TY  - BOOK
AU  - Alfredo Cuzzocrea, Sergio Greco, Henrik Legind Larsen, Domenico Saccà, Troels Andreasen, Henning Christiansen
TI  - Flexible Query Answering Systems
SN  - 9783030276294
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-030-27629-4
ER  -