Caching is a well-known strategy for improving the performance of Web-based systems. The heart of a caching system is its page replacement policy, which selects the pages to be replaced in a cache when a request arrives. In this paper, we present a Web-log mining method for caching Web objects and use this algorithm to enhance the performance of Web caching systems. In our approach, we develop ...

The purpose of this paper is to review research in the health effects and risks associated with exposure to asbestos and then to use this scientific evidence to analyze the implications of Canada's current policy on the use, manufacturing and export of asbestos. The review begins with a brief historical introduction to asbestos, and then moves on to look at the risks associated with asbestos ex...

How to formulate models that work well in explanation, prediction and policy-making is a central problem in all fields of science. In this presentation, I shall explain the strategy, our Structural Econometric Modeling, Times Series Analysis (SEMTSA) approach that my colleagues and I have employed in our efforts to produce a macroeconomic model that works well in point and turning point forecas...

Introduction This special issue of Technological Forecasting and Social Change addresses the topic of “tech mining.” Tech mining strives to inform science, technology and innovation (“ST&I”) management by applying text mining to exploit searches of electronic science and technology databases [1]. It is richly informed by work in fields such as information retrieval, scientometrics and content a...

Recent government-led efforts and industry-sponsored privacy initiatives in the healthcare sector have received heightened publicity. The current set of privacy legislation mandates that all parties involved in the delivery of care specify and publish privacy policies regarding the use and disclosure of personal health information. The authors’ study of actual healthcare privacy policies indica...

This paper aims at creating a model of an ICT educational policy. The geographic scope of the study includes countries of sub-Saharan Africa. First, the components of an ICT educational policy have been identified. Second, country-related parameters have been identified based on available sources of the statistical information. Third, the links between the components of ICT educational policy a...

The in-depth mining of policy text Government Procurement Public Services (GPPS) is helpful to distinguish stage characteristics and evolution logic the policy. Through text-mining technology, current research analyzes GPPS from 1995 2021 in China. Firstly, divided into three stages according key nodes. Secondly, TF-IDF algorithm adopted obtain keywords at each stage, static are summarized by c...

Abstract The metal-mining boom Latin America experienced in recent decades precipitated highly contentious anti-mining social movements Central America. In this context, El Salvador became the first country world to ban all metal mining by law. contrast, policy nearby Guatemala, Honduras and Nicaragua remained pro-mining. These cases are compared using a most similar systems design. Comparison ...