MultiCategory: Multi-model Query Processing Meets Category Theory and Functional Programming
Summary: Presents MultiCategory, a system for multi-model query processing via category theory and functional programming. Loads relational, XML, key-value, and graph data into schema and instance categories, processes queries in Haskell, and visualizes the category-theoretic workflow. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Valter Uotila (University of Helsinki)
- 2. Jiaheng Lu (University of Helsinki)
- 3. Dieter Gawlick (Oracle)
- 4. Zhen Hua Liu (Oracle)
- 5. Souripriya Das (Oracle)
- 6. Gregory Pogossiants (SATS Technologies)
BibTeX Citation
@article{uotila_vldb21,
title = {{MultiCategory: Multi-model Query Processing Meets Category Theory and Functional Programming}},
author = {Uotila, Valter and Lu, Jiaheng and Gawlick, Dieter and Liu, Zhen Hua and Das, Souripriya and Pogossiants, Gregory},
journal = {PVLDB},
series = {{VLDB} '21},
volume = {14},
number = {12},
pages = {2663--2666},
doi = {10.14778/3476311.3476314},
url = {https://doi.org/10.14778/3476311.3476314},
year = {2021}
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