Topic
Proxy (statistics)
About: Proxy (statistics) is a research topic. Over the lifetime, 5257 publications have been published within this topic receiving 94504 citations. The topic is also known as: proxy variable & proxy measurement.
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Patent•
02 Jun 2010TL;DR: Application proxy support over a wireless link between a mobile device and a wireless node is disclosed in this paper, which is configured to conserve energy and resources and to mitigate delays in a communication environment.
Abstract: Application proxy support over a wireless link between a mobile device and a wireless node is disclosed. Application proxy support is configured to conserve energy and resources and is configured to mitigate delays in a communication environment. Application proxy support can be associated with a wireless node, such as a femto cell, which can provide a coarse-grain wireless application proxy support that can utilize various criteria to buffer data and determine how long to delay delivery of data. Femto cell can provide a fine-grain wireless application proxy that runs application proxies for each mobile device for one or more applications associated with mobile device. The proxy can determine whether to buffer and forward received data to mobile device. The wireless application proxy can respond to network on behalf of mobile device. The proxy can wake up mobile device upon arrival of a significant event associated with a proxied application.
179 citations
TL;DR: In this paper, the authors introduce a method of generating a random sample of simulated 14C determinations, from a specified distribution, with variable data densities and measurement errors, and compare the resulting proxy population curve to the known population distribution from which it was generated, to see whether known population fluctuations are unambiguously visible on a proxy curve derived from 14C data sets.
178 citations
TL;DR: The results show a trend towards positive and negative announcements having the expected effects on daily returns, but do not suggest that a firm's presence on the FTSE4Good UK Index brings it any significant financial return for signalling its corporate social responsibility.
176 citations
TL;DR: In this article, the relation between news and timing of earnings announcements has been investigated and it is shown that early announcements are associated with good news relative to late announcements, and that unexpected earnings explain 4% or less of the variation in timing.
Abstract: Using a sample of announcements drawn from the 1980s and early 1990s, we reassess the relation between earnings news and earnings announcement timing. Using analyst forecast errors to proxy for news, we find that early announcements are associated with good news relative to late announcements. The relation between news and timing, however, does not appear to be strictly monotonic. Furthermore, we find that unexpected earnings explain 4% or less of the variation in timing. Finally, we assess whether abnormal returns behave in a manner that is consistent with a good news early, bad news late relation.
171 citations
Patent•
31 Jul 2002
TL;DR: In this paper, a local proxy that is located between a client device and a host system may be used to identify, or provide information about, a client devices or identity using the client device that accesses the host system and the local proxy may append parental control information (such as a parental control level) to communications sent by the client devices.
Abstract: A local proxy that is located between a client device and a host system may be used to identify, or provide information about, a client device or identity using a client device that accesses a host system. The local proxy may append parental control information (such as a parental control level) to communications sent by the client device. The host system may provide, or restrict, access to information or features based on the information appended to communications sent by the client device. The local proxy and the host system both may store an additional copy of parental control information associated with one or more identities or client devices. The mirror copy of parental information may be used to restrict communications based on an identity or device's parental control classification and/or may be used to verify that parental control information has not been improperly modified or accessed. Parental controls may be applied using access control lists stored on the local proxy.
168 citations