Hecataeus: A Framework for Representing SQL Constructs as Graphs. - George Papastefanatos; Kostis Kyzirakos; Panos Vassiliadis; Yannis Vassiliou (EMMSAD, 2005)

Modeling and Querying Metadata in the Semantic Sensor Web: The Model stRDF and the Query Language stSPARQL. - Manolis Koubarakis; Kostis Kyzirakos (ESWC (1), 2010)

SPARQL Query Optimization on Top of DHTs. - Zoi Kaoudi; Kostis Kyzirakos; Manolis Koubarakis (ISWC (1), 2010)

Developing Registries for the Semantic Sensor Web using stRDF and stSPARQL (short paper). - Kostis Kyzirakos; Manos Karpathiotakis; Manolis Koubarakis (SSN, 2010)

Atlas: Storing, updating and querying RDF(S) data on top of DHTs. - Zoi Kaoudi; Manolis Koubarakis; Kostis Kyzirakos; Iris Miliaraki; Matoula Magiridou; Antonios Papadakis-Pesaresi (J. Web Semant., 2010)

A Semantically Enabled Service Architecture for Mashups over Streaming and Stored Data. - Alasdair J. G. Gray; Raul Garcia-Castro; Kostis Kyzirakos; Manos Karpathiotakis; Jean-Paul Calbimonte; Kevin R. Page; Jason Sadler; Alex Frazer; Ixent Galpin; Alvaro A. A. Fernandes; Norman W. Paton; Óscar Corcho; et al. (ESWC (2), 2011)

A Semantic Sensor Web for Environmental Decision Support Applications. - Alasdair J. G. Gray; Jason Sadler; Oles Kit; Kostis Kyzirakos; Manos Karpathiotakis; Jean-Paul Calbimonte; Kevin R. Page; Raúl García-Castro; Alex Frazer; Ixent Galpin; Alvaro A. A. Fernandes; Norman W. Paton; et al. (Sensors, 2011)

Building Virtual Earth Observatories Using Ontologies, Linked Geospatial Data and Knowledge Discovery Algorithms. - Manolis Koubarakis; Michael Sioutis; George Garbis; Manos Karpathiotakis; Kostis Kyzirakos; Charalampos Nikolaou; Konstantina Bereta; Stavros Vassos; Corneliu Octavian Dumitru; Daniela Espinoza-Molina; Katrin Molch; Gottfried Schwarz; et al. (OTM Conferences (2), 2012)

Building Virtual Earth Observatories Using Ontologies and Linked Geospatial Data. - Manolis Koubarakis; Manos Karpathiotakis; Kostis Kyzirakos; Charalampos Nikolaou; Stavros Vassos; George Garbis; Michael Sioutis; Konstantina Bereta; Stefan Manegold; Martin L. Kersten; Milena Ivanova; Holger Pirk; et al. (RR, 2012)

Data Models and Query Languages for Linked Geospatial Data. - Manolis Koubarakis; Manos Karpathiotakis; Kostis Kyzirakos; Charalampos Nikolaou; Michael Sioutis (Reasoning Web, 2012)

Real Time Fire Monitoring Using Semantic Web and Linked Data Technologies. - Kostis Kyzirakos; Manos Karpathiotakis; George Garbis; Charalampos Nikolaou; Konstantina Bereta; Michael Sioutis; Ioannis Papoutsis; Themistoklis Herekakis; Dimitrios Michail 001; Manolis Koubarakis; Charalambos Kontoes (ISWC (Posters & Demos), 2012)

Strabon: A Semantic Geospatial DBMS. - Kostis Kyzirakos; Manos Karpathiotakis; Manolis Koubarakis (ISWC (1), 2012)

TELEIOS: A Database-Powered Virtual Earth Observatory. - Manolis Koubarakis; Kostis Kyzirakos; Manos Karpathiotakis; Charalampos Nikolaou; Stavros Vassos; George Garbis; Michael Sioutis; Konstantina Bereta; Dimitrios Michail 001; Charalambos Kontoes; Ioannis Papoutsis; Themos Herekakis; et al. (Proc. VLDB Endow., 2012)

Sextant: Browsing and Mapping the Ocean of Linked Geospatial Data. - Charalampos Nikolaou; Kallirroi Dogani; Kostis Kyzirakos; Manolis Koubarakis (ESWC (Satellite Events), 2013)

