Poster @TheWebConf 2018

1. OSTRICH
Ruben.Taelman@UGent.be
@rubensworks
Versioned Random-Access Triple Store
Storage strategy
+ Metadata
Compressed delta chain
Query capabilities
Which books were present at time X?
What was added/removed between X and Y?
At what times was book A present?
Query at versions
Query between versions
Query for versions
n-1n-2n-3... n
n-1n-2n-3... n
n-1n-2n-3... n
Store and query multiple RDF dataset versions in a single store
Bonus features
Cardinality estimation Supporting query plan optimization within query engines.
Result streams Memory efficient processing of results.
Efficient stream offsets Selecting subsets of results, like Triple Pattern Fragments paging