نتایج جستجو برای: ambiguity index

تعداد نتایج: 415653  

Journal: :Journal of Logic, Language and Information 2021

Abstract We treat the problem of reasoning with ambiguous propositions. Even though ambiguity is obviously problematic for reasoning, it no less obvious that propositions entail other (both and unambiguous), are entailed by This article gives a formal analysis underlying mechanisms, both from an algebraic logical point view. The main result can be summarized as follows: sound (and complete) req...

Journal: :Proceedings of the ACM on programming languages 2023

Traditionally, a grammar defining the syntax of programming language is typically both context free and unambiguous. However, recent work suggests that an attractive alternative to use ambiguous grammars,thus postponing task resolving ambiguity end user. If all programs accepted by can be rewritten unambiguously, then parser for said resolvably ambiguous. Guaranteeing resolvable statically---fo...

The discriminant analysis tries to find an equation based on a current order in the data that can be commented about the membership of a unit in one of the two or more groups according to the number of the independent variables. DEA-DA and logistic regression are among the discriminant analysis techniques which have no complex statistical assumptions and are applicable in many studies. On the o...

2007
Yong-Sik Lim Ji-Hee Kim Erik H. Hároz Jonah Shaver Junichiro Kono Stephen K. Doorn Robert H. Hauge Richard E. Smalley

We report on a new high-resolution optical spectroscopy, coherent phonon measurement, for determining the chiral index of carbon nanotubes. Using femtosecond pump-probe spectroscopy, we demonstrate the real-time observation of lattice vibrations in individualized single-walled carbon nanotubes in an aqueous surfactant solution. Almost all available radial breathing modes in the Fourier transfor...

Journal: :World journal of clinical oncology 2015
Ruth D Blum Jay D Raman

Renal tumor surgery places patients at increased risk for chronic kidney disease (CKD). Accurate quantification of kidney function changes before and after surgery is essential to determine the magnitude of decline attributable to an index procedure. Current literature, however, highlights heterogeneity and inconsistencies in measurement techniques thereby contributing to ambiguity amongst stud...

2006
Jürgen Eichberger David Kelsey Burkhard C. Schipper

We report on an experiment in which subjects choose actions in strategic games with either strategic complements or substitutes against a granny, a game theorist or other subjects. The games are selected in order to test predictions on the comparative statics of equilibrium with respect to changes in strategic ambiguity. We find that subjects face higher ambiguity while playing against the gran...

Journal: :SIAM J. Imaging Sciences 2011
Margaret Cheney Brett Borden

We develop a theory for waveform-diverse moving-target synthetic-aperture radar in the case in which a single moving antenna is used both on transmission and on reception. We assume that the targets (scattering objects) are moving linearly, but we allow an arbitrary, known flight path for the antenna and allow it to transmit a sequence of arbitrary, known waveforms. A formula for phasespace (po...

2014
Matthew Ryan Rhema Vaithianathan Luca Rigotti

An “investment bubble” is a period of “excessive, and predictably unprofitable, investment”(DeMarzo, Kaniel and Kremer, 2007, p.737). Such bubbles most often accompany the arrival of some new technology, such as the tech stock boom and bust of the late 1990’s and early 2000’s. We provide a rational explanation for investment bubbles based on the dynamics of learning in highly uncertain environm...

2011
Christian Kellner Gerhard Riener

We test the implications of ambiguity aversion in a principal-agent problem with multiple agents. When output distributions are uncertain, models of ambiguity aversion suggest that tournaments may become more attractive than independent wage contracts, in contrast to the case where output distributions are known. We do so by presenting agents with a choice between tournaments and independent co...

2006
PHILIPPE JAMING

In this article, we give an estimate of the zero-free region around the origin of the ambiguity function of a signal u in terms of the moments of u. This is done by proving an uncertainty relation between the first zero of the Fourier transform of a non-negative function and the moments of the function. As a corollary, we also give an estimate of how much a function needs to be translated to ob...

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