knowledge-based inference 中文意思是什麼

knowledge-based inference 解釋
知識推理
  • knowledge : n. 1. 知識;學識,學問。2. 了解,理解;消息。3. 認識。4. 〈古語〉學科。5. 〈古語〉性關系。
  • based : 基準
  • inference : n. 1. 推理,推論;推斷,結論,論斷;含蓄,含意。2. 推斷的結果;(邏輯上的)結論。
  1. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中,採用了產生式知識表達和正向推理機制;在基於神經網路的故障診斷方法中,則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。
  2. Compared with the regular rule - based expert system, the bayesian network based es can reason on the incomplete input information using the prior probability distribution ; the topological structure of the network being used to express the qualitative knowledge and the probability distributions of the nodes in the network being used to express the uncertainty of the knowledge, which made the knowledge representation more intuitively and more clearly ; applying the principle of the bayesian chaining rule, bidirectional inference which allow infer from the cause to the effect and from the effect to the cause can be achieved

    與一般基於規則的專家系統相比,貝葉斯網專家系統利用先驗概率分佈,可以使推理在輸入數據不完備的基礎上進行;以網路的拓撲結構表達定性知識,以網路節點的概率分佈表達知識的不確定性,從而使不確定性知識的表達直觀、明確;利用貝葉斯法則的基本原理,可以實現由因到果及由果到因的雙向推理。
  3. Based on the study of software testing and expert system core technologies ( inference method and mechanism, explanation mechanism, knowledge acquirement, and knowledge representation ), the author developed the software exception analysis of expert system using visual prolog

    作者在研究軟體測試以及專家系統核心技術(推理方法與推理機制、解釋機制、知識獲取和知識表示等)的基礎上,採用visualprolog語言,完成了軟體錯誤分析專家系統的具體開發。
  4. By the browser / web server / database structure and the technology of asp. net and xml, we achieve the expert system running on the network, extend the application and ensure its backward compatibility ; we have the deep research to the representation of knowledge and apply it to the system, extend the traditional method of rule based knowledge representation ; introduce the fuzzy sets, analyze the generalized possibility interval sets, and combine the linguistic variables and fuzzy sets ; the system adopts the forward and backward chaining, researches the reasoning under uncertainty and inexact reasoning ; and we depart knowledge base and inference engine, make the upgrade simple and maintenance convenient. in the last, we construct the potato produce manage system according to the phases of potato ' s growth to give a detailed instruct to its produc e

    Net和xml技術,實現了網路化的專家系統,同時擴大了專家系統的應用范圍,提高了系統的後向兼容性;對專家系統中的知識表示技術作了深入探討,在傳統的基於規則的知識表示方法的基礎上,提出了基於規則擴展的知識表示方法,並較好地將其應用到本系統中;引入了模糊集合,分析並推導了廣義可能區間集,將其應用於模糊知識的表示,將語言變量和模糊集合結合起來;提出對系統採用互動式知識獲取途徑、雙向推理控制策略,對不精確推理和不確定性推理的傳播演算法作了一定的研究,成功地將其應用到馬鈴薯專家系統的構建之中;採用知識庫和推理機相分離的方法,使得系統升級簡單易行。
  5. In the first part of our research, we analyzed the causality hiding in substation abnormal condition processing, constructed one tree - like knowledge model ; based on this model, inference engine and database was designed ; finally, the first es was realized in visual c + + developing environment. in addition, for the sake of customer ' s maintaining this system, one customer - oriented knowledge editor was developed

    在變電異常檢查處理專家系統的研究中,我們分析了變電異常檢查處理中蘊涵的因果關系,創建了一種樹狀知識模型;根據這個知識模型,進行了推理機和數據庫的設計;最後,在visualc + +開發平臺上對這個系統進行了編程實現。
  6. Domain ontology and knowledge inference based semantic web application

    基於領域本體和知識推理的語義網際網路應用
  7. We constructed the ticket ontology and ticket service using these technologies, and applied ontology modeling technology, knowledge inference technology and primitive - based interaction technology in this domain. these measures made the infrastructure of web services more complete, intelligent and extensible

