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A Demonstration of FlexPref: Extensible Preference Evaluation Inside the DBMS Engine

Summary: Extensible in-DBMS framework FlexPref unifies skyline, top-k, k-dominance, and k-frequency in a single code base. Three simple registration functions enable integration; once inside, it runs core preference queries with standard operators, demonstrated in PostgreSQL. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
4422
Venue
SIGMOD
Year
2010
Pagerank
5.093636e-05
Overall Rank
12,443 | 14.63%
DOI
10.1145/1807167.1807331

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Authors

BibTeX Citation

@inproceedings{levandoski_sigmod10,
        title = {{A Demonstration of FlexPref: Extensible Preference Evaluation Inside the DBMS Engine}},
        author = {Levandoski, Justin J. and Mokbel, Mohamed F. and Khalefa, Mohamed E. and Korukanti, Venkateshwar R.},
        series = {{SIGMOD} '10},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/1807167.1807331},
        url = {https://dl.acm.org/doi/10.1145/1807167.1807331},
        year = {2010}
}

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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
635 Evaluating Top-k Selection Queries 1999 VLDB 0.00015527042
792 Finding k-Dominant Skylines in High Dimensional Space 2006 SIGMOD 0.00013979615
2,827 Efficient Processing of Top-k Dominating Queries on Multi-Dimensional Data 2007 VLDB 8.0831263e-05
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