A Framework to Analyse and Evaluate Information Systems Specification Languages. - Albertas Caplinskas; Audrone Lupeikiene; Olegas Vasilecas (ADBIS, 2002)

Unified enterprise engineering environment: ontological point of view. - Albertas Caplinskas; Audrone Lupeikiene; Olegas Vasilecas (BalticDB&IS, 2002)

Mocuris - Modern Curriculum In Information Systems At Master Level. - Albertas Caplinskas; Olegas Vasilecas (ECIS, 2002)

Advances in Databases and Information Systems (ADBIS). - Albertas Caplinskas; Johann Eder; Olegas Vasilecas (SIGMOD Rec., 2002)

A Conceptual Graphs Approach for Business Rules Modeling. - Irma Valatkaite; Olegas Vasilecas (ADBIS, 2003)

Development of modern curriculum in information systems at master level. - Albertas Caplinskas; Olegas Vasilecas (CompSysTech, 2003)

The Role of Ontologies in Reusing Domain and Enterprise Engineering Assets. - Albertas Caplinskas; Audrone Lupeikiene; Olegas Vasilecas (Informatica, 2003)

Information systems research methodologies and models. - Albertas Caplinskas; Olegas Vasilecas (CompSysTech, 2004)

An Architecture for Natural Language Dialog Applications in Data Exploration and Presentation Domain. - Algirdas Laukaitis; Olegas Vasilecas; Raimondas Berniunas; Eimontas Augilius (ADBIS Research Communications, 2005)

On Business Rules Automation: The BR-Centric IS Development Framework. - Irma Valatkaite; Olegas Vasilecas (ADBIS, 2005)

Ontology-Based Information Systems Development: The Problem of Automation of Information Processing Rules. - Olegas Vasilecas; Diana Bugaite (ADVIS, 2006)

The Framework for Business Rule Based Software Modeling: an Approach for Data Analysis Models Integration. - Olegas Vasilecas; Aidas Smaizys (DB&IS, 2006)

Business Rules Elicitation in the Process of Enterprise Information System Development. - Olegas Vasilecas; Diana Bugaite (ICEIS (3), 2006)

The Use of the Natural Language Understanding Agents with Conceptual Models. - Olegas Vasilecas; Algirdas Laukaitis (ICEIS (2), 2006)

Business Rule Based Software System Configuration Management and Implementation Using Decision Tables. - Olegas Vasilecas; Aidas Smaizys (ADBIS Research Communications, 2007)

Tool-Supported Method for the Extraction of OCL from ORM Models. - Sergejus Sosunovas; Olegas Vasilecas (BIS, 2007)

Asymmetric Hybrid Machine Translation for Languages with Scarce Resources. - Algirdas Laukaitis; Olegas Vasilecas (CICLing, 2007)

Formal concept analysis and information systems modeling. - Algirdas Laukaitis; Olegas Vasilecas (CompSysTech, 2007)

Building ontologies from relational databases using reverse engineering methods. - Justas Trinkunas; Olegas Vasilecas (CompSysTech, 2007)

An algorithm for the automatic transformation of ontology axioms into a rule model. - Olegas Vasilecas; Diana Bugaite (CompSysTech, 2007)

Natural Language Based Heavy Personal Assistant Architecture for Information Retrieval and Presentation. - Algirdas Laukaitis; Olegas Vasilecas; Vilnius Gediminas (HCI (9), 2007)

Events Propagation from the Business System Level. - Diana Bugaite; Olegas Vasilecas (ISD (2), 2007)

Ontology Transformation to Conceptual Data Model U. - Justas Trinkunas; Olegas Vasilecas (ISD (2), 2007)

Integrating All Stages of Information Systems Development by Means of Natural Language Processing. - Algirdas Laukaitis; Olegas Vasilecas (REFSQ, 2007)

Four security certification levels for IT Managers and Staff in the Public Sector. - Sergejus Sosunovas; Olegas Vasilecas (SECURWARE, 2007)

Business Rule Management in Enterprise Resource Planning Systems. - Vladimir Avdejenkov; Olegas Vasilecas; Aidas Smaizys (DB&IS, 2008)

Agile Software System Development and Customisation Using Business Rules. - Aidas Smaizys; Olegas Vasilecas (DB&IS, 2008)

