- [Thesis: Exploiting Functional Dependence in Query Optimization](https://cs.uwaterloo.ca/research/tr/2000/11/CS-2000-11.thesis.pdf) - [Thesis: EFFICIENCY IN THE COLUMBIA DATABASE QUERY OPTIMIZER](https://15721.courses.cs.cmu.edu/spring2023/papers/17-optimizer2/xu-columbia-thesis1998.pdf) - [The Cascades Framework for Query Optimization](https://15721.courses.cs.cmu.edu/spring2016/papers/graefe-ieee1995.pdf) - [MonetDB/X100: Hyper-Pipelining Query Execution](https://www.cidrdb.org/cidr2005/papers/P19.pdf) - [Umbra: A Disk-Based System with In-Memory Performance](https://db.in.tum.de/~freitag/papers/p29-neumann-cidr20.pdf)