
87Tassonomy and Review of Big Data Solutions Navigation
Set Computer) architecture with efcient indexing and query processing.
The design of RDF-3X solution completely eliminates the process of tun-
ing indices thanks to an exhaustive index of all permutations of subject–
predicate–object triples and their projections unary and binary, resulting in
highly compressed indices and in a query processor that can provide data
results with excellent performance. The query optimizer can choose the
optimal join orders also for complex queries and a cost model that includes
statistical synopses for entire join paths. RDF-3 ...