Formal transformation of ontology axioms to application domain rules. - Diana Kalibatiene; Olegas Vasilecas (CompSysTech, 2008)

Rules Transformation Using Formal Concept Approach. - Darius Jurkevicius; Olegas Vasilecas (ISD, 2008)

Risk Analysis Based Business Rule Enforcement for Intelligent Decision Support. - Olegas Vasilecas; Aidas Smaizys; Ramunas Brazinskas (ISD, 2008)

Multi-Alignment Templates Induction. - Algirdas Laukaitis; Olegas Vasilecas (Informatica, 2008)

Business Rule Model Integration into the Model of Transformation Driven Software Development. - Olegas Vasilecas; Aidas Smaizys (ADBIS (Workshops), 2009)

Implementation of Restriction and Validation Rules. - Olegas Vasilecas; Evaldas Lebedys (HEALTHINF, 2009)

Development of duty schedule using rules approach. - Darius Jurkevicius; Olegas Vasilecas (CompSysTech, 2009)

Evaluating the method of the transforming ontology axioms to application domain rules. - Diana Kalibatiene; Olegas Vasilecas (CompSysTech, 2009)

Augmenting UML with decision table technique. - Kestutis Normantas; Olegas Vasilecas; Sergejus Sosunovas (CompSysTech, 2009)

Ensuring consistency of information systems rules models. - Olegas Vasilecas; Ruta Dubauskaite (CompSysTech, 2009)

Development of Watch Schedule Using Rules Approach. - Darius Jurkevicius; Olegas Vasilecas (ISD, 2009)

Business Rules Based Agile ERP Systems Development. - Aidas Smaizys; Olegas Vasilecas (Informatica, 2009)

The approach of ensuring consistency of UML model based on rules. - Ruta Dubauskaite; Olegas Vasilecas (CompSysTech, 2010)

Ontology creation using formal concepts approach. - Darius Jurkevicius; Olegas Vasilecas (CompSysTech, 2010)

On OWL/SWRL mapping to UML/OCL. - Diana Kalibatiene; Olegas Vasilecas (CompSysTech, 2010)

Decision table based approach for business rules modelling in UML/OCL. - Olegas Vasilecas; Kestutis Normantas (CompSysTech, 2010)

Assessment of Ontology Development and Management Tools According to the Axioms. - Diana Kalibatiene; Olegas Vasilecas (ISD, 2010)

Survey on Ontology Languages. - Diana Kalibatiene; Olegas Vasilecas (BIR, 2011)

Deriving business rules from the models of existing information systems. - Olegas Vasilecas; Kestutis Normantas (CompSysTech, 2011)

Tool Support for Checking Consistency of UML Model. - Ruta Dubauskaite; Olegas Vasilecas (ISD, 2011)

Semi-Automatic Bilingual Corpus Creation with Zero Entropy Alignments. - Algirdas Laukaitis; Olegas Vasilecas; Ricardas Laukaitis; Darius Plikynas (Informatica, 2011)

An overview of the knowledge discovery meta-model. - Kestutis Normantas; Sergejus Sosunovas; Olegas Vasilecas (CompSysTech, 2012)

Extracting Business Rules from Existing Enterprise Software System. - Kestutis Normantas; Olegas Vasilecas (ICIST, 2012)

Selecting a methodology for business information systems development: Decision model and tool support. - Damjan Vavpotic; Olegas Vasilecas (Comput. Sci. Inf. Syst., 2012)

Application of the Ontology Axioms for the Development of OCL Constraints from PAL Constraints. - Diana Kalibatiene; Olegas Vasilecas (Informatica, 2012)

Ontology and SOA Based Data Mining to Business Process Optimization. - Aleksander Pivk; Olegas Vasilecas; Diana Kalibatiene; Rok Rupnik (ISD, 2013)

Rule Based Approach for Ensuring Consistency in Different UML Models. - Diana Kalibatiene; Olegas Vasilecas; Ruta Dubauskaite (SIGSAND, 2013)

General Context-Aware Data Matching and Merging Framework. - Slavko Zitnik; Lovro Subelj; Dejan Lavbic; Olegas Vasilecas; Marko Bajec (Informatica, 2013)

