Co-evolution of RDF Datasets

TitleCo-evolution of RDF Datasets
Publication TypeJournal Article
Year of Publication2016
AuthorsSidra Faisal, Kemele Endris, Saeedeh Shekarpour, Sören Auer
JournalComputing Research Repository (CoRR)
Date Published03/2016
KeywordsConflict Identification, Conflict Resolution, Dataset Co-evolution, Dataset Synchronization, RDF Dataset

Linking Data initiatives have fostered the publication of large number of RDF datasets in the Linked Open Data (LOD) cloud, as well as the development of query processing infrastructures to access these data in a federated fashion. However, different experimental studies have shown that availability of LOD datasets cannot be always ensured, being RDF data replication required for envisioning reliable federated query frameworks. Albeit enhancing data availability, RDF data replication requires synchronization and conflict resolution when replicas and source datasets are allowed to change data over time, i.e., co-evolution management needs to be provided to ensure consistency. In this paper, we tackle the problem of RDF data co-evolution and devise an approach for conflict resolution during co-evolution of RDF datasets. Our proposed approach is property-oriented and allows for exploiting semantics about RDF properties during co-evolution management. The quality of our approach is empirically evaluated in different scenarios on the DBpedia-live dataset. Experimental results suggest that proposed proposed techniques have a positive impact on the quality of data in source datasets and replicas.

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