“… Type | PoS | Rec | PP | Nav. | Customer | Comment | Killamsetty, et al Javali and Bhavanishankar, Naveenprabu, et al Ayoola et al and Gunasagar and Balachander [ 6 , 17 , 26 , 27 , 37 ] | SSC | | × | × | × | All | Reduces POS time, but cashier is still needed |
Gupte et al and Yewatkar, et al [ 19 , 51 ] | SSC | | | × | × | All | Recommendation is limited to a single shop |
Pangasa and Aggarwal, Gupte et al and Yewatkar et al [ 19 , 39 , 51 ] | SSC | | | | × | All | Locates an item at a time |
Paul et al [ 41 ] | SSC | | | × | × | All | Recommendation is limited to a single shop |
Yanfu et al and Mittal et al [ 34 , 50 ] | SSC, Biometric | × | | ... |
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