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heuristic knowledge     
相关语句
  启发式知识
     HKR-A System for Heuristic Knowledge Refinement
     HKR——一个启发式知识求精系统
短句来源
     Attribute Reduction based on Heuristic Knowledge and Its Application on Evaluation System
     基于启发式知识的属性约简方法及其在评价体系中的应用
短句来源
     Approach to heuristic knowledge reduction based on discernibility matrix
     一种基于分明矩阵的启发式知识约简方法
短句来源
     The experiment results show that the GA algorithm with heuristic knowledge is effective for parallel query processing of multi-joins, and plays an important role in improving the performance of database systems.
     实验结果表明,结合启发式知识的遗传算法是解决多连并行查询优化的有效途径,对提高数据库的性能起到重要作用.
短句来源
     Two main approaches are used in qualitative diagnostic reasoning. These approaches are the first principle approach and the heuristic knowledge approach. Systems based on the first one can handle hard problems and new situation.
     国际上现有的诊断推理方法可归纳为两类:基于第一原理的定性诊断推理和基于启发式知识的定性诊断推理,由于这两种方法各有其优缺点,因此如何将两种方法有机地结合起来成为近年来该领域的研究热点。
短句来源
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  启发性知识
     Finding to use finite state automaton may effectively express program action through analysis program, giving a basis studying algorithm of program action, it improved the performance of intrusion detection through using common program programming heuristic knowledge to the basis studying algorithm.
     通过对程序分析,发现采用有限状态自动机可以有效表示程序行为,并给出学习程序行为的基本学习算法,同时根据通用程序设计启发性知识,将启发性知识应用于基本学习算法,改善了入侵检测性能,最后对算法学习和检测性能进行了分析,给出了自动机学习算法完整性的证明。
短句来源
     NEW LOGIC AND HEURISTIC KNOWLEDGE BASED MINLP APPROACH TO PROCESS SYNTHESIS
     基于逻辑与启发性知识的MINLP过程综合方法
短句来源
     A HEURISTIC KNOWLEDGE BASED GRADUATE SCHOOL TIMETABLE SCHEDULING SYSTEM
     基于启发性知识研究生院课表编排系统
短句来源
     Based on the rough set theory, the relative difference comparison table is constructed to effectively and efficiently achieve the better attribute reducts. Then the relative difference comparison table is combined with the heuristic knowledge to design three algorithms respectively: the improved algorithm for attribute reducts (AR1), the complete algorithm for judgement of attribute reduct (RJ), and the enhanced algorithm for attribute reducts (AR2).
     为了能够较为有效地获得较优的属性约简 ,首先在粗糙集理论的基础上构造出了相对差异比较表 ,然后把它与启发性知识相结合分别设计出了 3个算法 :属性约简的改进算法(AR1) ,属性约简判定的完备算法 (RJ)和属性约简的改进增强算法 (AR2 ) ;
短句来源
     Combining with the heuristic knowledge, an integer coding based hybrid genetic algorithm for the mission assigning problem is proposed.
     将问题的启发性知识融合进遗传算法,提出了求解该问题的基于整数编码的混合遗传算法.
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  启发式信息
     It has been proved the computation of minimal reduction and full reduction both is NP-hard problem, in artificial intelligence the common way is to employ heuristic knowledge to reduce.
     研究表明,最小约简的计算和全部约简的求算都是NP问题,在人工智能中,解决这类问题的一般方法是利用启发式信息进行约简。
短句来源
     It makes use of chaos variable to find initial solutions with favorable distribution, combines with heuristic knowledge in local search process, and puts forward especial greedy rerouting and extended greedy principal, all of which are to increase efficiency and global search ability.
     算法采用群局部搜索,利用混沌变量产生一组分布好的初始解,在邻域搜索过程中融入启 发式信息,并设计了特别的贪婪重路由以及扩展贪婪原则,提高了算法效率和全局搜索能力。
短句来源
  启发信息
     Because the A* algorithm searches for the globally best resolution with heuristic knowledge, the fast convergence to the global minimal energy is guaranteed.
     由于A~*搜索过程是一种全局最优搜索算法,并且在搜索过程中充分利用启发信息,从而能够保障并加快全局最小能量的收敛。
短句来源

 

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      heuristic knowledge
    2) It simulates changes in operational situations caused by the action of primitive operations with heuristic knowledge of transition relationships between operational situations.
          
    Moreover, compiled heuristic knowledge as the second level and class-oriented model-based knowledge as the highest level were implemented in the knowlege base.
          
