@inproceedings{kimmel2015oracles, title={Oracles with Costs}, author={Kimmel, Shelby and Lin, Cedric Yen-Yu and Lin, Han-Hsuan}, booktitle={10th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2015)}, volume={44}, pages={1--26}, year={2015}, organization={Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik} }