@misc{indiciae8013f743275f, title = {Semantic challenges in database Federation: lessons learned.}, author = {Thomas Ganslandt and Udo Kunzmann and Katharina Diesch and Péter Pálffy and Hans-Ulrich Prokosch}, year = {2005}, url = {https://pubmed.ncbi.nlm.nih.gov/16160315/}, note = {Source identifier: 16160315} }