attitude is dangerous: crypto provides the foundation for any real attempt at security or privacy. Without it, we couldn’t build truly secure solutions for the challenges of information confidentiality and integrity or individual user authentication and authorization; we also wouldn’t be able to deal with more complicated concepts such as signing digital documents or enabling nonrepudiation for...

introduction: risk is an essential component in the production and sale of agricultural products. due to the nature of agricultural products, the people who act in this area including farmers and businesspersons encounter unpredictable fluctuations of prices. on the other hand, the firms that process agricultural products also face fluctuation of price of agricultural inputs. given that the can...

As chromatography technologies change, our approaches to using them in ways that value reliability, as well the we should approach troubleshooting and fixing problems, also change. In this installment, survey several protective strategies, discuss which have changed over time, ones not. Understanding how use of these has evolved is helpful both for designing reliability into new methods when co...

This paper uses a quasi-natural experiment to identify the impact of interest rates on mortgage default. Using loan-level panel data for Ireland, we deal with selection bias by exploiting variation between two adjustable-rate mortgages offered in 2000s. We link default directly through borrower installments. find strong, statistically significant, default; 1% increase installment is associated ...

This article describes the design, implementation, and results of the latest installment of the dermoscopic image analysis benchmark challenge. The goal is to support research and development of algorithms for automated diagnosis of melanoma, the most lethal skin cancer. The challenge was divided into 3 tasks: lesion segmentation, feature detection, and disease classification. Participation inv...

Botanical medicines have been used traditionally by herbalists and indigenous healers worldwide for the prevention and treatment of liver disease. Clinical research in this century has confirmed the efficacy of several plants in the treatment of liver disease, while basic scientific research has uncovered the mechanisms by which some plants provide their therapeutic effects. This article is Par...

Conebeam x-ray CT (CBCT) is a developing imaging technique designed to provide relatively low-dose high-spatial-resolution visualization of high-contrast structures in the head and neck and other anatomic areas. This first installment in a 2-part review will address the physical principles underlying CBCT imaging as it is used in dedicated head and neck scanners. Concepts related to CBCT acquis...

Fifty percent of the titles I've addressed since embarking on writing this article series are a result of my having received 5 or more concerned phone calls relating to a given subject. This installment: The latest or updated generation of Computerized Maintenance Management Systems selling techniques to be encountered at the National Manufacturing Week Conference in Chicago: 1) Are you going t...

Enterprise Identity Management (IDM) systems promise users to be equipped with a single enterprise identity and administrators with better users management environment. That increases security, provides the organizations with value-added data and money saving in user management. In fact, in order to do collaboration among independent organizations, each participant must first have a working IDM...

This paper investigates the relationship between option trading behavior and pricing patterns. We argue that greater active in options market due to investor overconfidence leads higher volatility larger discrepancies pricing, which may be captured by implied spread skewness. Using two different measures of excess trading, we find activities are correlated ways with volatility, spread, also the...