Preference query evaluation over expensive attributes.

@inproceedings{levandoski-2010-preference, author = {Justin J. Levandoski and Mohamed F. Mokbel and Mohamed E. Khalefa}, editor = {Jimmy Huang and Nick Koudas and Gareth J. F. Jones and Xindong Wu and Kevyn Collins-Thompson and Aijun An}, title = {{Preference query evaluation over expensive attributes}}, booktitle = {{Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010}}, pages = {319--328}, publisher = {ACM}, year = {2010}, url = {https://doi.org/10.1145/1871437.1871481}, doi = {https://doi.org/10.1145/1871437.1871481} }