    Viewed from an AI aspect, it aims at integrating similarity-based inductive learning and explanation-based deductive reasoning by guiding inductive inference with theoretical and/or heuristic knowledge about the domain.
          
    Heuristic knowledge about the characteristics that indicate one bias is better than another is encoded in the rule base of the Model Class Selection (MCS) system.
          
    Heuristic knowledge about the characteristics that indicate one bias is better than another is encoded in the rule base of the Model Class Selection (MCS) system.
          
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    A two-step algorithm to extract the line drawing from an image of a polyhedron is presented in the paper. At the first step, Hough transformation technique is employed, which is simplified greatly by an adaptive quantization scheme based on the statistical property of an image, and by the fact that the gradient direction of an edge point is the same as the normal of the edge. Second, we devise a prediction-searching scheme to locate the exact position of the edge segment, which is further corrected by making...

    A two-step algorithm to extract the line drawing from an image of a polyhedron is presented in the paper. At the first step, Hough transformation technique is employed, which is simplified greatly by an adaptive quantization scheme based on the statistical property of an image, and by the fact that the gradient direction of an edge point is the same as the normal of the edge. Second, we devise a prediction-searching scheme to locate the exact position of the edge segment, which is further corrected by making use of the heuristic knowledge about the polyhedron. It is shown by experiments that this algorithm works quite well, and has a great reduction in time and storage requiroments.

    抽取三维物体图象的线图,在景物分析及机器人视觉中有广泛的用途。本文将Hough变换与跟踪技术相结合,提出了一种抽取多面体图象线图的新方法。在Hough变换中,根据景物中边缘分布的内在规律,将变换参数自适应地量化,较好地解决了Hough变换的精度与时间的矛盾。在跟踪过程中,利用Hough变换的结果,预测出下一边缘象素点的位置,从而大大减少了搜索范围计算机模拟表明,此算法在时间与存贮量的减少上是显著的。

    The matching between perspective views of a 3-D object is an important but a very difficulttechnique in the study of computer vision.Based on one of human beings' vision behaviors, we present a new algorithm for matching the perspective views of an object in blocks world.The algorithm can suffer great changes in image structure caused by object motion such as rotation, scaling and occluding, because in the algorithm the 3-D physical meanings, rather than the 2-D appearance of a feature is employed as the critical...

    The matching between perspective views of a 3-D object is an important but a very difficulttechnique in the study of computer vision.Based on one of human beings' vision behaviors, we present a new algorithm for matching the perspective views of an object in blocks world.The algorithm can suffer great changes in image structure caused by object motion such as rotation, scaling and occluding, because in the algorithm the 3-D physical meanings, rather than the 2-D appearance of a feature is employed as the critical candidate for matching. Another advantage of the algorithm is its time-saving property, for a kind of heuristic knowledge about the scene is also used in the matching process.Several experiments are listed at the end of the paper, which shows that our algorithm works well under various distortions caused by the moving object.

    三维景物视图之间的匹配在‘计算机视觉’研究领域里是一项相当有用但又是非常困难的技术。 本文提出了一种模仿人的智能功能而对积木世界中物体视图求匹配的新方法。 由于本文的方法是以两图中的三维结构信息作为匹配的依据,而不是直接地应用它们的平面表象,所以本方法能忍受大视角变动及遮挡等原因所造成的两图之间的结构明显变化而仍可以得到正确的匹配结果。又由于在搜索中应用了很强的启发式信息,使本算法还有快速处理的特点。 本文还列出了几个典型实例的实验结果,从中可以看出本方法对各种复杂情况的处理本领。

    On the basis of attributed grammars, a model of knowledge based system is proposed. The model is basically an attributed tree-like structure. It not only has the context-sensitive properties concerned in the structure, but also can introduce the heuristic knowledge. The construction of the model is similar to the construction of the pattern in syntactic pattern recognition. The model structure may be transformed into executable LISP program. Two examples of expert system design are given to illustrate...

    On the basis of attributed grammars, a model of knowledge based system is proposed. The model is basically an attributed tree-like structure. It not only has the context-sensitive properties concerned in the structure, but also can introduce the heuristic knowledge. The construction of the model is similar to the construction of the pattern in syntactic pattern recognition. The model structure may be transformed into executable LISP program. Two examples of expert system design are given to illustrate applications of the method.

    本文以属性文法为基础,提供了一种知识型系统的模型。模型的基本结构是带属性的树。这种模型既能体现上下文敏感的性质,又能引入启发式的知识,而且可以方便地变换成可执行的LISP程序。模型的构成方式类似于模式识别中模式的构成。最后讨论了所述方法在设计SHOCK医疗系统及地震剖面解释系统中的应用。

     
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