The service trade develops quickly in China and the scale of which is increased. The main body of China’s service trade is transportation and travel. Meanwhile, the deficit in China's balance of service trade is widened and China’ service trade lags behind the China’s goods trade and the service trade in some country. It’s important to assess the dynamic change of the comparative advantage of C...

This article pursues two tasks. The first is to clarify the value and productivity of Williams’s Keywords: a vocabulary culture society (first edition 1976, second expanded 1983a) for project Cultural Studies. clarification helped, I argue, by reading it alongside Vološinov’s Marxism philosophy language (published in Russian 1929, translated into English 1973). related task speculative developm...

This brief report aims to establish the keyword content of studies on occupational health and safety—the key framework world work in trade domain. Data were collected from SCOPUS database, focusing articles safety related keywords, with an emphasis abstracts titles. analyzed summarized based keywords included MeSH database. There 24,499 manuscripts domain 1,346 (5.40%) health-related including ...

We study the development of conjunctive keyword searchable scheme which enables one to search encrypted documents by using more than one keyword. The notion of conjunctive keyword searching was presented by Golle et al. in 2004. However, their security model was constructed in a symmetric-key setting which is not applicable for the overall applications in the reality. So Park et al. extended Go...

In this paper we present several proofs on the extension of M. Riesz fractional integration and di¤erentiation to the contexts of spaces of homogeneous type and measure metric spaces with non-doubling measures. 1. Introduction, some de…nitions, and a basic lemma Professor M. Ash asked me to write a survey article on some of the results that Stephen Vági and I obtained in the nineties on fractio...

proper opportunity of the city of genoa, its cooperation during the crusades, and the evolution in the terms of trade organization and practices at the same time that mongol empire was establishing, formed a new round of intercontinental trade . the importance of commerce for the mongol continued as a tradition in ilkhanids. genoese commercial presence in eastern ports and the black sea and als...

As the number of systems which offer annotations on digital documents increases, robust anchoring of annotations is a key challenge. It is especially important if the annotator lacks write-access to the document being annotated. For example, if someone makes an annotation on a web page today and the web page changes tomorrow, what happens to the annotation? One approach is simply to “orphan” th...