| 2025 | 27 | Information Integration and Web Intelligence - 27th International Conference, iiWAS 2025, Matsue, Japan, December 8-10, 2025, Proceedings | Matsue | |
| 2024 | 26 | Information Integration and Web Intelligence - 26th International Conference, iiWAS 2024, Bratislava, Slovak Republic, December 2-4, 2024, Proceedings, Part I | Bratislava | |
| 2023 | 25 | Information Integration and Web Intelligence - 25th International Conference, iiWAS 2023, Denpasar, Bali, Indonesia, December 4-6, 2023, Proceedings | Denpasar | |
| 2022 | 24 | Information Integration and Web Intelligence - 24th International Conference, iiWAS 2022, Virtual Event, November 28-30, 2022, Proceedings | | |
| 2021 | 23 | iiWAS2021: The 23rd International Conference on Information Integration and Web Intelligence, Linz, Austria, 29 November 2021 - 1 December 2021 | Linz | |
| 2020 | 22 | iiWAS '20: The 22nd International Conference on Information Integration and Web-based Applications & Services, Virtual Event / Chiang Mai, Thailand, November 30 - December 2, 2020 iiWAS 2020 | Chiang Mai | 2020-11-30 to 2020-12-02 |
| 2019 | 21 | Proceedings of the 21st International Conference on Information Integration and Web-based Applications & Services, iiWAS 2019, Munich, Germany, December 2-4, 2019 iiWAS 2019 | Munich | 2019-12-02/04 |
| 2018 | 20 | Proceedings of the 20th International Conference on Information Integration and Web-based Applications & Services, iiWAS 2018, Yogyakarta, Indonesia, November 19-21, 2018 IIWAS | Yogyakarta | 2018-11-19/21 |
| 2017 | 19 | Proceedings of the 19th International Conference on Information Integration and Web-based Applications & Services, iiWAS 2017, Salzburg, Austria, December 4-6, 2017 IIWAS | Salzburg | 2017-12-04/06 |
| 2016 | 18 | Proceedings of the 18th International Conference on Information Integration and Web-based Applications and Services, iiWAS 2016, Singapore, November 28-30, 2016 IIWAS, iiWAS 2016 | Singapore | 2016-11-28/30 |
| 2015 | 17 | Proceedings of the 17th International Conference on Information Integration and Web-based Applications & Services, iiWAS 2015, Brussels, Belgium, December 11-13, 2015 IIWAS | Brussels | 2015-12-11/13 |
| 2014 | 16 | Proceedings of the 16th International Conference on Information Integration and Web-based Applications & Services, Hanoi, Vietnam, December 4-6, 2014 IIWAS | Hanoi | 2014-12-04/06 |
| 2013 | 15 | The 15th International Conference on Information Integration and Web-based Applications & Services, IIWAS '13, Vienna, Austria, December 2-4, 2013 IIWAS, iiWAS 2013 | Vienna | 2013-12-02/04 |
| 2012 | 14 | The 14th International Conference on Information Integration and Web-based Applications & Services, IIWAS '12, Bali, Indonesia - December 3-5, 2012 IIWAS | Bali Island | 2012-12-03/05 |
| 2011 | 13 | iiWAS'2011 - The 13th International Conference on Information Integration and Web-based Applications and Services, 5-7 December 2011, Ho Chi Minh City, Vietnam IIWAS | Ho Chi Minh City | 2011-12-05/07 |
| 2010 | 12 | iiWAS'2010 - The 12th International Conference on Information Integration and Web-based Applications and Services, 8-10 November 2010, Paris, France IIWAS | Paris | 2010-11-08/10 |
| 2009 | | iiWAS'2009 - The Eleventh International Conference on Information Integration and Web-based Applications and Services, 14-16 December 2009, Kuala Lumpur, Malaysia IIWAS | Kuala Lumpur | 2009-12-14/16 |
| 2008 | | iiWAS'2008 - The Tenth International Conference on Information Integration and Web-based Applications Services, 24-26 November 2008, Linz, Austria IIWAS | Linz | 2008-11-24/26 |
| 2007 | | iiWAS'2007 - The Ninth International Conference on Information Integration and Web-based Applications Services, 3-5 December 2007, Jakarta, Indonesia IIWAS | Jakarta | 2007-12-03/05 |
| 2006 | | iiWAS'2006 - The Eighth International Conference on Information Integration and Web-based Applications Services, 4-6 December 2006, Yogyakarta, Indonesia IIWAS | Yogyakarta | 2006-12-04/06 |
| 2005 | | iiWAS'2005 - The Seventh International Conference on Information Integrationand Web-based Applications Services, 19-21 September 2005, Kuala Lumpur, Malaysia IIWAS | Kuala Lumpur | 2005-09-19/21 |
| 2004 | | iiWAS'2004 - The sixth International Conference on Information Integrationand Web-based Applications Services, 27-29 September 2004, Jakarta, Indonesia IIWAS | Jakarta | 2004-09-27/29 |
| 2003 | | iiWAS'2003 - The Fifth International Conference on Information Integrationand Web-based Applications Services, 15-17 September 2003, Jakarta, Indonesia IIWAS | Jakarta | 2003-09-15/17 |
| 2002 | | International Conference on Information Integration and Web-based Applications & Services (IIWAS) IIWAS | Bandung | 2002-01-01 |
| 2001 | | International Conference on Information Integration and Web-based Applications & Services (IIWAS) IIWAS | Linz | 2001-01-01 |
| 2000 | | International Conference on Information Integration and Web-based Applications & Services (IIWAS) IIWAS | Yogyakarta | 2000-01-01 |
| 1999 | | International Conference on Information Integration and Web-based Applications & Services (IIWAS) IIWAS | Yogyakarta | 1999-01-01 |