Gucht, D. V., Gyssens, M., Paredaens, J., & Wu, Y. A study of a positive fragment of path queries: Expressiveness, normal form and minimization.

Gucht, Dirk Van., Marc Gyssens, Jan Paredaens, و Yuqing Wu. A Study of a Positive Fragment of Path Queries: Expressiveness, Normal Form and Minimization.

Gucht, Dirk Van., Marc Gyssens, Jan Paredaens, و Yuqing Wu. A Study of a Positive Fragment of Path Queries: Expressiveness, Normal Form and Minimization.