[Α] Journal Papers

J.1 L. Konguetsof, T. Vougiouklis, M. Kessoglides, S. Spartalis, «Oncyclichyper-groupswithperiod», Acta Universitatis Carolinae Matematica et Physica, Vol.28, No1,p.3-7, 1987 (M.R. # 89 c: 20107, Z.M. # 0658.20045).

J.2 T. Vougiouklis, and S. Spartalis, «P-cyclic hypergroups with three characteristic elements», Annals of Discrete Mathematics (North-Holland), 37, p. 421-426, 1988 (M.R. # 89 e: 20133, Z.M. # 0652.20068).

J.3 S. Spartalis, «A class of Hyperrings», Rivista di Matematica Pura ed Applicata (Aviani Editore), N.4, p. 55-64, 1989 (M.R. # 91 h: 16076, Z. M. # 0719.16025).

J.4 L.Konguetsof, T. Vougiouklis, S. Spartalis, «Sur les hyperstructures tres fines», Rendiconti di Matematica (Dip. di matematica, Universita degli studi di Roma), Serie VII, Volume 13, p. 297-304, 1993 (M.R. # 95h: 20090, Z.M. # 0804.20052).

J.5 S.Spartalis and T.Vougiouklis, «The fundamental relations on Hv-rings», Rivista di Matematica Pura ed Applicata (Aviani Editore), N. 14, p. 7-20, 1994 (M.R. # 95 h: 16061).

J.6 S.Spartalis,«On the number of Hv-rings with P-hyperoperations», Discrete Mathematics (Elsevier), No 155, p. 225-231, 1996 (M.R. # 97 d: 16054, Z.M. # 0857.16044).

J.7 T.Vougiouklis, S.Spartalis, M.Kessoglides, «Weak hyperstructures on small sets», Ratio Matematica (Libreria dell’ Universita Editrice Pescara), n.12, p.90-96, 1997(C.M.P. # 1778902, Z. M. # 0974.20053).

J.8 S.Spartalis, A.Dramalides, T.Vougiouklis, «On Hv-Group Rings», Algebras Groups and Geometries 15 (Hadronic Press USA), p.47-54, 1998 (C.M.P. # 1674789,          Z. M. # 0995.16039).

J.9 R.Miglioratio, S.Spartalis, «Feebly Associative P-hypergroupoids»,  Rendiconti del Circolo Matematico di Palermo (Dip. di Matematica e Applicazioni dell'Universita degli Studi di Palermo), Serie II, Tomo XLIX, p. 27-40, 2000 (M.R. # 2001 c: 20153,     Z.M. # 0954.20042).

J.10S.Spartalis, “On Hv-semigroups”, Italian Journal of Pure and Applied Mathematics (Forum-Editrice Universitaria Udinese Srl.), N.11, p.9-20, 2001 (M.R. # 2004 f: 20119, Z.M. # pre05058474).
J.11 C.Mamaloukas,S.Spartalis, H.Mazumdar, “MHD Flow of a Newtonian Fluid over a stretching sheet: An approximate solution”, IJCNAA International Journal of Computational and Numerical Analysis and Applications (Academic Publications), Vol.1, No 3, p.299-310, 2002 (C.M.P. # 1893218, Z.M. # 1027.76065).

J.12 Z.Manussaridis,C.Mamaloukas,S.Spartalis, “A prototype DSS Varied Activities Routing”, IJCNAA International Journal of Computational and Numerical Analysis and Applications (Academic Publications), Vol.1, No 3, p.311-322, 2002 (Z.M. # 1046.90535).

J.13 S.Spartalis, “Hypergroupoids obtained from groupoids with binary relations”, Italian Journal of Pure and Applied Mathematics (Forum Editrice Universitaria Udinese), N.16, p.201-210, 2004 (M.R. # 2005 h: 20162, Z.M. # 1140.20051).

J.14 S.Spartalis, G.Vekris, “Information Transport in 2-Port Cell Networks”, Applied Numerical Analysis and Computational Mathematics (WILEY-VCH), No2, p.245-253, 2005 (M.R. # 2006 g: 94054, Z.M. # 0857.16044).

