I. Pispidikis, 8th International Conference Hellas GIs, 11-12 December 2014, National Technical University of Athens, Greece: Athens.

 T. Koukoletsos, I. Pispidikis & D. Loisios, 24th National ArcGIS User Conference, 19-20 May 2016, Greece: Athens

I Pispidikis, E Dimopoulou, 3D Geoinfo 2016, 20-21 October 2016, Greece: Athens

 T. Koukoletsos, I. Pispidikis, 25th National ArcGIS User Conference, 11-12 May 2017, Greece: Athens

 T. Koukoletsos, I. Pispidikis, 25th National ArcGIS User Conference, 11-12 May 2017, Greece: Athens

 I. Pispidikis, E. Tsiliakou, D. Kitsakis, A. Athanasiou, E. Kalogianni, T. Lampropoulos, E. Dimopoulou, 25th National ArcGIS User Conference, 11-12 May 2017, Greece: Athens

Ι. Pispidikis, Ε. Tsiliakou, D. Kitsakis, A. Athanasiou, E. Kalogianni, T. Lampropoulos, E. Dimpoulou, 5th International Conference of Rural and Surveying Engineering, 14-15 October 2017, Greece: Athens

New GeoIndex of Hellenic Military Geographical Service

I. Pispidikis, 11th International Conference of Hellenic Geographical Society, 11-15 Apr 2018, Greece: Athens

I. Pispidikis, E. Tsoumenis, T Koukoletsos,26th National ArcGIS User Conference, 10-11 May 2018, Greece: Athens

T Koukoletsos , I. Pispidikis, D. Leader, 26th National ArcGIS User Conference, 10-11 May 2018, Greece: Athens

 I. Pispidikis, E. Tsiliakou, D. Kitsakis, K. Athanasiou, E. Kalogianni, T. Labropoulos, and E. Dimopoulou, 26th National ArcGIS User Conference, 10-11 May 2018, Greece: Athens

 I. Pispidikis and E. Dimopoulou, 3D Geoinfo 2018, 01-02 October 2018, Netherland: Delft

I. Pispidikis, E. Tsiliakou, D. Kitsakis, K. Athanasiou, E. Kalogianni, T. Labropoulos, and E. Dimopoulou, 3D Geoinfo 2018, 01-02 October 2018, Netherland: Delft

 I. Pispidikis, E. Tsiliakou, D. Kitsakis, K. Athanasiou, E. Kalogianni, T. Labropoulos, and E. Dimopoulou, 10th National HellasGIs Conference, 12,13 & 14 November 2018, Greece: Athens