Structured Semantic Data Search Tool

New! A version of ViziQuer available in web browser!

Overview ViziQuer allows graphical construction of SPARQL queries over given data schema that can be loaded from the ontology file or obtained by exploring a SPARQL endpoint. ViziQuer supports both simple and aggregate query formulation.

Download ViziQuer release 3.1.3 (14.10.2016)

ViziQuer release 3.1.2 (11.11.2015)

ViziQuer release 3.1.1 (13.10.2015)

ViziQuer release 3.0 (07.07.2015)

Requirements Windows XP SP2 or later
Instruction Download and unzip the archive to any folder on your computer.
Run the executable tda.exe.
First time you will be asked to register 2 components that are used by tool.
Choose 'Project->New project' for a new project, or 'Project->Open project' to open an existing project (projects are by default stored in Projects subfolder of the main tool folder).
Help More info available in user manual

Example An example mini-University ontology together with data triple set

Versions A page with earlier ViziQuer versions

Team Martins Zviedris, martins.zviedris at lumii lv
prof. Guntis Barzdins, guntis.barzdins at lumii lv
prof. Karlis Cerans, karlis.cerans at lumii lv
Julija Ovcinnikova, julija.ovcinnikova at lumii lv
Sergejs Rikacovs, sergejs.rikacovs at lumii lv

  • K.Cerans, J.Ovcinnikova. ViziQuer: Notation and Tool for Data Analysis SPARQL Queries. In Voila!2016 Proceedings, To appear in CEUR.
  • K.Cerans, J.Ovcinnikova, M. Zviedris. SPARQL Aggregate Queries made easy with Diagrammatic Query Language ViziQuer. In ISWC 2015 Posters & Demonstrations Track, CEUR Workshop Proceedings, Vol.1486
  • K.Cerans, J.Ovcinnikova, M. Zviedris. Towards Graphical Query Notation for Semantic Databases. In BIR 2015, Springer LNBIP.
  • G. Barzdins, S.Rikacovs, M. Zviedris. Graphical Query Language as SPARQL Frontend. In Grundspenkis, J., Kirikova, M., Manolopoulos, Y., Morzy, T., Novickis, L., Vossen, G. (Eds.), Local Proceedings of 13th East-European Conference (ADBIS 2009), pp. 93-107. Riga Technical University, Riga. (2009)
  • G.Barzdins, E.Liepins, M.Veilande, M.Zviedris, "Ontology Enabled Graphical Database Query Tool for End-Users", Selected papers from DBIS'2008, Hele-Mai Haav (Eds.), Frontiers in Artificial Intelligence and Applicatons series, IOS Press, 2009. 187:105-116
  • See also OWLGrEd - a tool for graphical OWL ontology visualization and authoring.
    OBIS - Ontology Based Information System. By creating an ontolgy you can get a web based information system for data manipulation!