نتایج جستجو برای: causality relation
تعداد نتایج: 341974 فیلتر نتایج به سال:
This paper uses the smooth transition regression (STR) model to study the nonlinear relation between the consumer price index (CPI) and the composite index of Shanghai Stock Market in China from 1999 to 2011. The results show that there exists one way Granger causality relation from CPI to stock market in China; the internal relation between the CPI and stock market’s composite index appears as...
On the web, information representing specific activities is often scattered over different systems. Although, causal relations exist between these activities, these are usually not obviously visible to the user, unless explicitly given. This paper outlines the difficulties which are caused by missing relations. The core contribution of this work will be a system which is capable of identifying ...
We propose a method that infers whether linear relations between two high-dimensional variables X and Y are due to a causal influence from X to Y or from Y to X. The earlier proposed so-called Trace Method is extended to the regime where the dimension of the observed variables exceeds the sample size. Based on previous work, we postulate conditions that characterize a causal relation between X ...
In this paper we show that the standard causality condition for attenuated waves, i.e. the Kramers-Kronig relation that relates the attenuation law and the phase speed of the wave, is necessary but not sufficient for causality of a wave. By causality of a wave we understand the property that its wave front speed is bounded. Although this condition is not new, the consequences for wave attenuati...
This paper introduces a linguisticallymotivated, rule-based annotation system for causal discourse relations in transcripts of spoken multilogs in German. The overall aim is an automatic means of determining the degree of justification provided by a speaker in the delivery of an argument in a multiparty discussion. The system comprises of two parts: A disambiguation module which differentiates ...
Discourse relations are links between utterances and sentences or sentence parts. These can be implicit or explicit through markers such as because, before, but, etc. Thus, the causal discourse relation between the two clauses that is explicit in 'He fell because he stumbled over a stone' can be inferred in the sentence 'He stumbled over a stone and fell'. Much research in this field focuses on...
Hawking's stable causality implies Sorkin and Woolgar's K-causality. The work investigates the possible equivalence between the two causality requirements , an issue which was first considered by H. Seifert and then raised again by R. Low after the introduction of K-causality. First, a new proof is given that a spacetime is stably causal iff the Seifert causal relation is a partial order. It is...
cosmo-theological argument is one of the theological arguments for [proving] the existence of god, which has been mooted since long ago and has recently been recognized in the theo-philosophical tradition of the west and become famous as theological argument. while examining the viewpoints related to the appearance of the world, particularly the big bang theory, this article undertakes to analy...
Innovation ability plays an important role in economic growth not only in under- developed countries, but also in developed countries, especially when markets are in recession. In this paper, we analyzed changes in major developments in the context of innovation capacity and the causality relation between innovation and its sources through an empirical study based on the automotive subcontracto...
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