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Computer Science

D-Index
31
Citations
4321
World Ranking
13625
National Ranking
872

Overview

Roman Kontchakov is affiliated with Birkbeck, University of London in the United Kingdom. Their research primarily lies within the field of Computer Science, with an emphasis on Artificial Intelligence, Computer Networks and Communications, and Information Systems and Management.

The scientist's recent publications include the following papers:

  • First-order rewritability of ontology-mediated queries in linear temporal logic, 2021, Artificial Intelligence
  • First-Order Rewritability and Complexity of Two-Dimensional Temporal Ontology-Mediated Queries, 2022, Journal of Artificial Intelligence Research
  • First-Order Rewritability and Complexity of Two-Dimensional Temporal Ontology-Mediated Queries, 2021, BIROn (Birkbeck, University of London)
  • First-Order Rewritability and Complexity of Two-Dimensional Temporal Ontology-Mediated Queries, 2021, arXiv (Cornell University)
  • On the First-Order Rewritability of Ontology-Mediated Queries in Linear Temporal Logic (Extended Abstract), 2022, Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence

These works reflect a focus on ontology-mediated queries, temporal logic, and issues associated with rewritability and computational complexity.

Their frequent co-authors include:

  • Frank Wolter
  • Alessandro Artale
  • Alisa Kovtunova
  • Vladislav Ryzhikov
  • Michael Zakharyaschev

Roman Kontchakov has published extensively at venues such as:

  • arXiv (Cornell University)
  • Artificial Intelligence
  • Journal of Artificial Intelligence Research
  • BIROn (Birkbeck, University of London)
  • Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence

Main research topics covered in their work are:

  • Semantic Web and Ontologies
  • Advanced Database Systems and Queries
  • Logic, Reasoning, and Knowledge
  • Scientific Computing and Data Management
  • Service-Oriented Architecture and Web Services
  • Data Management and Algorithms
  • Hermeneutics and Narrative Identity

Their publication record shows contributions mainly focused on semantic web technologies and ontology theory, intersecting with advanced database systems and formal logic reasoning frameworks.

Best Publications

  • The DL-lite family and relations

    Alessandro Artale;Diego Calvanese;Roman Kontchakov;Michael Zakharyaschev

  • Ontop: Answering SPARQL queries over relational databases

    Diego Calvanese;Benjamin Cogrel;Sarah Komla-Ebri;Roman Kontchakov

  • Ontology-based data access: a survey

    Guohui Xiao;Diego Calvanese;Roman Kontchakov;Domenico Lembo

  • Ontology-Based Data Access: Ontop of Databases

    Mariano Rodríguez-Muro;Roman Kontchakov;Michael Zakharyaschev

  • The combined approach to query answering in DL-Lite

    R. Kontchakov;C. Lutz;D. Toman;F. Wolter

  • The combined approach to ontology-based data access

    R. Kontchakov;C. Lutz;D. Toman;F. Wolter

  • Reasoning over Extended ER Models

    A. Artale;D. Calvanese;R. Kontchakov;V. Ryzhikov

  • Logic-based ontology comparison and module extraction, with an application to DL-Lite

    Roman Kontchakov;Frank Wolter;Michael Zakharyaschev

  • Answering SPARQL Queries over Databases under OWL 2 QL Entailment Regime

    Roman Kontchakov;Martin Rezk;Mariano Rodríguez-Muro;Guohui Xiao

  • Reasoning over extended ER models

    A. Artale;D. Calvanese;R. Kontchakov;V. Ryzhikov

  • The price of query rewriting in ontology-based data access

    Georg Gottlob;Stanislav Kikot;Roman Kontchakov;Vladimir Podolskii

  • Combining spatial and temporal logics: expressiveness vs. complexity

    David Gabelaia;Roman Kontchakov;Agi Kurucz;Frank Wolter

  • Temporal description logic for ontology-based data access

    Alessandro Artale;Roman Kontchakov;Frank Wolter;Michael Zakharyaschev

  • Minimal module extraction from DL-lite ontologies using QBF solvers

    R. Kontchakov;L. Pulina;U. Sattler;T. Schneider

  • Can you tell the difference between DL-Lite ontologies?

    Roman Kontchakov;Frank Wolter;Michael Zakharyaschev

  • Spatial logic + temporal logic = ?

    Roman Kontchakov;Agi Kurucz;Frank Wolter;Michael Zakharyaschev

  • Temporalising Tractable Description Logics

    A. Artale;R. Kontchakov;C. Lutz;F. Wolter

  • A Cookbook for Temporal Conceptual Data Modelling with Description Logics

    Alessandro Artale;Roman Kontchakov;Vladislav Ryzhikov;Michael Zakharyaschev

  • Ontology-based data access with databases: a short course

    Roman Kontchakov;Mariano Rodríguez-Muro;Michael Zakharyaschev

  • Ontology-based data access with a horn fragment of metric temporal logic

    S. Brandt;E. Güzel Kalaycı;Roman Kontchakov;Vladislav Ryzhikov

  • Conjunctive query answering with OWL 2 QL

    Stanislav Kikot;Roman Kontchakov;Michael Zakharyaschev

  • DL-lite in the light of first-order logic

    A. Artale;D. Calvanese;R. Kontchakov;M. Zakharyaschev

Frequent Co-Authors

Michael Zakharyaschev
Michael Zakharyaschev Birkbeck, University of London
Frank Wolter
Frank Wolter University of Liverpool
Diego Calvanese
Diego Calvanese Free University of Bozen-Bolzano
Carsten Lutz
Carsten Lutz Leipzig University
Enrico Franconi
Enrico Franconi Free University of Bozen-Bolzano
Thomas Schwentick
Thomas Schwentick TU Dortmund University
Riccardo Rosati
Riccardo Rosati Sapienza University of Rome
Ulrike Sattler
Ulrike Sattler University of Manchester
Georg Gottlob
Georg Gottlob University of Calabria
Nick Bassiliades
Nick Bassiliades Aristotle University of Thessaloniki

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