Corporate portals have become an important component in company intranets. This work focuses on the challenges that arise due to constant evolution of such portals. A concept framework is presented to cope with these challenges. As part of this framework the implementation of a recommender...

Privacy is defined as the freedom from unauthorized intrusion. The availability of personal information through online databases, such as government records, medical records, and voters and #146; lists, pose a threat to personal privacy. The concern over individual privacy has led to the...

Due to the change in attitudes and lifestyles, people expect to find new partners and friends via various ways now-a-days. Online dating networks create a network for people to meet each other and allow making contact with different objectives of developing a personal, romantic or sexual...

Intelligent Product Recommendation Agents have been used for some time now by large, well known Internet businesses such as Amazon and Netflix. Unfortunately there is little research assessing the effectiveness of these systems in influencing online consumer behavior. Businesses that sell...

University of Minnesota Ph.D. dissertation. August 2011. Major: Business Administration. Advisor: Gediminas Adomavicius. 1 computer file (PDF); x, 128 pages,appendix p. 127-128.

It is well known that the Internet has significantly reduced consumers'search costs online. But relatively little is known about how searchcosts affect consumer demand structure in online markets. In this paper,we identify the impact of search costs on firm competition and marketstructure by...

I present a model to assess the impact of demand-side factors on theconcentration of sales within large product assortments. Consumers facea search problem within an assortment of horizontally differentiatedproducts supplied by a monopolist. They may search for a product matchby drawing products...

This dissertation comprises three essays that study online demand coming from local offline markets. In the first essay, I study two social influence effects reflected in physical proximity and in demographic similarity, respectively, on online demand evolution. As these effects can be...

The introduction of the European Markets in Financial Instruments Directive (MiFID) ended the quasi-monopoly of national exchanges in equity trading across Europe and enabled alternative platforms, so-called multilateral trading facilities (MTF), to compete for order flow. This thesis analyzes...

Newswire messages make up a major part of the public information set available to investors. The last decades have seen drastic changes in trading technology and the way that financial markets operate. As trading technology advances, news providers have kept pace and deliver news to market...