LLRX> Deep Web Research and Discovery Resources 2015
http://www.llrx.com/features/deepweb2015.htm

Web search expert Marcus P. Zillman delves into the The Deep Web, comprising somewhere in the vicinity of trillions upon trillions of pages of information posted in various files and formats not surfaced by using the two or three major search engines. The rapidly expanding areas of business and competitive intelligence, data mining, and the significance of metadata in national and international surveillance make this guide especially significant for researchers. Published via LLRX.com on December 31, 2014.