@article{Figueira:2018:SXD:3212019.3212021,
    Address = {New York, NY, USA},
    Author = {Figueira, Diego},
    File = {p4-figueira (0) - a - a - z.pdf},
    ISSN = {2372-3491},
    Journal = {ACM SIGLOG News},
    Month = {April},
    Number = {2},
    Pages = {4--16},
    Publisher = {ACM},
    Title = {Satisfiability of Xpath on Data Trees},
    URL = {http://doi.acm.org/10.1145/3212019.3212021},
    Volume = {5},
    Year = {2018},
    acmid = {3212021},
    bdsk-url-1 = {http://doi.acm.org/10.1145/3212019.3212021},
    bdsk-url-2 = {https://doi.org/10.1145/3212019.3212021},
    date-added = {2018-05-24 10:09:46 +0000},
    date-modified = {2018-05-24 10:09:46 +0000},
    issue_date = {April 2018},
    numpages = {13},
    doi = {10.1145/3212019.3212021}
}

@article{Figueira:2018:SXD:3212019.3212021, Address = {New York, NY, USA}, Author = {Figueira, Diego}, File = {p4-figueira (0) - a - a - z.pdf}, ISSN = {2372-3491}, Journal = {ACM SIGLOG News}, Month = {April}, Number = {2}, Pages = {4--16}, Publisher = {ACM}, Title = {Satisfiability of Xpath on Data Trees}, URL = {http://doi.acm.org/10.1145/3212019.3212021}, Volume = {5}, Year = {2018}, acmid = {3212021}, bdsk-url-1 = {http://doi.acm.org/10.1145/3212019.3212021}, bdsk-url-2 = {https://doi.org/10.1145/3212019.3212021}, date-added = {2018-05-24 10:09:46 +0000}, date-modified = {2018-05-24 10:09:46 +0000}, issue_date = {April 2018}, numpages = {13}, doi = {10.1145/3212019.3212021} }