We present a web-based diary study on location-based search behavior using a mobile search engine. To capture users' location-based search behavior in a ubiquitous setting, we use a web-based diary tool that collects users' detailed mobile search activity, their location and diary entries. This method enables us to capture users' explicit behavior (query made), their implicit intention (motivat...

Black and Scholes (1973) implied volatilities tend to be systematically related to the option’s exercise price and time to expiration. Derman and Kani (1994), Dupire (1994), and Rubinstein (1994) attribute this behavior to the fact that the Black/Scholes constant volatility assumption is violated in practice. These authors hypothesize that the volatility of the underlying asset’s return is a de...

Location discourse involves the active or passive sharing of location information between individuals. Related applications include mobile friend locators, and location-dependent messaging. Privacy issues pertaining to location disclosure have been considered in research and relevant design guidelines are emerging, however what location information a user actually “needs to know” has received l...

Among the incredible amount of applications brought on the wave by the diffusion of the Internet, the possibility of an Electronic Commercialization of Learning assumes a relevant role. Thousands of people potentially acting as Learning Material Sellers, Buyers and Brokers are present on the Net asking for and efficient and effective infrastructure allowing them to play their role in this new m...

This paper presents initial findings regarding the acceptance of location-aware mobile applications through the theoretical lenses of protection motivation theory (PMT) and the technology acceptance model (TAM). The adoption of smart-phone technology and the prevalence of location-based services have provided organizations with unique channels to reach customers. However, few studies have speci...

decisions in healthcare should be based on information obtained according to the principles of evidence-based medicine (ebm). an increasing number of systematic reviews are published which summarize the results of prevalence studies. interpretation of the results of these reviews should be accompanied by an appraisal of the methodological quality of the included data and studies. the critical a...

In this paper, we present our case-based browsing advisor for the Web, called BROADWAY. BROADWAY follows a group of users during their navigations and supports an indirect collaboration to recommend Web pages to visit next. BROADWAY uses case-based reasoning to reuse precise experiences extracted from past navigations with a time-extended situation assessment, i.e. the recommendations are based...

This paper explores the booms and busts induced by news shocks in a model economy with financial market frictions. Firms can accumulate capital through either purchase of the existing capital or producing new capital by themselves. Firms need to borrow from financial intermediaries to finance their purchases of capital. With the presence of financial market frictions, firms have to pay an exter...

OBJECTIVES Healthcare institutions need timely patient information from various sources at the point-of-care. Evidence-based medicine (EBM) is a tool for proper and efficient incorporation of the results of research in decision-making. Characteristics of medical treatment processes and practical experience concerning the effect of EBM in the clinical process are surveyed. METHODS A cross sect...