نتایج جستجو برای: event base
تعداد نتایج: 454743 فیلتر نتایج به سال:
the traditional event tree analysis uses a single probability to represent each top event. however, it is unrealistic to evaluate the occurrence of each event by using a crisp value without considering the inherent uncertainty and imprecision a state has. the fuzzy set theory is universally applied to deal with this kind of phenomena. the main purpose of this study is to construct an easy metho...
We propose a family of models of coordination of distributed object systems representing different views, with refinement relations between the different views. We start with distributed objects interacting via asynchronous message passing. The semantics of such a system is a set of event partial orders (event diagrams) giving the interactions during possible system executions. A global coordin...
[1] In this paper an isotope‐incorporated regional model is developed and utilized for simulations of an atmospheric river event that occurred in March 2005. A set of sensitivity experiments and comparisons with observations confirm that the kinetic isotopic exchange between falling droplets and ambient water vapor below the cloud base was mostly responsible for the initial enrichment and subse...
The literature on English -er nominals has established that these can be divided into two major subclasses (see Rappaport Hovav & Levin 1992, Fabb 1984, Keyser & Roeper 1984, van Hout & Roeper 1998 to mention a few), the relevant semantic property being whether they refer to an actual event or not. Hence -er nominals vary with respect to the [±event] specification. As has been also widely discu...
The sequence-specific recognition of double-helical DNA by oligodeoxyribonucleotide-directed triple-helix formation is limited mostly to purine tracts. Within the geometric constraints of the phosphate-deoxyribose position of a purine-purine-pyrimidine triple-helical structure, model building studies suggested that the deoxyribonucleoside 2'-deoxynebularine (dN) might form one specific hydrogen...
A base-isolation system was developed for earthquake protection of low-rise structures. The system incorporates spherical supports for the base, a specially designed spring-cam system to keep the base supported under normal conditions, and moves for the duration of the earthquake under the constraint of a spring with optimized stiffness characteristics. The dynamic behaviour of a three-story co...
DNA hybridization plays a central role in biology and, increasingly, in materials science. Yet, there is no precedent for examining the pathways by which specific single-stranded DNA sequences interact to assemble into a double helix. A detailed model of DNA is adopted in this work to examine such pathways and to determine the role of sequence, if any, on DNA hybridization. Transition path samp...
The scope of this work is knowledge management in the Semantic Web. Its contribution is the design, development, and characterisation of an application node architecture for the Semantic Web, called Swan. The core of the Swan architecture consists of an OWL knowledge base which is supplemented by a hybrid reasoning mechanism. Hybrid reasoning in Swan combines F-Logic and Description Logic reaso...
We present a mechanism for constructing graphical models speci cally Bayesian net works from a knowledge base of general probabilistic information The unique fea ture of our approach is that it uses a power ful rst order probabilistic logic for express ing the general knowledge base This logic allows for the representation of a wide range of logical and probabilistic information The model const...
According to the prevailing model, frameshift-suppressing tRNAs with an extra nucleotide in the anticodon loop suppress +1 frameshift mutations by recognizing a four-base codon and promoting quadruplet translocation. We present three sets of experiments that suggest a general alternative to this model. First, base modification should actually block such a four-base interaction by two classical ...
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