Ausschreibungen

The BBC wishes to appoint a supplier to develop, build, test, install and support a Resource Description Framework (“RDF”) store. The RDF store will hold BBC asset metadata, domain metadata and will support semantically aggregated index pages and other semantically driven BBC products. BBC assets can and will include web pages, image galleries, short form video, programmes and other types of BBC creative content. The incumbent RDF store is a quad store; configured so that it can perform reasoning with the semantics of the entire BBC asset, sport and domain data in real time. The incumbent RDF store supports SPARQL Protocol and RDF Query Language (“SPARQL”) 1.0, geospatial queries, text indexing and search with enterprise grade scalability, performance and resilience. The BBC wishes to upgrade and replace the incumbent RDF store with an RDF store which supports SPARQL 1.1 query, update and graph store protocol, geospatial indexing, free text indexing, enterprise grade scalability, performance and resilience. The BBC may also require services related to the RDF store, including but not limited to, customisations and training. The new RDF store will need to continue to support BBC Sport and will be used for semantic BBC News, BBC Knowledge & Learning and in other BBC product domains. The BBC’s affiliates including BBC Worldwide Limited may make use of the sematic information held in the store in order to serve targeted adverts to an international audience. The RDF store is required to support many hundreds of updates per minute with many thousands of concurrent queries per second. The RDF store must be able to scale to many billions of triples and should provide a failsafe highly available cluster configuration. The RDF store must be fully ACID (‘Atomic, Consistent, Isolated, Durable’) transaction compliant. The RDF store must be able to support either Quad storage and named graphs or statement level provenance. The RDF store should support multi version concurrency control or a similar non-locking transaction processing architecture. The RDF store may support reasoning, such as sub-class or sub-property inference. The BBC are happy to consider both proprietary RDF stores and open source products. The BBC are happy to look at all licencing proposals including but not limited to any perpetual licences. The RDF store will be installed and hosted on the BBC’s web application development platform.

Triple Store.

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