-LSB-...] common scheme is to set up a number of sites designed to sell a «how to» ebook. (lulu.com)
It comes to life when people immersed in a certain field or vocation, whether it be genetic research or hip - hop music, agree on common schemes for representing information they care about. (scientificamerican.com)
A number following a slash is a more recent but less common scheme designed to represent the ratio of carbon to oxygen on a scale of 1 to 10, where a 0 would be an MS star. (en.wikipedia.org)