It is important to note that the certainty factor is actually an estimate of the statistical likelihood that the category was identified correctly. 一定要注意,确定性因子实际上是一个统计学概率的估计值,表示正确识别目录的概率。
Simulation and Realization of Uncertainty Reasoning Based on Certainty Factor 基于确定因子的不确定性推理的仿真实现
Properties of the superimposition algorithm of the certainty factor in emycin 关于EMYCIN可信度迭加算法几个性质的讨论
The non-probabilistic approaches include the certainty factor theory in MYCIN, Fuzzy Set Logic, Dempster-Shafer theory, etc. 另一类是非概率的方法,包括MYCIN的可信度因子(CertaintyFactor)、模糊逻辑(FuzzyLogic)以及Dempster-Shafer的证据理论等。
Design an instruction knowledge layered model and information model, and use certainty factor and fuzzy technology to represent uncertain knowledge. 提出了网络教学中的领域知识层次模型和以学习单元为核心的领域知识信息模型。并采用确定性因子和模糊技术表示不确定性的领域知识。
Based on the analytic process of anomaly evidence reliability in earthquake prediction practice, a model that can be used to determine the anomaly evidence certainty factor has been proposed in this paper. 本文根据实际地震预报中分析异常证据可信度的过程,提出了确定异常证据可信度的模型。
In this Paper, We will discuss the certainty factor and Bayes formula by using fuzzy measure and its applications on uncertain reasoning. 以λ-可加模糊测度为工具,定义了可信度因子和模糊Bayes方法,并给出它们在不精确推理中的应用。
A Multi-Faults Diagnostic Model Based on Set-Covering and Certainty Factor 一种基于集合覆盖和可信度因子的多故障诊断模型
Evaluating the evidence of certainty factor is the key of uncertainty reasoning. 证据确定性因子的求取是不确定推理的关键。
An Arithmetic of Evaluating the Evidential Certainty Factor 证据确定性因子求取的算法
E., the fault severity degree and the certainty factor in diagnosis are performed. 实现了该诊断问题中故障严重程度和可信度两种模糊概念的推理;
Certainty factor discrepancy under multi-rules with the same conclusion 多规则具有相同结论情况下的可信度偏差
To make the reasoning suit the practice and increase the precision of the reasoning, the certainty factor of the weighted fuzzy production rule and the fact input by user is represented by use of fuzzy numbers. 为了更加符合实际情况,提高推理的精度,本文将模糊产生式规则以及用户输入事实的确定性因子用模糊数来表示。
The evidence certainty factor determination and frame-like knowledge representation in esep/ pc 地震预报专家系统(ESEP/PC)中的证据可信度确定与类框架知识表示
The tool provides some important functions, such as strong interactive ability, knowledge base maintenance, inference process trace, knowledge certainty factor computation and manual intervention learning system. 它具有较强的交互能力,并提供了知识库的维护、推理过程的跟踪、知识确信度的计算以及人工干预的学习系统等重要功能。
During the system modeling, knowledge engineers give a certainty factor to every rule. 在系统建模过程中,知识工程师通过专家赋值、案例统计或其他方法,给规则库中的每条规则赋一个可信度因子。
A new method for partner appraisement in dynamic alliance based on certainty factor is introduced to consider the uncertainty of appraisement. 考虑到动态联盟伙伴评价过程中的不确定性,引入了基于可信度的不确定推理方法。
In a multi-expert cooperative solving system, each of expert gives either several different conclusions and certainty factor value or the same conclusion and different certainty factor value. 在多个专家联合求解的系统中,有时每个专家给出了多个不同的结论和可信度值,有时给出同一个结论和不同的可信度值。
It keeps updating the status of the students 'mastering degree of field knowledge points based on the shadiness factor and certainty factor among various knowledge points. 它根据知识点之间的可疑度和可信度更新学生对领域知识点的掌握程度,进而分析出学生在某一阶段对各类知识点的掌握情况。
The Certainty Factor Based Model for Uncertain Reasoning and Its Application 基于可信度因子的不精确推理及其应用
The definition of certainty factor in certainty theory is discussed. The method of reducing the interior of certainty factor from [-1] to [ 0,1] is presented. 讨论确定性理论和确定性因子的定义,提出一个将确定性因子的区间从[-1,1]压缩到[0,1]的方法。
The linguistic mycin certainty factor model and its second-order model 语言辞MYCIN可信度模型及其二阶模型
A practical formula for estimating this certainty factor is derived with MYCIN model based on the characteristics that earthquake occurrence is an event with small probability, and some other inexact inference problems are also discussed. 文中结合地震发生是个小概率事件这一特点,运用MYCIN模型推得了估计这一信度的实用公式,同时还对所遇到的其它几个不精确推理问题进行了论述。
The rule match method and computing certainty factor of human expert are presented, which also apply to other knowledge representation methods. 知识的其它表示方法亦有同样的特点。
By the mean of integration of landslide certainty factor ( CF) and multi-variable regression model, some problems can be solved including the selection and quantification of landslide factors. 通过将滑坡确定性稳定系数与回归模型的融合,在一定程度以解决了滑坡评价过程中影响因子的选择和量化的问题,有利于建立准确的滑坡分析模型。
Two kinds of conclusions can be obtained from this system. One is probability, the other is certainty factor. 利用该系统可得出两种结论:一是利用计算概率的方法得出的结论,二是利用计算可信因子方法得出的结论,两种结论呈现定量和定性的互补关系。
To overcome the hardship of enacting the pre-probability distribution with high certainty factor, this paper proposes one novel way of applying Bayes analysis to classify pattern. 针对模式分类中高置信度的先验概率分布难以设定的问题,提出了一种新的应用贝叶斯分析进行模式分类的方法。
Combination of subjective bayes method, Certainty factor theory and fuzzy comprehensive evaluation method are applied to solve the uncertainty, dynamics and fuzzy in student evaluation. 结合主观贝页斯方法、可信度理论和模糊综合评判法来解决学生评价中的不确定性、动态性和模糊性。
Up until now, our electric power planning still follows the planning ideas and methods that established in the period of planned economy which taken a certainty goal as the core factor. It does not meet the development of the power industry which is in the market-oriented reform. 迄今为止我国电力规划一直奉行一种由计划经济时期奠定的、以确定性目标为核心的规划理念和规划方法,已经越来越不适应我国处于市场化改革的电力工业的发展。
The certainty factor analysis result shows that most variables in the model have met demands of reliability and validity. 确定性因子分析结果显示,模型分析中大多数变量的测度均满足信度和效度要求。