual Modelling, ER'99, Versailles France, November 1999

63.    12th Conf on Advanced Information Systems Engineering, CaiSE'2000, Stockholm Sweden, June 2000

64.    10th Int Conf on Extending Database Technology, EDBT'2000

65.    1st Int Conf on Web-Age Information Management, WAIM'2000

66.    2000 Adbis-DASFAA Symposium on Advances in Databases & Information Systems

67.    19th Int Conf on Conceptual Modeling, ER'2000, Salt Lake City USA, October 2000

68.    Int Conf on Web Information System Engineering, WISE'2000, Hong Kong

69.    2nd Int Workshop on Natural Languages & Information Systems, NLIS 2000, Greenwich UK, September 2000

70.    Very Large Databases Conference, VLDB'2000, Cairo Egypt, August 2000

71.    Workshop on Web Agent Systems and Applications, WASA'2000, Greenwich UK, September 2000

72.    17th IEEE CS Int Conf on Data Engineering, ICDE 2001, Heidelberg Germany, March 2001

73.    2001 ACM SIGMOD Conf, Santa Barbara CA USA, May 2001

74.    9th IFIP 2.6 Working Conf on Database Semantics, DS-9, Hong Kong, April 2001

75.    East-European Conf on Advances in Databases & Information Systems, ADBIS2001, Vilnius Lithuania, September 2001

76.    20th Int Conf on Conceptual Modelling, ER'2001, Yokohama Japan, November 2001

77.    Int Workshop on Web Based Collaboration, WBC'2001, Associated with 12th Int Conf on Databases and Expert Systems Applications, DEXA'2001, Munich Germany, September 2001

78.    7th Int Conf on Object-Oriented Information Systems, OOIS'01, Calgary Canada, August 2001

79.    Int Conf on Information Integration and Web-based Applications & Services, IIWAS'01, Linz Austria, September 2001

80.    VLDB Workshop on Technologies for E-Services, TES’01, Associated with VLDB’01, Rome Italy, September 2001

81.    3^rd Workshop on Web Information and Data Management, WIDM’01, held in conjunction with the 10^th Int Conf on Information and Knowledge Management, CIKM’01, Atlanta USA, November 2001

82.    Symposium on Applications and Internet Technology, SAINT’02, Nara Japan, January 2002

83.    12^th Int Workshop on Research Issues on Data Engineering: Engineering E-Commerce/E-Business Systems, RIDE-2EC’02, San Jose USA, Feburary 2002

84.    European Conf on Information Systems, ECIS’02, Gdansk Poland, June 2002.

85.    Business Information Systems, BIS’02, Poznan, Poland, April 2002

86.    Intelligent Systems and Control, ISC2001, Florida, USA, November 2001

87.    14th Conf on Advanced Information Systems Engineering, CAiSE'02, Toronto, Canada, May 2002,

88.    8-th Int Conf on Object-Oriented Information Systems, OOIS'02, Montpelier, France, September 2002

89.    Sixth East-European Conference on Advances in Databases and Information Systems. ADBIS’02, Bratislava, Slovakia, September 2002 

90.    NAISO congress on Information Technology in the Environmental Engineering, Gdansk, Poland, June 24 - 27, 2003

91.    21st ER Conference on Conceptual Modelling, Tampere (Finland), October 7-11, 2002

92.    1-st International Conference on Web based Learning, Hong Kong, December, 2002

93.    Fourth International Conference on Information Integration and Web-based Applications & Services IIWAS2002, Bandung, Indonesia, September, 2002

94.    First International Conference on Ontologies, DataBases, and Applications of Semantics for Large Scale Information Systems (ODBASE'02), Irvine, California, USA, October, 2002

95.    International Conference on Data Engineering  (ICDE’03), Bangalore, India, March 2003.

96.    IASTED International Conference Information Systems and Databases(ISDB2002), Tokyo, Japan, September 25-27, 2002

97.    10^th  International Conference on Cooperative Information Systems (COOPIS
2002).  COOPIS 2002 Irvine, California, USA, October 30 - November 1st, 2002,

98.    The 14th Australasian Database Conference (ADC2003),  Adelaide, Australia
February, 2003,

99.    Web-based Collaboration Workshop (with association with DEXA 2002)  Aix-en-Provence, France,  September 2 - 6, 2002

100.   29-th International Conference on Very Large Databases (VLDB’03), Berlin, Germany, September 2-6, 2003

101.   6-th International Conference on  Business Information Systems at Colorado
Springs, USA,  June 4-6, 2003.

