@inproceedings{Consens_1990,
    doi = {10.1145/298514.298591},
    url = {https://doi.org/10.1145%2F298514.298591},
    year = {1990},
    publisher = {{ACM} Press},
    author = {Mariano P. Consens and Alberto O. Mendelzon},
    title = {{GraphLog}},
    booktitle = {Proceedings of the ninth {ACM} {SIGACT}-{SIGMOD}-{SIGART} symposium on Principles of database systems  - {PODS} {\textquotesingle}90}
}

@inproceedings{Consens_1990, doi = {10.1145/298514.298591}, url = {https://doi.org/10.1145%2F298514.298591}, year = {1990}, publisher = {{ACM} Press}, author = {Mariano P. Consens and Alberto O. Mendelzon}, title = {{GraphLog}}, booktitle = {Proceedings of the ninth {ACM} {SIGACT}-{SIGMOD}-{SIGART} symposium on Principles of database systems - {PODS} {\textquotesingle}90} }