Decision-Making in Information Systems Based on New Development Framework and Business Process Mining. - Olegas Vasilecas; Diana Kalibatiene; Titas Savickas; Aidas Smaizys; Justas Trinkunas; Evaldas Lebedys (DB&IS, 2014)

Bayesian belief network application in process mining. - Titas Savickas; Olegas Vasilecas (CompSysTech, 2014)

Directed Acyclic Graph Extraction from Event Logs. - Olegas Vasilecas; Titas Savickas; Evaldas Lebedys (ICIST, 2014)

Business Process Event Log Transformation into Bayesian Belief Network. - Titas Savickas; Olegas Vasilecas (ISD, 2014)

Extracting term units and fact units from existing databases using the Knowledge Discovery Metamodel. - Kestutis Normantas; Olegas Vasilecas (J. Inf. Sci., 2014)

Analysis of Using Resources in Business Process Modeling and Simulation. - Olegas Vasilecas; Evaldas Laureckas; Audrius Rima (Appl. Comput. Syst., 2014)

Research on Improving Dynamic Business Procesess in HIS. - Justas Trinkunas; Toma Rusinaite; Olegas Vasilecas (ISD, 2015)

Dynamic Business Processes and Their Simulation: A Survey. - Olegas Vasilecas; Toma Rusinaite; Diana Kalibatiene (DB&IS (Selected Papers), 2016)

A Goal-Oriented Approach to Dynamic Business Process Simulation. - Olegas Vasilecas; Titas Savickas; Kestutis Normantas; Tadas Vysockis; Diana Kalibatiene (DB&IS (Selected Papers), 2016)

Resource Modelling for the Rule- and Context-Based Dynamic Business Process Simulation. - Diana Kalibatiene; Olegas Vasilecas; Vjaceslavs Bobrovs (CompSysTech, 2016)

An approach for allocation of shared resources in the rule-based business process simulation. - Toma Rusinaite; Olegas Vasilecas; Titas Savickas; Tadas Vysockis; Kestutis Normantas (CompSysTech, 2016)

Improving Business Processes in HIS by Adding Dynamicity. - Diana Kalibatiene; Justas Trinkunas; Toma Rusinaite; Olegas Vasilecas (ICIST, 2016)

Dynamic Business Process Simulation - A Rule- and Context- Based Approach. - Diana Kalibatiene; Olegas Vasilecas (ICIST, 2016)

Shared Resource Model for Allocating Resources to Activities in BP Simulation. - Olegas Vasilecas; Kestutis Normantas; Toma Rusinaite; Titas Savickas; Tadas Vysockis (ICIST, 2016)

Rule- and context-based dynamic business process modelling and simulation. - Olegas Vasilecas; Diana Kalibatiene; Dejan Lavbic (J. Syst. Softw., 2016)

Decision Support Using Belief Network Constructed from Business Process Event Log. - Titas Savickas; Olegas Vasilecas (Informatica, 2017)

Novelties Within the Framework for Information System Due Diligence. - Bostjan Delak; Olegas Vasilecas; Marko Bajec (J. Comput. Inf. Syst., 2017)

Simulation Based Multi-Objective Optimization for Dynamic Business Processes. - Tadas Vysockis; Olegas Vasilecas (Doctoral Consortium/Forum@DB&IS, 2018)

Belief network discovery from event logs for business process analysis. - Titas Savickas; Olegas Vasilecas (Comput. Ind., 2018)

An approach to business process simulation using mined probabilistic models. - Titas Savickas; Olegas Vasilecas (Comput. Sci. Inf. Syst., 2018)

Ontology-based multi-agent system to support business users and management. - Dejan Lavbic; Olegas Vasilecas; Rok Rupnik (CoRR, 2018)

A survey on modeling dynamic business processes. - Diana Kalibatiene; Olegas Vasilecas (PeerJ Comput. Sci., 2021)

Outlier Analysis for Telecom Fraud Detection. - Viktoras Chadysas; Andrej Bugajev; Rima Kriauziene; Olegas Vasilecas (DB&IS, 2022)

The Impact of Churn Labelling Rules on Churn Prediction in Telecommunications. - Andrej Bugajev; Rima Kriauziene; Olegas Vasilecas; Viktoras Chadysas (Informatica, 2022)