electronic-database public under database 35 List Picture As a command %3 n0 electronic-database n2 data-warehouse n0->n2 n3 digital-library n0->n3 n4 graph-database n0->n4 n5 lexical-database n0->n5 n6 software-repository n0->n6 n7 object-oriented-database n0->n7 n8 relational-database n0->n8 n1 database n1->n0