2009
SparqlTree - oort - Automatic treeification of SPARQL query results. - Google Code
The SPARQL Tree tools digest SPARQL results for your convenience.
A "SPARQL tree" is a processed SPARQL query result which combines bound variables into trees of data. It processes regular results from queries using variables named according to a specific convention (designating "tree structure").
There is also (alpha) support for a custom mixed "SPARQL-in-XML" query format (mentioned furher down).
2008
Easy RDF and SPARQL for LAMP systems - ARC RDF Classes for PHP
2007
2006

