| 2008 |
12 | | Hele-Mai Haav,
Ahto Kalja:
Databases and Information Systems V - Selected Papers from the Eighth International Baltic Conference, DB&IS 2008, June 2-5, 2008, Tallinn, Estonia
IOS Press 2008 |
11 | | Hele-Mai Haav,
Ahto Kalja,
Peep Küngas,
Martin Luts:
Ensuring Large-Scale Semantic Interoperability: The Estonian Public Sector's Case Study.
DB&IS 2008: 117-128 |
10 | | Tarmo Robal,
Ahto Kalja:
Web Systems Evaluation on Users' Behaviour Modelling.
DB&IS 2008: 41-52 |
9 | | Irina Astrova,
Ahto Kalja:
Automatic Transformation of SQL Relational Databases to OWL Ontologies.
WEBIST (2) 2008: 131-136 |
| 2007 |
8 | | Tarmo Robal,
Ahto Kalja:
Applying User Profile Ontology for Mining Web Site Adaptation Recommendations.
ADBIS Research Communications 2007 |
7 | | Tarmo Robal,
Hele-Mai Haav,
Ahto Kalja:
Making Web Users' Domain Models Explicit by Applying Ontologies.
ER Workshops 2007: 170-179 |
| 2005 |
6 | | Johann Eder,
Hele-Mai Haav,
Ahto Kalja,
Jaan Penjam:
ADBIS 2005, Advances in Databases and Information Systems, Communications of the Ninth East-European Conference on Advances in Databases and Information Systems, Tallinn, Estonia, September 12-15, 2005
CEUR-WS.org 2005 |
5 | | Johann Eder,
Hele-Mai Haav,
Ahto Kalja,
Jaan Penjam:
Advances in Databases and Information Systems, 9th East European Conference, ADBIS 2005, Tallinn, Estonia, September 12-15, 2005, Proceedings
Springer 2005 |
| 2002 |
4 | | Hele-Mai Haav,
Ahto Kalja:
Proceedings of the Baltic Conference, BalticDB&IS 2002, Volume 1
Institute of Cybernetics at Tallin Technical University 2002 |
3 | | Hele-Mai Haav,
Ahto Kalja:
Proceedings of the Baltic Conference, BalticDB&IS 2002, Volume 2
Institute of Cybernetics at Tallin Technical University 2002 |
2 | | Ahto Kalja,
Uuno Vallner:
Public e-Service Projects in Estonia.
BalticDB&IS 2002: 143-154 |
| 2000 |
1 | | Ahto Kalja,
Vahur Kotkas,
Tiit Tiidemann:
CAD Problem Solving and Technical Systems Modelling Using the AI Programming Environments.
EJC 2000: 284-290 |