Abstract
Temporal property graph databases track the evolution over time of nodes, properties, and edges in graphs. Computing temporal paths in these graphs is hard. In this paper we focus on indexing Continuous Paths, defined as paths that exist continuously during a certain time interval. We propose an index structure called TGIndex where index nodes are defined as nodes in the graph database. Two different indexing strategies are studied. We show how the index is used for querying and also present different search strategies, that are compared and analyzed using a large synthetic graph.
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Acknowledgements
Valeria Soliani and Alejandro Vaisman were partially supported by Project PICT 2017-1054, from the Argentinian Scientific Agency.
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Kuijpers, B., Ribas, I., Soliani, V., Vaisman, A. (2022). Indexing Continuous Paths in Temporal Graphs. In: Chiusano, S., et al. New Trends in Database and Information Systems. ADBIS 2022. Communications in Computer and Information Science, vol 1652. Springer, Cham. https://doi.org/10.1007/978-3-031-15743-1_22
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DOI: https://doi.org/10.1007/978-3-031-15743-1_22
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