纳奇 2.2.1 &HBase - 我可以在 nutch-site.xml 中创建一个新属性吗 [英] Nutch 2.2.1 & HBase - Can I create a new property in nutch-site.xml

问题描述

我想使用 Nutch 2.2.1 开发一个主题网络机器人.我想用一些主题关键字创建一个新属性，如下所示:

I wanna develop a topical web robot using Nutch 2.2.1. And I wanna create a new property with some topic keywords,like following:

<property>
    <name>html.metatitle.keys</name>
    <value>movie,actor,firm</value>
    <description>
    </description>
</property>

推荐答案

有两种不同的解决方案可以解决您的问题:

There are two different solutions available for your problem:

1. 实现自定义的HtmlParseFilter 插件来过滤页面根据您想要的关键字.有关 Nutch 的更多信息扩展点和为 Nutch 编写自定义插件看看在这些手册中:

1. Implementing a customized HtmlParseFilter plugin to filter pages based on your desired keywords. For more information about Nutch extension points and writing customized plugin for Nutch take a look at these manuals:

http://wiki.apache.org/nutch/AboutPlugins

http://wiki.apache.org/nutch/WritingPluginExample

使用索引器根据所需关键字过滤文档；但是，如果您有索引器，则此解决方案可用系统设计架构.在这种情况下，Apache Solr 可以帮助您用于在索引之前过滤文档.在这里你必须实现定制的 UpdateRequestProcessor.有关更多信息Solr 及其扩展点看看这些页面:

Using an indexer to filter documents based on desired keywords; However, this solution is available if you have indexer in your system design architecture. In this case Apache Solr could help you for filtering documents before indexing. Here you have to implement a customized UpdateRequestProcessor. For more information about Solr and its extension points take a look at these pages:

https://wiki.apache.org/solr/FrontPage

https://wiki.apache.org/solr/UpdateRequestProcessor

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