Internet-based virtual futures markets (VFMs) have been used in predicting election results and movie ticket sales. We construct an Internet-based VFM to predict an underlying stock price. Results of Granger causality tests and tests of directional accuracy show that a VFM with only a small number of participants (75) is able to generate informative futures prices useful in the prediction of th...

Southwest Airlines is the indisputable leader of the Low-Cost Airline industry in the United States. A product of deregulation, the expansion of its unique business model has been responsible for the substantial real price declines in consumer airfares since the 1980s. However, recent fuel price declines have had a significant impact on the industry and their impact on the low-cost sector today...

Anaphora resolution is a central topic in dialogue and discourse that deals with finding the referent of a pronoun. It plays a critical role in conversational Intelligent Tutoring Systems (ITSs) as it can increase the accuracy of assessing students’ mental model based on their natural language inputs. Although the task of anaphora resolution is one of the most studied problems in Natural Langua...

Large body of recent work has been devoted to multi-agent systems utilized in e-commerce; in particular, autonomous software agents participating in auctions. In this context we modify a model agent-based e-commerce system so that it can serve as an airline ticket auctioning system. Such a system can be then combined with a Travel Support System that utilizes ontologically demarcated travelcont...

An idea of automatic generation of Web applications from templates has been proposed [1, 2, 3, 4]. A software system called T-Web system has been implemented based on the idea to automatically generate typical Web applications made of various technologies such as CGI [5], Java Servlet [6], JSP [6, 7], and ASP [8], without manual programming. This paper presents an extension of the above mention...

Spoken language dialogue systems technologies are beginning to master the design and implementation of applied systems for complex well-structured tasks. Partly for this reason, there is a need for evaluation metrics which include general concepts of task and dialogue types. The paper reports on the scenario-based user test of the dialogue management of an airline ticket reservation system. The...

These past few months have been busy for central bankers, to say the least, and the past few days are certainly no exception. While developments on Wall Street have garnered much attention, the cost of living has also been an issue for us all, whether we’re buying gas at the pumps, booking an airline ticket, or just picking up a loaf of bread at the grocery store. Of course, the cost of living ...

We investigate the role of limited access to airport facilities as a determinant of the hub premium in the U.S. airline industry. We use original data from competition plans that airports are required to submit to the U.S. Department of Transportation in compliance with the Aviation Investment and Reform Act for the Twenty-First Century. We collect information on the availability and control of...