The difficulties in implementing classification algorithms as is, on high volume databases, derives from the increase in the number of records/instances in the database and of attributes/features in each instance (high dimensionality).

While hiking in the woods, I found an antler from a deer.

Linux, Mac OS X, AIX, Solaris, and DG/UX are examples of *nixes.

And at the present day, the wanton introduction of scientific terms from the Greek and Latin, and of phrases from the French, threatens to render our tongue still more piebald, heterogeneous and unwieldy.