Georg Gottlob, Christoph Koch, Klaus U. Schulz:
Conjunctive queries over trees.
URL:
http://rewerse.net/publications/rewerse-publications.html#REWERSE-RP-2004-29
@inproceedings{REWERSE-RP-2004-29, author = {Georg Gottlob and Christoph Koch and Klaus U. Schulz}, title = {Conjunctive queries over trees}, booktitle = {Proceedings of Twenty-third ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, Paris, France (14th--16th June 2004)}, year = {2004}, organization = {ACM}, url = {http://rewerse.net/publications/rewerse-publications.html#REWERSE-RP-2004-29} }