At present there are the Boolean model, the vector space model, the probabilistic model and distorted model of the above three classic models.
目前已有的检索模型有布尔模型、向量模型、概率模型以及以上三个经典模型的变形模型。
This paper uses the Vector Space Model to express the features of event description segment and calculate the importance of feature words in different classes.
使用向量空间模型来表示事件描述片段的特征，并分类计算特征词的重要度，最后对文本中的事件片段进行定位和分类。
In this paper, two novel algorithms are introduced, which employ the vector space model and random walk model to address the drawbacks above and make the results more semantical.
本文提出了两个新的图上关键字搜索算法，使用了现代信息检索技术中的向量空间模型和随机游走模型来解决以上缺陷，使得查询结果更具语义信息。
Computing the semantic similarity of sentences by the method of cosine, eigenvalue come from the skeleton semantic clip, and the semantics of sentence expressed the vector space model.
用骨架语片做特征项，用空间向量模型表示文本语义，用语片的出现频度做语片权重，用余弦法计算文本间语义相似度。
It introduces the method of the text auto-categorization, briefly describes the vector space model expression, and finally gives training arithmetic and categorization arithmetic of the text.
本文介绍了文本自动分类的研究方法，文本的向量空间模型表示。并给出了文档的训练算法和分类算法。
This paper introduces the design and implementation of the Chinese text categorizer based on the fuzzy recognition and the extraction of the characteristic vector with the vector space model.
介绍了一种基于模糊模式识别以及向量空间模型提取特征向量的中文文本分类器的设计与实现。
This paper gives the details of the building of the Vector Space Model based on the semantics. The experiments are carried on the system based on the semantics and the system based on the lemma.
对基于语义的向量空间模型的生成步骤做了详细的论述，对基于语义的和基于词形的两种分类系统的性能做了比较实验。
Based on the analysis of the deficiency of the traditional vector space retrieval model, the file structure based vector space retrieval model is presented.
分析了传统向量空间检索模型在网络信息检索中的不足，给出了基于文档结构的向量空间检索模型。
In the model, using APEX network extracts classification information and condenses vector space dimensions, making use of feedforward network establishes the classification recognition function.
在诊断模型中，应用APEX网络提取分类信息，压缩向量空间维数，利用前馈网络建立其类型识别函数。
Since this sedimentary facies model consists of points in the vector space, zonation can be made according to the principle of "shortest distance" between vector points.
这种沉积相模型为矢量空间上的点，可以按矢量点之间的最短距离原则分层。
The mathematical model of three-phase asynchronous motor in rotating coordinate system is established, and PWM technology of space vector is discussed.
建立了三相异步电动机在旋转坐标系下的数学模型，论述了空间矢量脉宽调制技术原理。
On the basis of the mathematical model of induction machine, simplified mathematical model is deduced, at the same time the theory of DTC is introduced with the concept of space vector.
本文从异步电机的数学模型出发，推导了异步电机简化数学模型，同时结合空间矢量的概念介绍了直接转矩的基本原理。
The experimental result shows that the performance of simple SLM-CIR model should be superior to simple vector space models and probability models.
实验结果表明：简单的SLM-CIR模型的性能要优于简单的向量空间模型和概率模型。
We bring forward a hybrid model that is based on a combination of keywords and concept. The hybrid model is built on vector space model and probabilistic reasoning network.
本文在向量空间模型和概率推理网络的基础上提出了一个基于关键词与概念相结合的混合信息检索模型。
The paper gives same linear relation proposition and argument among vector groups in the vector space, and USES proposition to solve simple model problematic calculation in the vector space.
给出了向量空间中向量组间相同线性关系的命题与证明，并用命题简捷解决了向量空间典型问题的计算。
Aimed at the problems of document automatic classification, a classification method is proposed based on fuzzy vector space model and RBF network.
针对文本自动分类问题，提出了一种基于模糊向量空间模型和径向基函数网络的分类方法。
A new approach of email classification based on the concept vector space model was proposed.
提出了一个基于概念向量空间模型的电子邮件分类方法。
Research on the key techniques and typical methods of text categorization are being done, and the method of text categorization based on word vector space model is presented in the dissertation.
本文对文本分类的关键技术及典型分类方法进行了研究，提出基于词向量空间模型的文本分类方法。
The paper provides some improving measures, and gives a model of active pushing system based on vector space model, which can better improve the efficiency of Web information retrieval.
本文提出了一系列优化措施，设计了一个基于向量空间模型的主动推送系统原型，更好的满足网上信息检索效率的提高。
We set up document feature vectors and user interest vector, and do their correlation calculation by using vector space model, finally return the interested results for the user.
分别构建文档特征向量和用户兴趣向量，运用向量空间模型对其做相关性计算，返回用户感兴趣的检索结果。
This paper analogy the selection of voltage space vector and the flux linkage estimate model of the direct torque control system of PMSM, and the realizing project of the system.
文章分析了永磁同步电机直接转矩控制系统的电压空间矢量选择和磁链估计模型，并提出了系统的实现方案。
With an analysis of the deficiencies of the traditional bibliographic query system, this paper puts forward a library bibliographic query system based on vector space model.
通过对传统的书目查询系统弊端的分析，设计了一种基于向量空间模型的图书馆书目查询系统，并介绍了该系统的详细设计与实现过程。
In the most categorization algorithms, the text or document is always represented using Vector Space Model.
纲后长数文本开类方式都非以背量空间模型为基本的。
The user model is expressed in form of vector space model. It's built using centroid-based classification method.
基于向量空间模型表示用户模型，采用重心向量分类算法建立用户模型。
Therefore, by some analysis, the combination of classification based on vector space model and which based on semantic is one of the best solutions to this problem.
本文通过认真分析，认为在基于向量空间模型的分类方法中可以适当地借鉴基于语义的分类方法中的权重设置方法。
This article discussed the algorithms of literature filtering based on vector space model (VSM) and other improved models.
本文从理论上探讨了向量空间模型及其改进模型在专题文献过滤中的相关算法。
At last, we also employ the classic Vector Space Model to classify the documents.
最后，我们使用经典的向量空间模型来实现文档的分配。
The first algorithm is based on random walk with restart model, which modifies the model to support vector space model.
基于重启型随机游走的图上关键字搜索算法，在重启型随机游走模型的基础上加入了向量空间模型。
The first algorithm is based on random walk with restart model, which modifies the model to support vector space model.
基于重启型随机游走的图上关键字搜索算法，在重启型随机游走模型的基础上加入了向量空间模型。
应用推荐