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    Welcome to LDBC | Linked Data Benchmark Council

    Welcome to LDBC

    In the last years we have seen an explosion of massive amounts of graph shaped data coming from a variery of applications that are related to social networks like facebook, twitter, blogs and other on-line media and telecommunication networks. Furthermore, the W3C linking open data initiative has boosted the publication and interlinkage of a large number of datasets on the semantic web resulting to the Linked Data Cloud. These datasets with billions of RDF triples such as Wikipedia, U.S. Census bureau, CIA World Factbook, DBPedia, and government sites have been created and published online. Moreover, numerous datasets and vocabularies from e-science are published nowadays as RDF graphs most notably in life and earth sciences, astronomy in order to facilitate community annota- tion and interlinkage of both scientific and scholarly data of interest.

    Technology and bandwidth now provide the opportunities for compiling, publishing and sharing massive Linked Data datasets. A significant number of commercial semantic repositories (RDF databases with reasoner and query-engine) which are the cornerstone of the Semantic Web exist.

    Neverthless at the present time,

    • there is no comprehensive suite of benchmarks that encourage the advancement of technology by providing both academia and industry with clear targets for performance and functionality and
    • no independent authority for developing benchmarks and verifying the results of those engines. The same holds for the emerging field of noSQL graph databases, which share with RDF a graph data model and pattern- and pathoriented query languages.

    The Linked Data Benchmark Council (LDBC) project aims to provide a solution to this problem by making insightful the critical properties of graph and RDF data management technology, and stimulating progress through compettion. This is timely and urgent since non-relational data management is emerging as a critical need for the new data economy based on large, distributed, heterogeneous, and complexly structured data sets. This new data management paradigm also provides an opportunity for research results to impact young innovative companies working on RDF and graph data management to start playing a significant role in this new data economy.