A description of BibTeX is available online or look into your LaTeX book.
The keys starting with DBLP: are the internal keys of the DBLP bibliography. They are composed like an UNIX file path: Proceedings are located in the conf directory, articles are located in the journals directory etc.
Copyright © Fri Mar 12 17:04:54 2010 by Michael Ley (ley@uni-trier.de)