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ACM Transactions on Internet Technology (TOIT), Volume 3 Issue 3, August 2003

Developing a bidding agent for multiple heterogeneous auctions
Patricia Anthony, Nicholas R. Jennings
Pages: 185-217
DOI: 10.1145/857166.857167
Due to the proliferation of online auctions, there is an increasing need to monitor and bid in multiple auctions in order to procure the best deal for the desired good. To this end, this paper reports on the development of a heuristic decision making...

SouthamptonTAC: An adaptive autonomous trading agent
Minghua He, Nicholas R. Jennings
Pages: 218-235
DOI: 10.1145/857166.857168
Software agents are increasingly being used to represent humans in on-line auctions. Such agents have the advantages of being able to systematically monitor a wide variety of auctions and then make rapid decisions about what bids to place in what...

Location management for mobile commerce applications in wireless Internet environment
Upkar Varshney
Pages: 236-255
DOI: 10.1145/857166.857169
With recent advances in devices, middleware, applications and networking infrastructure, the wireless Internet is becoming a reality. We believe that some of the major drivers of the wireless Internet will be emerging mobile applications such as...

Estimating frequency of change
Junghoo Cho, Hector Garcia-Molina
Pages: 256-290
DOI: 10.1145/857166.857170
Many online data sources are updated autonomously and independently. In this article, we make the case for estimating the change frequency of data to improve Web crawlers, Web caches and to help data mining. We first identify various scenarios, where...