Recent reviews of the information technology outsourcing (ITO) literature report high variance in research results when Transaction Cost Economics (TCE) is used as the analytical framework. Informed by ITO market developments, including increasing commoditisation, market consolidation, and market transparency, we develop an explanation for these mixed results contingent on ITO industry maturity...

The capabilities of network technologies have facilitated the growth of electronic commerce. Major issues—notably, security and product quality uncertainty—still pose serious challenges to the further adoption of electronic commerce. Traditional market transactions have a long history and well-understood protections for buyers and sellers. In the electronic markets, formal and informal mechanis...

In this paper, we introduce SwarMED, a decentralized yet high throughput interoperability system for big biomedical data. SwarMED uses Etehreum blockchain trustless security and Swarm p2p storage to handle transaction of developed an indexing mechanism over the immutable achieve high-throughput while sharing millions patient records images among multiple parties. achieved 250K medical per secon...

I N F O R M A T I O N S Y S T E M S S E C U R I T Y RALPH SPENCER POORE, CISSP, CISA, CFE, is the Chief Technology Officer of Privacy Infrastructure, Inc. and a long-time contributor to the Journal. Please feel free to provide feedback to him at [email protected]. When farmer Jones walked into the general store in town, the storeowner — or one of his employees — would greet him personall...

Modern economic theory developed under the assumption that only two basic facts are needed concerning human preferences. The first is that agents have consistent preferences that permit modeling choice as the result of the maximization of a preference function subject to appropriate material and informational constraints. The second is that economic agents are self-interested in the sense that ...

The usage of online payment systems is increasing multifold these days due to their transaction reliability and ease completion in real-time. most preferred service UPI service, which majorly available Metropolitan cities, some semi-urban rural areas have a proper communication infrastructure. However, there major issue expand services areas, lack Even after the internet revolution, it ensured ...

In this paper, we discuss practical limitations of the standard choice-based demand models used in literature to estimate from sales transaction data. We present modifications and extensions data preprocessing solution techniques which are useful for practitioners dealing with Among these, an algorithm split observed under partial availability, extend a popular Expectation Maximization (EM) non...

All enterprises, regardless of industry, are exposed to fraud risk. In the retail perpetrators manipulate sales price products instead quantity sold avoid inventory discrepancies. Fraud examiners attempt identify anomalous transactions using data analysis. This study analyzes causes fraudulent behavior, conceptualized based on aspect rational choice, and proposes an transaction detection model ...

test method facet is one of the factors which can have an influence on the test takers’ performance. the purpose of the current study was to investigate the effects of two different response types, multiple-choice cloze and multiple-choice test, on the pre-intermediate and intermediate test takers’ reading comprehension performance. to this end, 40 pre-intermediate and intermediate learners par...