您要查找的是不是：
- expression space model 表情空间模型
- We present an EVP address space model for the information grid. 针对此问题,本文提出了一个EVP信息网格地址空间模型。
- The feature selection of traditional text categorization takes the word as unit,and establish vector space model to express all the documents according to the features weighting. 传统的文本分类的特征选择都是以词为单位,根据计算特征词的权重建立向量空间模型,进而表示所有文档。
- Keywords: VBARX, system identification, state space model, modal parameters. 关键词：VBARX、系统识别、状态空间、模态参数。
- First, it is assumed that the polytope exists in the system matrix, input matrix and measure matrix of the stale space model. 首先，假定多胞型不确定参数存在于状态空间模型的系统矩阵、输入矩阵和量测矩阵中。
- Compared with the vector space model, the probability model is more effective on describing a users interests. 对比实验表明,概率模型比矢量空间模型更好地表达了用户的兴趣和变化。
- Strand space model is a new formal analysis tool to the analysis of cryptogram protocol. 串空间模型是一种新兴的密码协议形式化分析工具。
- Through the vector space model, text clustering, genetic algorithms to try a new method summary of the text. 通过空间向量模型、文本聚类、遗传算法等成熟的技术尝试一种新的文本摘要方法。
- We propose a text vector space model (VSM) based on suffix tree and implement a text categorizing system on the model. 摘要本文在面向网络内容分析的前提下，提出了一种基于后缀树的文本向量空间模型(VSM)，并在此模型之上实现了文本分类系统。
- This paper introduces a text clustering method based on VSM (vector space model). 摘要研究了一种基于向量空间模型的文档聚类方法。
- In the paper, a method is proposed based on vector space model making use of the structure to effectively retrieve HTML document. ? 应用了向量空间信息检索方法,扩展了传统的信息检索,利用HTML文档结构提高了在WWW环境下的检索效率。
- Using lifting techniques, a linear time-invariant state space model of multirate digital control systems is constructed at first. 首先利用提升技术，构造出多采样率数字控制系统的线性时不变状态空间模型。
- 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。
- The algorithm utilized VSM (vector space model) to represent users' interests and resources, calculated recommended degree by cosine similarity. 该算法采用矢量空间模型作为用户兴趣和资源描述模型，使用余弦相似度计算资源推荐度；
- The input-output difference equation model of MIMO and the state space model can easily be transform one from to the other. 证明了多变量输入-输出差分方程模型与其对应的标准状态空间模型可以经变换而由一种模型得到另一种模型。
- In view of the defect,a method of Chinese text categorization based on the word vector space model is presented in this paper. 针对这一不足,该文提出基于词向量空间模型的文本分类方法。
- Through analyzing the dynamic characteristics of Electrical Power Steering (EPS) system, the mathematical model and state space model were established. 通过对电动助力转向系统进行动力学分析，建立了系统的数学模型和状态空间模型。
- In information retrieval systems based on the vector space model, the TF-IDF scheme is widely used to characterize documents. 摘要在基于向量空间模型的信息检索系统中，TF-IDF算法被广泛的应用在基于关键字的信息检索中。
- An expression of pain flitted across her face. 她脸上闪过一种痛苦的表情。
- He always shows a doleful expression. 他总是露出忧郁的表情。
