JCOM_V2_N1_A1 Addala Radha Krishna K. Chandra Sekharaiah Journal on Computer Science 2347–6141 2 1 1 5 Web Information Systems (WIS), WWW (World-Wide Web), Digital Learning, Imprints, Online Purchase, Information System (IS) A Web Information System (WIS) that spans across more than one industrial sector not only can offer a greater wealth of information, but also can allow incorporation of more innovative features. For instance, a WIS may offer a wide range of services to scholars by assisting them with details concerning books and their publishers. Central to this is the need for web aggregation capability to be incorporated in such a WIS. This would rely on the use of sound web data extraction tool as the basic underlying technology. In this paper, the authors present the various publication web portals on a comparison perspective. March - May 2014 Copyright © 2014 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=2844