TY  - BOOK
AU  - Henning Christiansen, Hélène Jaudoin, Panagiotis Chountas, Troels Andreasen, Henrik Legind Larsen
TI  - Flexible Query Answering Systems
SN  - 9783319596921
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-319-59692-1
ER  -