102.  15-th International Conference CAiSE '03,  Velden, Austria, June, 2003

103.   8th International Conference on Database Systems for Advanced
Applications (DASFAA'03), Kyoto, Japan, March 26 - 28, 2003

104.   The Seventh Pacific-Asia Conference on Knowledge Discovery and
Data Mining (PAKDD-03), Seoul, Korea, April 30 - May 2, 2003

105.   The 22nd ER Conference on Conceptual Modelling, Chicago, USA, October 6-9, 2003

106.    The 9^th International Conference OOIS’03, Geneva, Switzerland, August, 2003

107.    The Second International Workshop on Agents and Peer-to-Peer Computing (AP2PC) held in conjunction with AAMAS 2003 (International Conference on Autonomous Agents and Multi-Agent Systems) Melbourne, July, 2003

108.    The 5^th  Int Conference on Information Integration and Web-based Applications and Services, iiWAS, Jakarta, Indonesia, September 2003

109.    10^th International Symposium on Temporal Representation and Reasoning and 4^th International Conference on Temporal Logic, Cairns, Australia, July 2003

110.    The 15th Australasian Database Conference (ADC2004), New Zealand,
February, 2004

111.    16-th International Conference CAiSE '04, Riga, Latvia, June 7-9, 2004

112.     The Workshop "Semantic Web Services and their Role in Enterprise Application Integration and E-Commerce", held in Pittsburgh (PA, USA) on September 30th, 2003, in conjunction with the
International Conference on Electronic Commerce (ICEC) 2003

113.    The 7th International Conference on Business Information Systems, to be held in Poznań, Poland, 21-23 April 2004.

114.    Asia-Pacific Conference on Conceptual Modelling - APCCM Dunedin, NZ, January 2004

115.    The 13th World Wide Web conference, to be held in New York, USA, May 2004

116.    APWeb'04 to be held in Hongzhou (China) April 14-17, 2004.

117.    The 2004 IRMA International Conference (Business Process Modelling and Technologies) May 23-26, 2004, New Orleans, LA, USA.

118.   The ER 2004 International Conference on Entity – Relationship Modelling, November 2004, Shanghai, China.

119.    8th International Database Engineering and Applications Symposium (IDEAS), Coimbra, Portugal, July 7-9, 2004.

120.   The 5th International Conference on Web-Age Information Management
(WAIM'2004) Dalian, China, July 15 -17, 2004

121.   The Eleventh International Conference on Artificial Intelligence: Methodology, Systems, Applications (AIMSA 2004)

122.    The conference on Ontologies, DataBases, and Applications of Semantics for Large Scale Information Systems (ODBASE04), Larnaca, Cyprus, Oct 25-29, 2004.

123.    The 7-th BIS’05 (Business Information Systems) Conference, Poznan, April 2005

124.     IRMA International Conference , San Diego, California, USA, May 15-18, 2005

125.   The 2nd Asia-Pacific Conference on Conceptual Modelling (APCCM 2005). Newcastle, Australia, January 2005

126.    The 3rd IEEE Int. Conference on Intelligent Systems (IS'06), at Westminster University,  London, United Kingdom. 2006

127.     ISTA'2005th  International Conference on Information Systems Technology and
its Applications, New Zealand, May 2005

128.     BPM 2005 (3rd INTERNATIONAL CONFERENCE ON BUSINESS PROCESS MANAGEMENT) held in Nancy, France September 5-7, 2005.

