Random triples
| Subject | Object |
|---|---|
| gptkb:UPC_barcode_standard | yes |
| gptkb:Code_39 | optional |
| gptkb:IATA_2_of_5 | optional |
| gptkb:Standard_2_of_5 | optional |
| gptkb:Interleaved_2_of_5 | optional |
| gptkb:International_Mobile_Equipment_Identity_(IMEI) | Luhn algorithm |
| gptkb:Plessey_Code_(barcode_system) | gptkb:CRC_(Cyclic_Redundancy_Check) |
| gptkb:Code_128A | modulo 103 |