نتایج جستجو برای: before discovering computer

تعداد نتایج: 1040667  

Journal: :Comput. J. 1995
Michael K. Reiter Li Gong

In a distributed system, it is often important to detect the causal relationships between events, where event e1 is causally before event e2 if e1 happened before e2 and could possibly have aaected the occurrence of e2. In this paper we argue that it can be essential to security that a process determine, in the face of malicious attack, how two events are causally related. We formulate attacks ...

Journal: :EURASIP J. Adv. Sig. Proc. 2011
Ling Fan Xiaoling Zhang Jun Shi

In this article, we present a particle filter (PF)-based track-before-detect (PF TBD) procedure for detection of extended objects whose shape is modeled by an ellipse. By incorporating of an existence variable and the target shape parameters into the state vector, the proposed algorithm performs joint estimation of the target presence/ absence, trajectory and shape parameters under unknown nuis...

طاهره امیر حسینی, ,

  The aim is the study on the impact of Pethedine 4 hours before labor on newborn. Data was gathered based on the Apgar scores in first and fifth minutes after birth. Three groups of mothers were selected: without any use of Pethedine, use of Pethedine less than 4 hours before labor and use of Pethedine more than 4 hours before labor. The data was analyzed by using computer programs. There was ...

2015
Albert Lee Andrea LaPaugh

This paper presents the Dynamic Relational Topic Model, a new dynamic topic model that incorporates both document text and relationships for discovering the underlying topics in document collections and their evolution over time. We derive an approximate variational inference algorithm for our model and demonstrate its effectiveness over previous approaches by analyzing papers in Computer Scien...

Journal: :Quantum Information Processing 2004
Peter W. Shor

We discuss the progress (or lack of it) that has been made in discovering algorithms for computation on a quantum computer. Some possible reasons are given for the paucity of quantum algorithms so far discovered, and a short survey is given of the state of the field.

2007
Yinghua Chen Bican Xia Lu Yang Naijun Zhan Chaochen Zhou

Differing from [6] this paper reduces non-linear ranking function discovering for polynomial programs to semi-algebraic system solving, and demonstrates how to apply the symbolic computation tools, DISCOVERER and QEPCAD, to some interesting examples. keywords: Program Verification, Loop Termination, Ranking Function, Polynomial Programs, Semi-Algebraic Systems, Computer Algebra, DISCOVERER, QEPCAD

1999
David A. Rabenhorst

Computer-assisted interactive visualization has become a valuable tool for discovering the underlying meaning of tabular data, including categorical tabular data. The capabilities of the more traditionally mundane kinds of pictures like scatter plots can be expanded to usefully depict categorical tabular data by incorporating annotations and transforms, and by integrating the extensions into an...

Journal: :Physical review research 2023

Discovering the governing equations of evolving systems from available observations is essential and challenging. In this paper, we consider a different scenario: discovering streaming data. Current methods struggle to discover differential with considering measurements as whole, leading failure handle task. We propose an online modeling method capable handling samples one by sequentially data ...

Journal: :The Journal of Rehabilitation Research and Development 2012

2005
Jun Liu

Many distributed applications demand the underlying distributed systems to accommodate their needs. Matching requirements of distributed applications compels the prompt identification of momentary characteristics of an underlying distributed system. Thus, a method is needed to promptly derive a momentary state of a distributed system by identifying a set of events occurred across hosts and occu...

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