Topic
Weak consistency
About: Weak consistency is a research topic. Over the lifetime, 923 publications have been published within this topic receiving 22612 citations.
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TL;DR: In this paper, an estimator of the number of change points in an independent normal sequence is proposed via Schwarz' criterion, and weak consistency of this estimator is established; however, it is not shown that the estimator can be used to estimate change points.
641 citations
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TL;DR: In this paper, the Bem-Funder (1978) template-matching approach did not enhance the search for cross-situational consistency either in their original data or in an extended replication presented here.
Abstract: Recent efforts to resolve the debate regarding the consistency of social behavior are critically analyzed and reviewed in the light of new data. Even with reliable measures, based on multiple behavior observations aggregated over occasions, mean cross-situational consistency coefficients were of modest magnitude; in contrast, impressive temporal stability was found. Although aggregation of measures over occasions is a useful step in establishing reliability, aggregation of measures over situations bypasses rather than resolves the problem of cross-situational consistency. The Bem-Funder (1978) template-matching approach did not enhance the search for cross-situational consistency either in their original data or in an extended replication presented here. The Bern-Allen (1974) moderator-variable approach also was not found to yield greater cross-situational consistency in the behavior of "some of the people some of the time" either in their original data or in the present study of conscientiousness. Congruent with a cognitive prototype approach, it was proposed and demonstrated that the judgment of trait consistency is strongly related to the temporal stability of highly prototypic behaviors. In contrast, the global impression of consistency may not be strongly related to highly generalized cross-situational consistency, even in prototypic behaviors. Thus, the perception and organization of personality consistencies seems to depend more on the temporal stability of key features than on the observation of cross-situational behavioral consistency, and the former may be easily interpreted as if it were the latter.
588 citations
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TL;DR: In this article, strong consistency of estimates of the maximum lags of an autoregressive moving average process is established under general conditions, and a theorem on weak consistency is also proved and in certain cases where consistency does not hold the probability of overestimation of a maximum lag is evaluated.
Abstract: Under general conditions strong consistency of certain estimates of the maximum lags of an autoregressive moving average process is established. A theorem on weak consistency is also proved and in certain cases where consistency does not hold the probability of over-estimation of a maximum lag is evaluated.
513 citations
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TL;DR: This study compares three consistency approaches: adaptive TTL, polling-every-time and invalidation, through analysis, implementation, and trace replay in a simulated environment and shows that strong cache consistency can be maintained for the Web with little or no extra cost than the current weak consistency approaches.
Abstract: As the Web continues to explode in size, caching becomes increasingly important. With caching comes the problem of cache consistency. Conventional wisdom holds that strong cache consistency is too expensive for the Web, and weak consistency methods, such as Time-To-Live (TTL), are most appropriate. This study compares three consistency approaches: adaptive TTL, polling-every-time and invalidation, through analysis, implementation, and trace replay in a simulated environment. Our analysis shows that weak consistency methods save network bandwidth mostly at the expense of returning stale documents to users. Our experiments show that invalidation generates a comparable amount of network traffic and server workload to adaptive TTL and has similar average client response times, while polling-every-time results in more control messages, higher server workload, and longer client response times. We show that, contrary to popular belief, strong cache consistency can be maintained for the Web with little or no extra cost than the current weak consistency approaches, and it should be maintained using an invalidation-based protocol.
369 citations
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TL;DR: In this article, the estimation of a density and its derivatives by the kernel method is considered, and uniform consistency properties over the whole real line are studied under certain conditions on the density and on the behavior of the window width which are necessary and sufficient for weak and strong uniform consistency of the estimate of the density derivatives.
Abstract: The estimation of a density and its derivatives by the kernel method is considered. Uniform consistency properties over the whole real line are studied. For suitable kernels and uniformly continuous densities it is shown that the conditions $h \rightarrow 0$ and $(nh)^{-1} \log n \rightarrow 0$ are sufficient for strong uniform consistency of the density estimate, where $n$ is the sample size and $h$ is the "window width." Under certain conditions on the kernel, conditions are found on the density and on the behavior of the window width which are necessary and sufficient for weak and strong uniform consistency of the estimate of the density derivatives. Theorems on the rate of strong and weak consistency are also proved.
362 citations