129.      The 24^th Int. Conference on Conceptual Modeling (ER2005), Klagenfurt, Austria, October 24-28, 2005

130.     The 5th WBC Workshop, DEXA,  Copenhagen (Denmark), August 22-26, 2005

131.    The International Conference on Ontologies, Databases and Applications of Semantics (ODBASE'05), Cyprus, Oct 31 - Nov 4, 2005 as part of the OTM federated conferences.

132.         The third International Conference on Service-oriented Computing (ICSOC'05,
http://www.icsoc.org),  Amsterdam, Holland,  December 2005.

133.        ACM International Conference CIKM  http://www.tzi.de/CIKM2005/   in Bremen, Germany, November 2005,

134.        The 3rd Asia-Pacific Conference on Conceptual Modelling, Tasmania, Australia, January 2006,

135.       ER2006 - the 25th International Conference on Conceptual Modelling, ER’06 to be held in Tucson, Arizona on November 6-9, 2006

136.        ER 2007 - the 26th International Conference on Conceptual Modelling.
To be held in New Zealand at the University of Auckland in the first week of November 2007.

137.         The 2006 International Workshop on Knowledge Discovery from XML Documents (KDXD 2006) ( http://sky.fit.qut.edu.au/~nayak/kdxd06.htm) in conjunction with the 10th Pacific-Asia Conference on Knowledge Discovery and Data Mining  (PAKDD2006 - http://www.ntu.edu.sg/sce/pakdd2006/index.htm) in Singapore,  April 9-12, 2006.

138.        Dependability in large-scale service-oriented systems at the ARES 2006
conference (The First International Conference on Availability, Reliability
and Security) Vienna, Austria April 20-22, 2006.

139.   Software Engineering Conference with conjunction with XXX in Wroclaw, Poland, 2006

140.   BPM 2006 held in Vienna, Austria, September 5-7, 2006.

141.   International workshop on Modeling Inter-Organizational systems focusing on collaboration and interoperability, Architectures and Ontologies to be held 31Oct-1Nov, 2006

142.    Workshop on Middleware for Service Oriented Computing at the 2006 ACM/IFIP/USENIX  Middleware Conference, Melbourne, Australia Nov 28, 2006.

143.     Infrastructure for Information Systems (IIS) Program Committee for the 33rd International Conference on Very Large Databases (VLDB'07)  September 25-28, 2007 in Vienna, Austria.

144.    International Workshop on Service- and Process-Oriented Software Engineering (SOPOSE)
in conjunction with the 2006 Asia-Pacific Conference on Software Engineering (APSEC-2006), Bangalore, December 2006.

145.    ApWeb’o7 and WAIM’07 member of  award committee, 16-18 June, 2007, Huang Shan (Yellow Mountains), China. 

146.       2nd International Workshop on Service Engineering (SEIW 2007), Istanbul, Turkey, April 16-20, 2007, in conjunction with the 23rd International Conference on Data Engineering (ICDE 2007).

147.       International Conference on Business Information Systems - BIS 2007, to be held in Poznan, Poland, April 25-27 April 2007.

148.       The 2nd International Working Conference on Evaluation of Novel Approaches to Software Engineering ENASE 2007, Barcelona, July (23-25)

149.       2nd International Workshop on Service and Process Oriented Software Engineering (SOPOSE-07), to be held in conjunction with the IEEE Int’l Conf on Services Computing and IEEE Int’l Conf on Web Services, Salt Lake City, USA, July (9-13) http://www.dsl.uow.edu.au/sopose/

150.      1st International Conference on Business Process and Services Computing (BPSC 2007), 25-26 September, Leipzig , Germany

151.     The 7th International Conference on Information System Technology and its Applications, Klagenfurt, April 22-25, 2008, http://www.uniscon2008.org

152.     34th International Conference on Very Large Databases
(VLDB'08) to be held August 25-28, 2008 in Auckland, New Zealand.

 153.   11^th International Conference on Business Information Systems, BIS 2008,
Innsbruck, Austria 5-7 May 2008