J.15 L.Iliadis, S.Spartalis, “Fundamental Fuzzy Relation Concepts of a D.S.S. for the Estimation of Natural Disasters’ Risk (The case of a trapezoidal membership function)”, Mathematical and Computer Modelling (Elsevier), Volume 42, issues 7-8,  p .747-758, 2005 (Z.M. # 1090.91052).

J.16 S.Spartalis, C.Mamaloukas, “Hyperstructures associated with binary relations”, Computers and Mathematics with Applications (Elsevier), Volume 51, issue1, p.41-50 2006 (M.R. # 2006 i: 20082, Z.M. # 1106.08001).

J.17 C.Mamaloukas,S.Spartalis, Z.Manussaridis,“Similarity Approach to the Problem of Second Grade Fluid Over a Stretching Sheet”, Applied Mathematical Sciences (Hikari Ltd), Vol. 1, no. 7, p. 327-338, 2007 (M.R. # 2008b: 35208, Z.M. # pre 02161739).

J.18 S.Spartalis, L.Iliadis, F.Maris, “An Innovative Risk evaluation System estimating its own Fuzzy Entropy”, Mathematical and Computer Modelling (Elsevier), Volume 46, issues1-2, p. 260-267, 2007.

J.19 Z.Manussaridis,C.Mamaloukas,S.Spartalis,"A VRS Dimension Framework for Effective DSS Design", Applied Mathematical Sciences (Hikari Ltd), Vol.1, 2007, no. 41-44, p. 2079–2090, 2007.

J.20 L.Iliadis, S.Spartalis, A.K.Paschalidou, P.Kassomenos, “Artificial Neural Network Modelling of the surface Ozone Concentration”, Ιnternational Journal of Computational and Applied Mathematics–IJCAM (Research India Publications), Volume 2, No2, p. 125-138, 2007.

J.21S.Spartalis, M.Danikas, G.Andreou, G.Vekris, “Statistical Study of the oil dielectric strength in power distribution transformers”, Journal of Electrical Engineering (Slovak University of Technology), Vol. 59, No 2, p. 68-74, 2008.

J.22 S.Spartalis, L.Iliadis, “Artificial Neural Networks employing Fuzzy Numbers for rapid risk estimation”, Advances in Fuzzy Mathematics-AFM (Research India Publications),Volume 2, Number 1-2, p. 51-64, 2007.

J.23 L.Iliadis, S.Spartalis, S.Tachos,“Application of fuzzy T-norms towards a new Artificial Neural Networks’ evaluation framework: A case from wood industry, Information Sciences (Elsevier), No 178, p. 3828-3839, 2008.

J.24 S.Spartalis, “The Hyperoperation Relation and the Corsini’s Partial or not-Partial Hypergroupoids (A classification)”, Italian Journal of Pure and Applied Mathematics (Forum-Editrice Universitaria Udinese Srl.), No24, p. 97-112, 2008. (M.R. # 2009k: 20143, Z.M. # pre05593439).

J.25 C.Mamaloukas, S.Spartalis, “Decomposition Method in Comparison with Numerical Solutions of Burgers Equation”, Ratio Μathematica,Libreria dell’Universita Editrice Pescara (Italy), No18, p.51-61, 2008.

J.26 L.Iliadis, S.Spartalis, “An Intelligent Information System for Fuzzy Additive Modelling (Hydrological Risk Application)”, Jranian Journal of Fuzzy Systems, Vol.7, No. 1, p.47-61, 2009.

J.27 S.Spartalis, L.Iliadis, “Risk Modeling by applying Unsupervised Neural Clustering on Fuzzy Conjunction Vectors”, Fuzzy Sets, Rough Sets, Multivalued Operations and Applications, Vol.1, N.2, p.143-150, 2009.

J.28 L.Iliadis, Μ.Vangeloudi,S.Spartalis, “An intelligent system employing an enhanced fuzzy c-means clustering model: Application in the case of forest fires”, Computers and Electronics in Agriculture, (Elsevier), N.70, p.276-284, 2010.

