 Souravlas S. and Sifaleras A., On minimizing memory and computation overheads for binarytree based data replication, in Proc. of the 22nd IEEE Symposium on Computers and Communications (ISCC 2017), 36 July, Heraklion, Crete, pp. 12961299, 2017.
 Papalitsas Ch., Giannakis K., Andronikos Th., Theotokis D., and Sifaleras A., "Initialization methods for the TSP with time windows using variable neighborhood search", in IEEE Proc. of the 6th International Conference on Information, Intelligence, Systems and Applications (IISA 2015), 68 July, Corfu, Greece, 2015.
 Stiakakis E. and Sifaleras A., "Comparison of DEA Models Relating eHealth and Hospital Efficiency", in Proc. of the XLII International Symposium on Operations Research (SYMOPIS 2015), 1518 September, Silver Lake Resort, Serbia, pp. 659662, 2015.
 Argyriou G. and Sifaleras A., "An AMPL optimization software library for Data Envelopment Analysis", in Proc. of the XI Balkan Conference on Operational Research (BALCOR 2013), 710 September, BelgradeZlatibor, Serbia, pp. 105113, 2013.
 Xinogalos S., Psannis K., and Sifaleras A., "Recent advances delivered by HTML 5 in mobile cloud computing applications: a survey", ACM International Conference Proceeding Series, in Proc. of the 5th Balkan Conference in Informatics (BCI 2012), 1620 September, Novi Sad, Serbia, pp. 199204, 2012.
 Geranis G., Paparrizos K., and Sifaleras A., "On the Computational Behavior of a Dual Network Exterior Point Simplex Algorithm for the Minimum Cost Network Flow Problem", in Proc. of the International Network Optimization Conference (INOC 2009), 2629 April, Pisa, Italy, 2009.
 Ploskas N., Samaras N., and Sifaleras A., "A parallel implementation of an exterior point algorithm for linear programming problems", in Proc. of the 9th Balkan Conference on Operational Research (BALCOR 2009), 26 September, Constanta, Romania, 2009.
 Rossiou E.
and Sifaleras A.,
"Blended Methods to Enhance Learning: An Empirical Study of
Factors Affecting Student Participation in the use of eTools
to Complement F2F Teaching of Algorithms", in Proc.
of the 6th European Conference on eLearning (ECEL
2007), 45 October, Copenhagen, Denmark, pp. 519528, 2007.
 Samaras N., Sifaleras A.,
and Triantafyllidis C., "A primal  dual exterior point algorithm for
linear programming problems", in Proc. of the 8th Balkan Conference on Operational Research (BALCOR
2007), 1417 September, BelgradeZlatibor, Serbia, pp. 7583, 2007.
 Geranis
G., Paparrizos K., and Sifaleras A., "A dual exterior point simplex type
algorithm for the minimum cost network flow problem", in Proc. of the 8th Balkan Conference on
Operational Research (BALCOR 2007), 1417 September,
BelgradeZlatibor, Serbia, pp.137147, 2007.
 Badr E. S,
Moussa M., Paparrizos K., Samaras N., and Sifaleras A., "Some computational
results on MPI Parallel Implementation of Dense Simplex Method". in Proc. of World Academy of
Science, Engineering and Technology, Vol.
23, pp. 3942, presented in the Seventeenth
International Conference on Computer & Information Science and
Engineering (CISE 2006), 810 December, Cairo, Egypt, 2006.
 Paparrizos
K., Samaras N., and Sifaleras A., "Some preliminary results on the
cycling problem for the network exterior point simplex algorithm", in
Proc. of the Seventh
International Conference on Operations and Quantitative Management
(ICOQMVII), 35 August, Jaipur, India, pp. 536540, 2006.
 Karagiannis
P., Paparrizos K., Samaras N., and Sifaleras A., "A new simplex type
algorithm for the minimum cost network flow problem", in
Proc. of the 7th Balkan Conference on Operational Research (BALCOR
2005), 2528 May, Constanta, Romania, pp. 133139, 2005.
 Baloukas Th, Paparrizos K., and
Sifaleras A., "Promoting Operations Research education
using a new web  accessible didactic tool", in
Proc. of the 7th Balkan Conference on Operational Research (BALCOR 2005), 2528 May, Constanta, Romania, pp. 393398, 2005.
 Doulamis
N., Karagiannis P., Sifaleras A., and Paparrizos K., "Dynamic video
content decomposition: an efficient scheme for personalized video
content navigation over the web", in Proc. of the 6th International Workshop on Image
Analysis for Multimedia Interactive Services (WIAMIS 2005),
1315 April, Montreux, Switzerland, 2005.
 Doulamis
N., Karagiannis P., Paparrizos K., Sifaleras A., and Doulamis A., "A
Reconfigurable Mobile Agent Architecture Enhanced with Recursive
Relevance Feedback Mechanism for Interactive Multimedia Retrieval", in
Proc. of the 7th
International Workshop of the EU Network of Excellence DELOS on
AudioVisual Content and Information Visualization in Digital Libraries (AVIVDiLib 2005), 46 May, Cortona, Italy, pp. 188191, 2005.
 Paparrizos
K., Samaras N., and Sifaleras A., "A learning tool for the visualization of
general, directed or undirected rooted trees", in Morgan K. and Spector J.M. (Eds.), WIT
Transactions on Information and Communication Technologies,
Vol. 30, WIT Press, pp.
205213, 2004, presented at the 1st
International Conference on New Learning Paradigms and New Learning
Tools (New Learning 2004), 1012 May, Skiathos, Greece.
 Karagiannis
P., Paparrizos K., Samaras N., and Sifaleras A., "Employing Mobile Agents to Secure Local
Networks", in IEEE Proc. of the 1st International
Conference on Information & Communication Technologies: From
Theory to Applications (ICTTA 2004), 1923 April,
Damascus, Syria, pp. 501502, 2004.
 Dosios K., Paparrizos K., Samaras
N.,
and Sifaleras A., "An Efficient Modification of the PrimalDual
Two Paths Simplex Algorithm", in Proc. of the
International Conference on Computational Methods in Sciences and
Engineering (ICCMSE 2003), 1216 September, Kastoria,
Greece, Vol. 1, pp. 144147, 2003.
