在网络信息检索中,基于文档向量空间的分类、聚类、排序与相关性反馈需要计算相似度。
In network information retrieval, based on document vector space, class, cluster, ranking and relevance feedback need to compute similarity.
由于词序相似度是影响简拼搜索排序结果的主要因素,该文提出了基于向量距离计算词序相似度的算法。
Since word order similarity is the main factor to the ranking results, an algorithm based on vector distance is devised to compute word order similarity in this paper.
此外,本文还研究了基于向量空间模型的自动文本分类方法,提出了一个新的词权重计算方法,该方法有效提高了分类精度。
In addition, a text classification system based on Vector Space Model is studied and a new method for calculating word weight is proposed.
为了将一般增量学习算法扩展到并行计算环境中,提出一种基于多支持向量机分类器的增量学习算法。
In order to extend common incremental learning algorithms into a parallel computation setting, an incremental learning algorithm with multiple support vector machine classifiers is proposed.
控制器的设计是直接基于称为伪偏导数的向量,伪偏导数是通过新型参数估计算法,根据给出的永磁直流直线电机非线性系统模型的输入输出信息在线导出的。
The design of controller is based directly on pseudo- partial-derivatives (PPD) derived on-line from the input and output information of the system using a novel parameter estimation algorithm.
本文就基于向量的相似度计算方案进行探讨,并论述了相似度在文档分类、聚类、排序与相关性反馈中的应用。
This paper explores vector-based similarity computing scheme, and discusses the application of similarity in class, cluster, ranking and relevance feedback.
针对星球机器人分布计算系统容错的可靠组播通信,提出了一种基于向量时间的原子组组播协议。
An atomic multicast protocol based on vector time is proposed for reliable group communication of distributed computing sys - tem of planetary rover.
针对向量空间模型在文档相似度量方面的局限,提出了基于计算公共子串的文档相似度量算法。
In respect to the limitation of document similarity measuring based on VSM, this paper put forward an algorithm based on public substring of strings.
基于KLT与滑动dct的相似关系,提出了一种新的特征向量自适应递推估计算法。
A new adaptive recursive algorithm for eigenvector estimation based on the relations between KLT and sliding DCT was presented.
我们采用了基于词熵的特征项提取方法,并且使用特征项单词出现频率来表示向量,推导出相应的贝叶斯计算公式。
We adopt a way of attribute selection based on word entropy, use vectors which are represented by word frequency, and deduce its corresponding Bayesian formula.
本文通过对一类涉及到对中断向量表进行操作的计算机病毒作用机理的研究,提出了一种基于免疫理论的计算机病毒检测技术。
According to the research on the computer virus which involves in manipulating interrupt description table (IDT), we present a technology of computer virus detection based on immune theory.
介绍了一个建立在向量空间模型上的电池分类系统,提出了一个基于模糊决策的快速完成识别电池容量和曲线一致性的计算方法。
A cell classify system based on vector space model was introduced and a fast fuzzy based algorithm for recognizing capacity and curve of battery was proposed.
本文首先采用支持向量机方法(SVM)对基于DFT计算结果的180个有机小尺度、中型尺度分子自由能进行了校正。
This paper have three parts. Firstly, support vector machine (SVM) is adopted to correct 180 free energies of small or medium organic molecules based on DFT calculations.
本文给出了基于RGB颜色空间的特征提取方法和特征向量的色差计算方法。
Based on RGB color space, this text gives the method of feature extraction and the method of compute the feature vector.
此外,针对相关向量机回归计算结果受核参数影响较大的问题,本文还提出一种基于微粒群算法的相关向量机核参数自适应优化方法。
In addition, an adaptive kernel relevance vector machine based on PSO is presented to deal with the problem that the regression performance of classical RVM is often influenced by kernel parameters.
该算法基于重复利用核心模块的方式完成波前斜率计算,利用矩阵与向量相乘的可分解性完成波前复原计算。
The algorithm calculated the wave front slope by a reusing core module manner and complemented the wave front reconstruction with the decomposition of matrix-vector multiplication.
针对可靠度计算问题中极限状态函数比较复杂或为隐式的情况,提出了一种基于支持向量回归的响应面可靠度计算方法。
On the complicated or implicit limit state functions in the reliability problems, a response surface method for reliability computation based on Support Vector Regression (SVR) is presented.
给出基于SVM的事件检测算法的工作步骤,设计算法的输入向量。
And this paper provides the incident detection algorithm based on SVM's main workflow, as well as chooses input vectors.
给出基于SVM的事件检测算法的工作步骤,设计算法的输入向量。
And this paper provides the incident detection algorithm based on SVM's main workflow, as well as chooses input vectors.
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