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Angles, R. and Bonifati, A. and Dumbrava, S. and Fletcher, G. and Green, A. and Hidders, Jan and Li, B. and Libkin, L. and Marsault, V. and Martens, W. and Murlak, F. and Plantikow, S. and Savkovic, O. and Schmidt, M. and Sequeda, J. and Staworko, S. and Tomaszuk, D. and Voigt, H. and Vrgoc, D. and Wu, M. and Zivkovic, D. (2023) PG-Schema: schemas for property graphs. Proceedings of the ACM on Management of Data 1 (2), 198:1-198:25. ISSN 2836-6573.

Barcelo, P. and Libkin, L. and Lin, A.W. and Wood, Peter T. (2012) Expressive languages for path queries over graph-structured data. ACM Transactions on Database Systems 37 (4), ISSN 0362-5915.

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Angles, R. and Bonifati, A. and Dumbrava, S. and Fletcher, G. and Hare, K.W. and Hidders, Jan and Lee, V.E. and Li, B. and Libkin, L. and Martens, W. and Murlak, F. and Perryman, J. and Savkovic, O. and Schmidt, M. and Sequeda, J.F. and Staworko, S. and Tomaszuk, D. (2021) PG-Keys: keys for property graphs. In: UNSPECIFIED (ed.) SIGMOD '21: Proceedings of the 2021 International Conference on Management of Data. ACM, pp. 2423-2436. ISBN 9781450383431.

Barcelo, P. and Hurtado, C.A. and Libkin, L. and Wood, Peter T. (2010) Expressive languages for path queries over graph-structured data. In: UNSPECIFIED (ed.) Proceedings of the Twenty-Ninth ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems of Data. New York, USA: ACM Publications, pp. 3-14. ISBN 9781450300339.

Levene, Mark and Loizou, G. (1995) The additivity problem for data dependencies in incomplete relational databases. In: Libkin, L. and Thalheim, B. (eds.) Semantics in Databases: Selected Papers from a Workshop. Lecture Notes in Computer Science 1358. Springer, pp. 136-169. ISBN 9783540641995.