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Scalable Public Transportation Queries on the Database. Alexandros Efentakis. 19th International Conference on Extending DatabaseTechnology, (EDBT 2016), 2016 Full text
SALT. A Unified Framework for All Shortest-Path Query Variants on Road Networks. Alexandros Efentakis, Dieter Pfoser, Yannis Vassiliou . 14th International Symposium on Experimental Algorithms (SEA 2015), 2015 Full text
GRASP. Extending Graph Separators for the Single-Source Shortest-Path Problem. Alexandros Efentakis, Dieter Pfoser. 22nd Annual European Symposium on Algorithms (ESA 2014), 2014 Full text
Isochrones, Traffic and DEMOgraphics. Alexandros Efentakis, Nikos Grivas, George Lamprianidis, Georg Magenschab, Dieter Pfoser. ACM SIGSPATIAL GIS 2013, November 5-8, 2013 Orlando, Florida, USA, 2013 Full text
Crowdsourcing computing resources for shortest-path computation. Alexandros Efentakis, Dimitris Theodorakis, Dieter Pfoser. Proc. 20th ACM SIGSPATIAL GIS Conference, 2012 Full text
On Vehicle Tracking Data-Based Road Network Generation. Sophia Karagiorgou, Dieter Pfoser. Proc. 20th ACM SIGSPATIAL GIS Conference, 2012 Full text
Dynamic pickup and delivery with transfers. Panagiotis Bouros, Dimitris Sacharidis, Theodore Dalamagas, and Timos Sellis. Proceedings of the 12th International Symposium on Spatial and Temporal Databases (SSTD’11), 2011 Full text
Efficient Data Management in Support of Shortest-Path Computation. Alexandros Efentakis, Dieter Pfoser, Agnes Voisard. 4th ACM SIGSPATIAL International Workshop on Computational Transportation Science, 2011 Full text


Crowdsourcing urban form and function. Andrew Crooks, Dieter Pfoser, Andrew Jenkins, Arie Croitoru, Anthony Stefanidis, Duncan Smith, Sophia Karagiorgou, Alexandros Efentakis & George Lamprianidis. International Journal of Geographical Information Science: pages 1-22, 2015, 2015 Full text

Technical Reports

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PhD Theses

Shortest-path algorithms on road networks and real-world applications. Alexandros Efentakis. PhD Thesis, School of Electrical and Computer Engineering, National Technical University of Athens, Greece, 2014 Full text

Diploma Theses

Creation of a Multi-Modal Tripplanner for Visitors to Athens. Michail Tziotis. Postgraduate Program in Geoinformatics, School of Rural and Surveying Engineering, NTUA, 2011


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