For documentation of the LinqIndex project please check:
http://netmatze.wordpress.com/2012/07/01/linq-index-part1-introduction/
http://netmatze.wordpress.com/2012/08/02/linq-index-part2-using-linqindex/
http://netmatze.wordpress.com/2012/09/13/linq-index-part3-speeding-up-a-linq-query/