    我們基於這些技術構造了ticketontology和ticketservice ,在此服務領域內推廣和應用了本體建模技術、知識推理技術和基於原語的交互技術,使得web服務體系的底層結構更為完備,具有更好的智能性和可擴展性。
  8. After discussing of the current bdar, the chosen radar ’ s damage mode and effects is analyzed in the paper according to its function structure and fighting mission. and then, an expert system is presented to assess effectively and intelligently based upon the bayesian networks. in detail, three knowledge representations, i. e. production rule, frame and bayesian networks are adopted to express different kinds of knowledge in the expert system, and forward deduction and bayesian networks ’ uncertain reason are combined to accomplish the expert system inference process

    本文在總結戰場損傷評估與修復的理論體系和研究現狀的基礎上,選用某型號雷達作為研究對象,按照其功能結構及作戰任務的特點,分析了它的戰場損傷模式與影響,並就其損傷評估與修復的常用方法和決策思路,設計了一個基於貝葉斯網路的專家系統以提高戰損評估決策的自動化、智能化水平。
  9. The author has made extensions on logical and relational primitives based on some influential techniques, like rdfs ( resource description framework schema ) and oil ( ontology inference / interchange layer ), so as to enable knowledge, rules and axioms to be syntactically seriliazed with ordinary xml

    本文基於rdfs 、 oil等有影響的技術對這些邏輯原語和關系原語進行了擴展定義,這樣,從語法上採用通用的xml 、從語義上採用這些定義的原語,就可以描述知識、規則和公理。
  10. This expert system is composed of fuzzy inference machine and management of fuzzy knowledge base. the fuzzy inference machine is based on forward data - driven reasoning and the fuzzy knowledge base is based on predicate presentation

    本專家系統由正向數據驅動型權值法的診斷型模糊推理機和對基於謂詞的模糊知識庫的管理維護組成的。
  11. 2 lenat d b, guha p v. building large knowledge based systems : representation and inference in the cyc project. addison wesley, 1990

    討論了知件工程的兩種生命周期模型:熔爐模型,它適用於存在著可以批量獲取的知識源的情況。
  12. Ontology is a conceptual description of the world, ontology will be used for ambiguity resolution and inference and semantic lexicon will be used for analyzing the clause ' s functional component. around the algorithm, we design and implement a cfm based chinese clause analyzing system. it ' s a knowledge based chinese understanding system, using world knowledge and linguistic knowledge to analyze chinese clause

    圍繞該演算法,我們設計了「基於cfm的漢語小句語義分析系統」 ( cbccus ) ;並把「中學物理教材」中力學部分作為語料,提取其中的語義模式、基元概念和世界知識,對系統的cfm 、語義詞典和ontology實例化,形成一個簡單的原型系統。
  13. Based on an universal knowledge expresion method, the inference engine combines both object - oriented method and blackboard model to solve the problem

    推理機基於一種靈活、通用的知識表達形式,將面向對象方法和問題求解的黑板模型思想有機地結合在一起。
  14. In this paper, at first we introduce the purpose, significance, domestic and foreign research present situation of network tomography. we give a detailed presentation on tomography and measure methods by different classified method. after introduced the elementary knowledge about tomography, we elaborate in detail the derivative process of multicast - based direct estimator algorithm, expectation maximum algorithm and unicast - based loss inference method

    本文首先介紹了網路透視的目的、意義和研究現狀,按照不同的分類方法介紹了幾種主要的網路測量和網路透視方法;在介紹了網路透視技術的基礎知識后,詳細闡述了多播透視演算法中直接估計演算法( directestimator )和最大期望演算法( expectationmaximum )的推理過程,以及單播透視的丟包率推理演算法。
  15. At last the paper uses fully learning data according celts, constructs theory and methord of implementing system. the theory has two aspects : gives imprecise learning methords using rules when sequencing initially, such as introducing, narrating emphases and so on ; during the process of learning, we construct a fuzzy evaluating model using the data of scores, learning time and browsing times, and adjust scores with learning objects. then we can inference more precice learning strategy based on the result of evaluation, such as searching previous knowledge units, learning current knowledge units repeatly

