Diversity as an Objective in Informational Retrieval

As the sole author of this thesis, I authorize Brown University to lend it to other institutions or individuals for the purpose of scholarly research. Date Jesse Funaro I further authorize Brown University to reproduce this thesis by photocopying or other means, in total or in part, at the request of other institutions or individuals for the purpose of scholarly research. As the sole author of this thesis, I authorize Brown University to lend it to other institutions or individuals for the purpose of scholarly research. Date Jesse Funaro I further authorize Brown University to reproduce this thesis by photocopying or other means, in total or in part, at the request of other institutions or individuals for the purpose of scholarly research. iii Acknowledgements I would like to thank my advisor, Professor Amy Greenwald, for her guidance and understanding during my development of this thesis. The introductory problem descriptions at the beginning of the thesis are due to Professor Greenwald.