On Preservation under Homomorphisms and Unions of Conjunctive Queries

Authors

• 1. Albert Atserias (Polytechnic University of Catalonia)
• 2. Anuj Dawar (University of Cambridge)
• 3. Phokion G. Kolaitis (University of California Santa Cruz)

@inproceedings{atserias_pods04,
        address = {New York, NY, USA},
        series = {{PODS} '04},
        title = {{On Preservation under Homomorphisms and Unions of Conjunctive Queries}},
        url = {https://dl.acm.org/doi/10.1145/1055558.1055602},
        doi = {10.1145/1055558.1055602},
        booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
        publisher = {Association for Computing Machinery},
        author = {Atserias, Albert and Dawar, Anuj and Kolaitis, Phokion G.},
        year = {2004}
}

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