Keyword-based linked data information retrieval is an easy choice for general-purpose users, but the implementation of such an approach is a challenge because mere keywords do not hold semantic information. Some studies have incorporated templates in an effort to bridge this gap, but most such approaches have proven ineffective because of inefficient template management. Because linked data can...

Keywords consumption product durability product lifetime transaction costs used goods waste Summary The potential for secondhand markets to reduce demand for new goods is investigated. Using a variant of an economic model originally developed by Anderson and Ginsburgh, the physical implications for material use are explored. The secondhand market grows if transaction costs decrease or if produc...

This review presents a comparison of the potential of offering agricultural market information services that incorporate information and communications technology (ICT) in Ghana and Malawi. A comprehensive analysis was done involving data on economic indicators related to telecommunications services provided by the statistics division of the United Nations, and the current initiatives on agricu...

As the title suggests, this paper compares two “formula” or mechanical investment techniques, dollar cost averaging and a relatively new proposal, value averaging, to a form of random investing to determine if any technique yields superior investment performance. Results indicate that value averaging does provide superior expected investment returns when investment prices are quite volatile and...

The mobile online medium (i.e. mobile data communication) allows the creation of context-sensitive profiles for mobile consumers by using identityand context information and thereby enabling the efficient targeting of current consumers' needs. However, current implementations of Mobile Marketing activities do not make use of these beneficial unique features and apply, for instance, content-base...

We separate the “rentier” portion of the budget constraint of the representative agent from the “income-plus-distributed profits” segment. The former’s wealth consists exclusively of returns on government bonds, the latter’s wealth is wage income from working for firms plus the distributed profits of the latter. The non-neoclassical element is the non-imposition of the market-clearing assumptio...

Introduction . Keywords, reflecting the main content of article, play an extremely important role in search for scientific papers databases. Together with title and abstract, keywords provide primary information about study. Selecting extracting effective is a time-consuming process, so its optimization requires further studying. Purpose. The article aimed at acquainting authors journal methods...

Acta Academica is an accredited, open access South African journal dedicated to scholarship in the humanities. The publishes independently refereed research articles It promotes perspectives of critical social theory and engagements with postcolonial post-developmental debates special references (Southern) Africa. thereby support scholarly work that examines how humanities twenty-first century ...