ecpfs stores one representation of each vector per index. This project adds the ability to store more than one, full vectors, PCA-reduced vectors, or both, and lets you choose which representation gets used at which point in the search: for routing, for final ranking, or both. Once that capability exists, the real question is what combinations are actually worth it: when does keeping a second …
Supervisor: Omar Shahbaz Khan
Semester: Spring 2027
Tags: ann-index, vector store, pca, data management