    該原理主要體現在兩個方面:一是在初始編列時,根據規則的匹配與調用可以實現較為粗略的教學方法指導,如一般性介紹、重點講述等;二是在過程導學當中,針對最具代表性的測驗成績、學習時間、瀏覽次數的學習效果和行為,結合學習者的預期學習目標等因素進行適當的成績調整、時間改進等處理,並運用模糊綜合評判的方法對學習者實施有效評價,以推理出在學習過程中較為細化的教學建議,如搜索前驅知識單元、重新學習當前知識單元等。
  16. Air defense missile fdes based on rule inferece is studied and designed in detail, including the construction of knowledge base system, design of the inference algorithm and the building of knowledge base management system. 3

    深入研究了基於規則推理的地空導彈故障診斷專家系統的設計方法,並對系統進行了設計,包括規則知識庫的構建、推理演算法的設計以及診斷知識庫管理與維護系統的組建。
  17. 2. study on knowledge - based fault diagnosis system systemeticly to find the causes of faults, maily include the following aspects : representation of symptoms and experience knowledge ; measurement of fuzzy symptoms ; inference algorithm of the inaccuracy diagnosis ; interface of acquisition of evidence and management of knowledgebase. 3

    以詳細診斷故障原因為目的,系統的研究基於知識的故障診斷系統,主要包括:故障徵兆知識及經驗知識的形式化表示;故障徵兆知識的量化處理;不確定診斷問題的求解演算法;獲得診斷證據的介面及知識庫管理技術。
  18. The expert system model encapsulate a few supporting mechanisms including knowledge presentation, inference engine, explain engine and knowledge acquisition. it can realize storage and manage the knowledge and deduce function based on special knowledge

    本文實現的專家系統模型封裝了知識表示形式、推理機制、解釋機制以及知識獲取等支撐設施,可以實現對知識的存儲、管理以及基於特定知識的推理功能。
  19. A model of spatial decision support system based on spatial data mining was established after making research on application and integration of spatial data mining, " 3s " technology and environment model, which include designing of data base, knowledge base, model base and their management system, inference engine and intelligent data mining engine ; 2. a model using artificial neural networks to forecast in coast environment in fujian was established, and a method applying multivariate decision tree to remote sensing classification was presented ; 3. a novel and shortcut method realizing artificial neural networks was presented, and then we put forward method realizing decision tree and realized it in prototype

    論文的主要內容概括起來有: ( 1 )對空間數據挖掘技術、 「 3s 」技術、環境模型在空間決策支持系統中的應用與集成進行了研究,提出了一種基於空間數據挖掘的環境調控空間決策支持系統的模型,包括模型庫及其管理系統、知識庫及其管理系統、數據庫及其管理系統、推理機以及數據挖掘智能引擎等的設計; ( 2 )建立了人工神經網路在福建省海岸帶環境預測中應用的模型,提出了復合決策樹演算法在遙感分類的應用方法; ( 3 )提出一種新穎的、簡便快捷的人工神經網路的實現方法,以及決策樹的實現方法,並在原型系統中作了實現。
  20. For the first time this dissertation discusses the feasibility of data mining for the fields data of cfbb , analyses the preprocessing technology of sample data , introduces the application of clustering analysis , and finally completes the rule extraction by applying knowledge - based artificial neural network. considering distributed parameters , nonlinear , and long time lag system of cfbb , the theory of self - organizing neural fuzzy inference system is applied to the control system of cfbb , and enables control rules extraction on - line. the models of data mining and self - organizing ( fbnc - pnn controller ) are programmed , embedded to the control system of a 35 t / h cfbb in tsingtao , and finally improve the performance of cfbb effectively

    本文還針對流化床鍋爐運行的非線性嚴重、大滯后、不確定性大等特點,研究了基於數據挖掘優化的模糊神經自組織控制策略在循環流化床控制系統中的應用,使規則獲取可以在線進行;並編制了數據挖掘模塊優化自組織控制模塊,應用到青島35t / h循環流化床鍋爐的控制系統中,提高了鍋爐的運行水平和效率,取得了良好的效果。
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