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Communication Dans Un Congrès Année : 2023

Exploring heterogeneous data graphs through their entity paths

Nelly Barret
Antoine Gauquier
Jia-Jean Law
  • Fonction : Auteur
  • PersonId : 1256025
Ioana Manolescu

Résumé

Graphs, and notably RDF graphs, are a prominent way of sharing data. As data usage democratizes, users need help figuring out the useful content of a graph dataset. In particular, journalists with whom we collaborate are interested in identifying, in a graph, the connections between entities, e.g., people, organizations, emails, etc. We present a novel, interactive method for exploring data graphs through their data paths connecting Named Entities (NEs, in short); each data path leads to a tabular-looking set of results. NEs are extracted from the data through dedicated Information Extraction modules. Our method builds upon the pre-existing ConnectionLens platform and follow-up work on dataset abstraction. The contribution of the present work is in the interactive and efficient approach to enumerate and compute NE paths, based on an algorithm which automatically recommends subpaths to materialize, and rewrites the path queries using these subpaths. Our experiments demonstrate the interest of NE paths and the efficiency of our method for computing them.
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Dates et versions

hal-04131977 , version 1 (21-06-2023)

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  • HAL Id : hal-04131977 , version 1

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Nelly Barret, Antoine Gauquier, Jia-Jean Law, Ioana Manolescu. Exploring heterogeneous data graphs through their entity paths. ADBIS 2023 - 27th European Conference on Advances in Databases and Information Systems, Sep 2023, Barcelona, Spain. ⟨hal-04131977⟩
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