@inproceedings{ten_Cate_2006,
    doi = {10.1145/1142351.1142398},
    url = {https://doi.org/10.1145%2F1142351.1142398},
    year = {2006},
    month = {jun},
    publisher = {{ACM}},
    author = {Balder ten Cate},
    title = {The expressivity of {XPath} with transitive closure},
    booktitle = {Proceedings of the twenty-fifth {ACM} {SIGMOD}-{SIGACT}-{SIGART} symposium on Principles of database systems}
}

@inproceedings{ten_Cate_2006, doi = {10.1145/1142351.1142398}, url = {https://doi.org/10.1145%2F1142351.1142398}, year = {2006}, month = {jun}, publisher = {{ACM}}, author = {Balder ten Cate}, title = {The expressivity of {XPath} with transitive closure}, booktitle = {Proceedings of the twenty-fifth {ACM} {SIGMOD}-{SIGACT}-{SIGART} symposium on Principles of database systems} }