查询词典 Boolean calculation

Firstly, The paper introduce two filtering model --Boolean model and Vector Space model.

本文在略述了信息过滤技术的产生背景后，介绍了两种比较常用的信息过滤模型--布尔逻辑模型和向量空间模型。

The three classic models in information retrieval are called Boolean, vector, and probabilistic.

信息检索的三个经典模型分别是：布尔模型、向量模型和概率模型。

In providing document retrieval services. Then, we give a design of document collection based on DBMS to support both Boolean Model and Vector Space Model.

联机文档检索服务是当今和未来的图书馆用户对图书馆信息服务所提出的一种自然而紧迫的要求。

At first, the template is defined with Boolean vector space. The relationship between a template and an LC permutation is given.

首先，用布尔向量空间表示模板，并指出模板与LC置换的对应关系。

According to the varied kinds of the retrieve models in the course of the design and our practical situation,we put forward a new information retrieve system combining the Boolean logical model and the Vector Space retrieve model,which is named extended weighting vector space retrieve model.

在系统的设计实现过程中，我们根据上文提到的不同检索模型，结合我们的实际情况，提出了一种结合布尔逻辑模型和空间向量模型的新的检索系统，即扩展的加权向量空间检索模型。

After the discussion of the organization and data access of the data,the paper presents some pop kinds of information retrieve models nowadays,such as Boolean logical model,Vector Space retrieve model and Probability retrieve model.

在讨论了分布式环境中的数据组织和访问后，本文又具体讨论了现今几种主要的信息检索模型：布尔逻辑模型，向量空间模型，以及概率模型等。

The article will mine Data-Item set compression to a Boolean Vector Matrix.The algorithm only needs to scan the database one time and rational use of data storage structure so that it would not generate a large number of candidate sets.

将挖掘的数据事务集压缩到一个布尔型向量矩阵中，只需扫描数据库一次，合理利用数据存储结构，且不会产生大量的候选集。

The generalized Walsh spectral characteristics and the generalized auto-correlation function characteristics of orthormophic permutations are studied by using of knowledge about the relation between orthomorphic permutations and vector Boolean functions.

运用向量布尔函数的知识研究了正形置换的广义一阶Walsh谱特征和广义自相关函数的特征，通过正形置换的广义一阶Walsh谱特征给出了正形置换的几种构造方法。

Generalized ε- correlation Immune Boolean Vector Functions ...

定理1 告诉我们布尔向量函数具有m 阶广义ε相关免疫性的一个必要条件是它各分量函数的。。。。。

The concepts of weighted α-lower product and weighted α-upper product between a relation matrix and a Boolean column vector are presented in weighted approximation space.

在加权近似空间中提出了关系矩阵和布尔列向量加权α下乘法和加权α上乘法的概念。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。