On the complexity of schema inference from web pages in the presence of nullable data attributes.

@inproceedings{yang-2003-complexity, author = {Guizhen Yang and I. V. Ramakrishnan and Michael Kifer}, title = {{On the complexity of schema inference from web pages in the presence of nullable data attributes}}, booktitle = {{Proceedings of the 2003 ACM CIKM International Conference on Information and Knowledge Management, New Orleans, Louisiana, USA, November 2-8, 2003}}, pages = {224--231}, publisher = {ACM}, year = {2003}, url = {https://doi.org/10.1145/956863.956907}, doi = {https://doi.org/10.1145/956863.956907} }