编写回调方法，从XML文档中提取信息。
Write callback methods to fetch the information from an XML document.
该提取文件显示包含提取信息的储存库对象。
The extract file shows the repository object where the extraction information is contained.
正则表达式通过捕获来提取信息。
使用模式从文本中提取信息：示例。
Extracting information from text using patterns: an example.
使用字典从文本中提取信息：示例。
Extracting information from text using dictionaries: An example.
创作业务文档通常始于从各种各样的源提取信息。
Authoring business documents often begins with pulling in information from a variety of sources.
提取信息。
不能在数据上执行查询，或者对内容进行迭代来提取信息。
You cannot perform a query over the data or iterate over the contents to extract information.
XMLQUERY用来从XML数据中提取信息。
文本挖掘就是用于从文本中提取信息的数据挖掘技术。
Text mining is data mining applied to information extracted from text.
当从URL中提取信息时，参数值会在多种情况下使用。
A parameter value is used in many situations when information is extracted from the URL.
使用XQuery从XML参数或变量中提取信息
Using XQuery to extract information from the XML parameters or variables
显然，如果要从uml模型中提取信息，应该能在其他某个地方使用。
Obviously, if you take information away from the UML model, you need to make it available somewhere else.
这项计算技术通过挤压计算机的表面使其变形，来提取信息和移动对象。
This computing technology lets the user squeeze out information or put objects in motion by deforming the surface of the computer.
例如，产品描述页面可能会从电子商务目录数据库中提取信息。
For example, a product description page might draw information from your e-commerce catalog database.
但是我们如何从已有的社交网络中提取信息来提升公共健康水平呢？
But how do we extract information from existing social networks to improve public health?
所有的xen管理工具在提取信息时都需要与xenddaemon交互。
All of the xen management tools communicate with the xend daemon to extract information.
本教程还展示如何使用标量函数从date列计算和提取信息，例如星期几和月份。
This tutorial also shows how to use scalar functions to calculate and extract date information, such as day of week and month name, from date columns.
此时，我们只需一个脚本来清除文本、提取信息、并导出所需的XML就大功告成了。
At this point, you just need a script that cleans up the text, extracts the information, outputs the required XML, and you are done.
例如，您可以从数据库提取信息，并使用实体bean在事务处理期间高速缓存数据。
For example, you can pull information from a database and use an entity bean to cache the data for the duration of a transaction.
一个常见的场景是攻击者打电话给购物者，假装是购物者所访问站点的代表，并且提取信息。
A common scenario is that the attacker calls the shopper, pretending to be a representative from a site visited, and extracts information.
指定DataStage用于从输入XML数据提取信息的XPath表达式(见图12)。
Specify the XPath expressions that DataStage should use to extract information from the input XML data (shown in Figure 12).
指定DataStage用于从输入XML数据提取信息的XPATH表达式(见图11)。
Specify the XPATH expressions that DataStage should use to extract information from the input XML data (shown in Figure 11).
构建了家庭模型后，我们看一下如何使用Jena的查询api从模型中提取信息。
With the family model built, let's see how information can be extracted from it using Jena's query API.
虽然每种单独的格式都有各自的软件库来解析和提取信息，但却无法将不同的格式联系在一起。
Separate software libraries emerged to parse and extract each of the individual formats, but there was nothing to intrinsically connect the different formats together.
通过为浏览器生成XHTML5，其他人会很容易从您的网站和应用程序中提取信息。
By producing XHTML5 for browsers, you make it easier for others to extract information from your websites and applications.
S3给开发者提供了一个类似基本哈希表的最简化的API，它允许你轻松地存储和提取信息。
For developers, S3 offers a minimalistic API that resembles a basic hashtable - allowing you to easily store and retrieve information.
清单3.bloginfo . py中实现从FOAFblog清单提取信息的代码。
Listing 3. Extract from the FOAF blog list processing code in bloginfo.py.
这两种方法可以说是从文本提取信息的最常用方法，但在很多情况下这两种方法还不能解决问题。
These are arguably the two most common approaches to extracting information from text, but there are many cases that these two approaches do not cover.
这个简单的应用程序仅仅输出所接收到的消息，但是您可以同样简单地从XML文档中提取信息。
This simple application just outputs the received message, but you can just as easily extract the information from the XML document.
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