Ahto Kalja

According to our database, Ahto Kalja authored at least 29 papers between 2000 and 2018.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2018

Design-Time Web Usability Evaluation with Guideliner.

Jevgeni Marenkov, Tarmo Robal, Ahto Kalja

Complex Syst. Informatics Model. Q., 2018

Guideliner: a Tool to Improve Web UI Development for Better Usability.

Jevgeni Marenkov, Tarmo Robal, Ahto Kalja

Proceedings of the 8th International Conference on Web Intelligence, Mining and Semantics, 2018

Moving Hadoop to the Cloud for Big Data Analytics.

Irina Astrova, Arne Koschel, Felix Heine, Ahto Kalja

Proceedings of the Databases and Information Systems X, 2018

Scalable Hadoop-Based Infrastructure for Big Data Analytics.

Irina Astrova, Arne Koschel, Felix Heine, Ahto Kalja

Proceedings of the Databases and Information Systems, 2018

2017

A Tool for Design-Time Usability Evaluation of Web User Interfaces.

Jevgeni Marenkov, Tarmo Robal, Ahto Kalja

Proceedings of the Advances in Databases and Information Systems, 2017

2016

Refactoring - Key to Success for Constantly Developed Projects.

Janari Põld, Ahto Kalja, Tarmo Robal

Proceedings of the Information Modelling and Knowledge Bases XXVIII, 2016

A Framework for Improving Web Application User Interfaces Through Immediate Evaluation.

Jevgeni Marenkov, Tarmo Robal, Ahto Kalja

Proceedings of the Databases and Information Systems IX, 2016

A Study on Immediate Automatic Usability Evaluation of Web Application User Interfaces.

Jevgeni Marenkov, Tarmo Robal, Ahto Kalja

Proceedings of the Databases and Information Systems, 2016

2015

The Most Prominent Software Development Concepts Cited in IT Professionals' Blogs.

Deniss Ojastu, Tarmo Robal, Ahto Kalja

Proceedings of the Perspectives in Business Informatics Research, 2015

2014

Expectations of Software Development Practitioners for Non-Technical Clients.

Deniss Ojastu, Tarmo Robal, Ahto Kalja

Proceedings of the Databases and Information Systems VIII, 2014

A Study on User Click Behaviour for WIS User Interface Improvements.

Jevgeni Marenkov, Tarmo Robal, Ahto Kalja

Proceedings of the Databases and Information Systems VIII, 2014

2013

A Model-based Software Technology Proposal.

Vahur Kotkas, Jaan Penjam, Ahto Kalja, Enn Tyugu

Proceedings of the MODELSWARD 2013 - Proceedings of the 1st International Conference on Model-Driven Engineering and Software Development, Barcelona, Spain, 19, 2013

2012

Asynchronous Messaging for OSGi.

Arne Koschel, Irina Astrova, Marc Schaaf, Volker Ahlers, Stella Gatziu Grivas, Ahto Kalja

J. Comput. Inf. Technol., 2012

Applying User Domain Model to Improve Web Recommendations.

Tarmo Robal, Ahto Kalja

Proceedings of the Databases and Information Systems VII, 2012

On Proving the Concept of an Ontology Aided Software Refactoring Tool.

Janari Põld, Tarmo Robal, Ahto Kalja

Proceedings of the Databases and Information Systems VII, 2012

A Semantic Method of Automatic Composition of E-Government Services.

Riina Maigre, Pavel Grigorenko, Hele-Mai Haav, Ahto Kalja

Proceedings of the Databases and Information Systems VII, 2012

2011

Integrating Asynchronous Communication into the OSGI Service Platform.

Marc Schaaf, Volker Ahlers, Arne Koschel, Irina Astrova, Ahto Kalja, David Bosschaert, Roman Roelofsen

Proceedings of the WEBIST 2011, 2011

An ontology-based intelligent learning object for teaching the basics of digital logic.

Tarmo Robal, Taavi Kann, Ahto Kalja

Proceedings of the 2011 IEEE International Conference on Microelectronic Systems Education, 2011

2009

Interactive hands-on tools as learning objects on web services.

Tarmo Robal, Ahto Kalja

Proceedings of the IEEE International Conference on Microelectronic Systems Education, 2009

2008

Automatic Transformation of SQL Relational Databases to OWL Ontologies.

Irina Astrova, Ahto Kalja

Proceedings of the WEBIST 2008, 2008

Conceptual Web Users' Actions Prediction for Ontology-Based Browsing Recommendations.

Tarmo Robal, Ahto Kalja

Proceedings of the Information Systems Development, 2008

Web Systems Evaluation on Users' Behaviour Modelling.

Tarmo Robal, Ahto Kalja

Proceedings of the Databases and Information Systems V, 2008

Ensuring Large-Scale Semantic Interoperability: The Estonian Public Sector's Case Study.

Hele-Mai Haav, Ahto Kalja, Peep Küngas, Martin Luts

Proceedings of the Databases and Information Systems V, 2008

2007

Applying e-Environments in Teaching the Basics of Digital Logic.

Tarmo Robal, Ahto Kalja

Proceedings of the IEEE International Conference on Microelectronic Systems Education, 2007

A Model for Users' Action Prediction Based on Locality Profiles.

Tarmo Robal, Ahto Kalja

Proceedings of the Information Systems Development, 2007

Making Web Users' Domain Models Explicit by Applying Ontologies.

Tarmo Robal, Hele-Mai Haav, Ahto Kalja

Proceedings of the Advances in Conceptual Modeling - Foundations and Applications, 2007

Applying User Profile Ontology for Mining Web Site Adaptation Recommendations.

Tarmo Robal, Ahto Kalja

Proceedings of the Communications of the Eleventh East-European Conference on Advances in Databases and Information Systems, Varna, Bulgaria, September 29, 2007

2002

Public e-Service Projects in Estonia.

Ahto Kalja, Uuno Vallner

Proceedings of the Baltic Conference, 2002

2000

CAD Problem Solving and Technical Systems Modelling Using the AI Programming Environments.

Ahto Kalja, Vahur Kotkas, Tiit Tiidemann

Proceedings of the Information Modelling and Knowledge Bases XII: Tenth European-Japanese Conference on Information Modelling and Knowledge Bases, 2000