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Showing 1 to 4 of 4 for “"Federated Query"”.
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Federated Query Processing for the Semantic Web
… endpoints available, the need to be able to send federated SPARQL queries across them has also grown. Tools for accessing sets of RDF data repositories are starting to appear, differing between them on the way in which they allow users to access these data (allowing users to specify directly what …
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MINCE: Dialect-Aware SQL Decomposition for Federated Query Execution
… that decomposes SQL queries into parts to enable federated execution across engines with differing SQL dialects. MINCE uses a rule-based method to partition a query into executable components that are assigned to different database systems. To evaluate different execution strategies, MINCE further …
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New capabilities for large-scale exploratory data analysis
… Existing systems do not effectively support querying capabilities across these formats: (i) Browsing: When exploring a single dataset, data scientists often need to examine a collection of records that satisfy arbitrary predicates. However, current exploratory data analysis tools mainly focus …
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Identifying, Relating, Consisting and Querying Large Heterogeneous RDF Sources
… in this thesis, which are: How to Identify and query datasets from a huge heterogeneous collection of RDF (Resource Description Framework) datasets. To address this issue, we need to assure the consistency and to know how the datasets are related and how similar they are. As results, to deal …