binary trees, red-black trees, in-memory-BTree, FileBacked BTree, in-memory Async BTree
One meaningless README file
SPARQL 1.1 parser #WIP
Finished with terminals for SPARQL 1.1 query
SPARQL 1.1 parser Initial work in expressions #WIP
tests for insert, search, walk and delete in async BTrees
async disk manager
almost complete support for SPARQL select expressions in the parser
some more rules for the SPARQL 1.1 parser #WIP
File async backed b-tree
working parser for SPARQL 1.1 #WIP
working parser with support for basic SELECT with group graph patterns: OPT, AND, UNION, FILTER
Fixes in parser after testing with examples in <http://www.w3.org/2001/sw/DataAccess/rq23/rq24-algebra.html>
Abstract Syntax Tree for SPAQL parser #WIP
Tests for the abstract query tree parser
more tests
parsing quads for update operations in SPARQL 1.1 parser
initial implementation of the quad index layer
range queries over a triple index
async range queries over quad index