SexTant: Visualizing Time-Evolving Linked Geospatial Data. - Konstantina Bereta; Charalampos Nikolaou; Manos Karpathiotakis; Kostis Kyzirakos; Manolis Koubarakis (ISWC (Posters & Demos), 2013)

Geographica: A Benchmark for Geospatial RDF Stores (Long Version). - George Garbis; Kostis Kyzirakos; Manolis Koubarakis (ISWC (2), 2013)

The Spatiotemporal RDF Store Strabon. - Kostis Kyzirakos; Manos Karpathiotakis; Konstantina Bereta; George Garbis; Charalampos Nikolaou; Panayiotis Smeros; Stella Giannakopoulou; Kallirroi Dogani; Manolis Koubarakis (SSTD, 2013)

Geographica: A Benchmark for Geospatial RDF Stores - George Garbis; Kostis Kyzirakos; Manolis Koubarakis (CoRR, 2013)

Big, Linked and Open Data: Applications in the German Aerospace Center. - Charalampos Nikolaou; Kostis Kyzirakos; Konstantina Bereta; Kallirroi Dogani; Stella Giannakopoulou; Panayiotis Smeros; George Garbis; Manolis Koubarakis; Daniela Espinoza-Molina; Corneliu Octavian Dumitru; Gottfried Schwarz; Mihai Datcu (ESWC (Satellite Events), 2014)

GeoTriples: a Tool for Publishing Geospatial Data as RDF Graphs Using R2RML Mappings. - Kostis Kyzirakos; Ioannis Vlachopoulos; Dimitrianos Savva; Stefan Manegold; Manolis Koubarakis (TC/SSN@ISWC, 2014)

Building Virtual Earth Observatories Using Scientific Database and Semantic Web Technologies. - Kostis Kyzirakos; Stefan Manegold; Charalampos Nikolaou; Manolis Koubarakis (ERCIM News, 2014)

Wildfire monitoring using satellite images, ontologies and linked geospatial data. - Kostis Kyzirakos; Manos Karpathiotakis; George Garbis; Charalampos Nikolaou; Konstantina Bereta; Ioannis Papoutsis; Themos Herekakis; Dimitrios Michail 001; Manolis Koubarakis; Charalambos Kontoes (J. Web Semant., 2014)

A Round Table for Multi-disciplinary Research on Geospatial and Climate Data. - Romulo Goncalves; Milena Ivanova; Foteini Alvanaki; Jason Maassen; Kostis Kyzirakos; Oscar Martinez-Rubi; Hannes Mühleisen (e-Science, 2015)

GIS Navigation Boosted by Column Stores. - Foteini Alvanaki; Romulo Goncalves; Milena Ivanova; Martin L. Kersten; Kostis Kyzirakos (Proc. VLDB Endow., 2015)

Sextant: Visualizing time-evolving linked geospatial data. - Charalampos Nikolaou; Kallirroi Dogani; Konstantina Bereta; George Garbis; Manos Karpathiotakis; Kostis Kyzirakos; Manolis Koubarakis (J. Web Semant., 2015)

In memory processing of massive point clouds for multi-core systems. - Kostis Kyzirakos; Foteini Alvanaki; Martin L. Kersten (DaMoN, 2016)

A columnar architecture for modern risk management systems. - Romulo Goncalves; Sisi Zlatanova; Kostis Kyzirakos; Pirouz Nourian; Foteini Alvanaki; Willem Robert van Hage (eScience, 2016)

A spatial column-store to triangulate the Netherlands on the fly. - Romulo Goncalves; Tom van Tilburg; Kostis Kyzirakos; Foteini Alvanaki; Panagiotis Koutsourakis; Ben van Werkhoven; Willem Robert van Hage (SIGSPATIAL/GIS, 2016)

GeoTriples: Transforming geospatial data into RDF graphs using R2RML and RML mappings. - Kostis Kyzirakos; Dimitrianos Savva; Ioannis Vlachopoulos; Alexandros Vasileiou 003; Nikolaos Karalis; Manolis Koubarakis; Stefan Manegold (J. Web Semant., 2018)

Evaluating Geospatial RDF Stores Using the Benchmark Geographica 2. - Theofilos Ioannidis; George Garbis; Kostis Kyzirakos; Konstantina Bereta; Manolis Koubarakis (J. Data Semant., 2021)