J.29 S.Spartalis, M.Konstantinidou-Serafimidou, A. Taouktsoglou, “C-hypergroupoids obtained by Special Binary Relations”, Computers and Mathematics with Applications (Elsevier), N.59, p.2628-2635, 2010.

J.30 T. Tsataltginos, L.Iliadis, S.Spartalis, “An Intelligent Fuzzy rule based System for Forest Fire Risk Degree estimation of the Greek terrain”, accepted in the Journal Engineering Intelligent Systems (Ms.Ref. No.: EISSI#6).

J.31 L.Iliadis, S.Spartalis, S.Tachos,“Kernal methods and Neural Networks for water resources management”, Environmental Engineering Management Journal, Vol.9, No2, p. 181-187, 2010.

J.32 L.Iliadis, Scopianos S., S.Tachos and S.Spartalis,“Testing Sigmoid and Gaussian fuzzy sets towards forest fire risk modeling”, Engineering Intelligent Systems, Vol. 18 Nos 3/4 September/December 2010, p. 125-132, Curtin university of Technology, Australia, CRL Publising, 2011.

J.33 D Vijay Rao, Lazaros Iliadis, A Papaleonidas, Stefanos Spartalis,, “Modelling Environmental Factors and Effects in Virtual Warfare Simulators by using a Multi Agent approach”,  IJAI,  International Journal of Artificial Intelligence, Volume 9, Number A12, p.172-185, 2012.

J.34 A.Kalampakas, S.Spartalis, K.Skoulariki, “Direct Graphs representing isomorphism classes of C-Hypergroupoids”, RATIO MATEMATIKA 23, p.51-64, 2012.

J.35 P. K. Marhavilas, D.E. Koulouriotis, S.I. Spartalis, “Harmonic Analysis of Occupational-Accident Time-Series as a Part of the Quantified Risk Evaluation in Worksites: Application on Electric Power Industry and Construction Sector”, Reliability Engineering & System Safety (Elsevier), Vol. 112, p.8-25, 2013.

J.36. A. Kalampakas, S. Spartalis and L. Iliadis, “Syntactic Recognizability of Graphs with Fuzzy Attributes”, F.S.S. Fuzzy Sets and Systems (Elsevier), Vol. 229, p.91-100, 2013.

J.37. A. Kalampakas, S. Spartalis and L. Iliadis, I. Pimenidis, “Fuzzy Graphs: Algebraic Structure and Syntactic Recognition”, Journal Artificial Intelligence Review, Volume 42, Issue 3, p.479-490, SPRINGER (University of Edinburg), 2014.

J.38. A. Kalampakas, S. Spartalis, A. Tsigkas, “The Path Hyperoperation”, ISI Journal Analele Universitatii "Ovidius" Constanta, Seria Matematica, Vol. 01, 22(1), p.141-153, 2014.

J.39. A. Kalampakas, O. Louscou-Bozapalidou, S. Spartalis, “Recognizability in Stochastic Monoids”, Journal Ratio Mathematica, Number 26, p. 65-76, 2014.

J.40. A. Kalampakas, S. Spartalis, “Path Hypergroupoids: Commutativity and Graph Connectivity”, European Journal of Combinatorics, 44, p. 257-264, 2015

J.41. I. Metaxas, D. Koulouriotis and S. Spartalis, “A multicriteria model on calculating the Sustainable Business Excellence Index of afirm with fuzzy AHP and TOPSISH”, Benchmarking: An International Journal. Vol. 23 No. 6, p. 1522-1557, 2016.

J.42 S. Spartalis, A. Kalampakas, “Graph hyperoperations: Path, Simple Path and Common Ancestry”, International Journal of Algebraic Hyperstructures and its Applications, Volume 2, Issue 1, p.41-51, 2016.

J.43 V.D. Anezakis, K. Demertzis, L. Iliadis, S. Spartalis, “Hybrid intelligent modeling of wild fires risk”, Evolving Systems, Springer-Verlag GmbH Germany , pp 1–17, 2017 (DOIhttps://doi.org/10.1007/s12530-017-9196-6).