A Geometric Fuzzy-Based Approach for Airport Clustering

Table 1

Commercial airports in Italy (reference year: 2012, source: http://www.assaeroporti.it/category/statistiche/).

1 Alghero, AHO	2 Ancona, AOI	3 Bari, BRI	4 Bergamo, BGY	5 Bologna, BLQ	6 Bolzano, BZO
7 Brescia, VBS	8 Brindisi, BDS	9 Cagliari, CAG	10 Catania, CTA	11 Crotone, CRV	12 Cuneo, CUF
13 Firenze, FLR	14 Foggia, FOG	15 Forlì, FRL	16 Genova, GOA	17 Lamezia Terme, SUF	18 Milano Linate, LIN
19 Milano Malpensa, MXP	20 Napoli, NAP	21 Olbia, OLB	22 Palermo, PMO	23 Parma, PMF	24 Perugia, PEG
25 Pescara, PSR	26 Pisa, PSA	27 Reggio Calabria, REG	28 Rimini, RMI	29 Roma Ciampino, CIA	30 Roma Fiumicino, FCO
31 Siena, SAY	32 Torino, TRN	33 Trapani, TS	34 Treviso, TSF	35 Trieste, TRS	36 Venezia, VCE
37 Verona, VRN	38 Grosseto, GRS