نتایج جستجو برای: stochastic set
تعداد نتایج: 772443 فیلتر نتایج به سال:
We describe an approach to textual inference that improves alignments at both the typed dependency level and at a deeper semantic level. We present a machine learning approach to alignment scoring, a stochastic search procedure, and a new tool that finds deeper semantic alignments, allowing rapid development of semantic features over the aligned graphs. Further, we describe a complementary sema...
In this paper an approach is described to estimate 3D pose using a part based stochastic method. A proposed representation of the human body is explored defined over joints that employs full conditional models learnt between connected joints. This representation is compared against a popular alternative defined over parts using approximated limb conditionals. It is shown that using full limb co...
A harmonic new better than used in expectation (HNBUE) variable is a random variable which is dominated by an exponential distribution in the convex stochastic order. We use a recently obtained condition on stochastic equality under convex domination to derive characterizations of the exponential distribution and bounds for HNBUE variables based on the mean values of the order statistics of the...
TOSHIAKI TAUCHI National Laboratory for High Energy Physics, KEK 1-1 Oho, Tsukuba-shi, Ibaraki, 305, Japan and HISAKI HAYASHII Department of physics, Nara women's University, Nara 630, Japan Abstract We have measured the inclusive jet production cross sections in e+e ! (ee) jets at ps =58GeV using the TOPAZ detector at TRISTAN. We clearly observed the contribution of resolved photon processes. ...
This paper establishes a theory of decision making under uncertainty with fuzzy utilities. The extension of expected utility and stochastic dominance to the comparison of sets of random variables plays a crucial role. Their properties as fuzzy rankings are studied, and their definitions are further generalized to the comparison of fuzzy random variables. Also, a connection between expected util...
We propose a distributed version of a stochastic approximation scheme constrained to remain in the intersection of a finite family of convex sets. The projection to the intersection of these sets is also computed in a distributed manner and a ‘nonlinear gossip’ mechanism is employed to blend the projection iterations with the stochastic approximation using multiple time scales.
it is known that a stochastic dierential equation (sde) induces two probabilisticobjects, namely a diusion process and a stochastic ow. while the diusion process isdetermined by the innitesimal mean and variance given by the coecients of the sde,this is not the case for the stochastic ow induced by the sde. in order to characterize thestochastic ow uniquely the innitesimal covariance give...
We consider a new approach towards stochastic dominance rules. It allows measuring the degree of domination or violation of a given stochastic order and represents a way of describing stochastic orders in general. Examples are provided for the n-th order stochastic dominance and stochastic orders based on a popular risk measure.
Learning with Noise: Enhance Distantly Supervised Relation Extraction with Dynamic Transition Matrix
Distant supervision significantly reduces human efforts in building training data for many classification tasks. While promising, this technique often introduces noise to the generated training data, which can severely affect the model performance. In this paper, we take a deep look at the application of distant supervision in relation extraction. We show that the dynamic transition matrix can ...
A multi-period model of interruptible electric power service that includes early notification may be described as a stochastic control problem: whom to notify when. When customer interruption losses are multiplicative or submodular, an optimal priority ordering exists, allowing for a simple notification policy.
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