Uses of Package
org.apache.nutch.parse

Packages that use org.apache.nutch.parse
Package
Description
Text document language identifier.
Crawl control code and tools to run the crawler.
The Nutch multi-threaded fetching module
Index content, configure and run indexing and cleaning jobs to add, update, and delete documents from an index.
An indexing plugin for inbound anchor text.
Indexing filter to add document arbitrary data to the index from the output of a user-specified class.
A basic indexing plugin, adds basic fields: url, host, title, content, etc.
Indexing filter to index meta data from RSS feeds.
 
This plugin implements an indexing filter which takes advantage of the GeoIP2-java API.
This plugin implements a dynamic indexing filter which uses JEXL expressions to allow filtering based on the page's metadata
 
Indexing filter to add document metadata to the index.
A more indexing plugin, adds "more" index fields:last modified date, MIME type, content length.
Indexing filter to allow pattern replacements on metadata.
A simple plugin called at indexing that adds fields with static data.
Indexing filter to assign documents to subcollections.
Top Level Domain Indexing plugin.
URL Meta Tag Indexing Plugin
A microformats Rel-Tag Parser/Indexer/Querier plugin.
The Parse interface and related classes.
Parse wrapper to run external command to do the parsing.
Parse RSS feeds.
Parse filter to extract headings (h1, h2, etc.) from DOM parse tree.
An HTML document parsing plugin.
Parser and parse filter plugin to extract all (possible) links from JavaScript files and embedded JavaScript code snippets.
Parse filter to extract meta tags: keywords, description, etc.
Parse various document formats with help of Apache Tika.
Parse ZIP files: embedded files are recursively passed to appropriate parsers.
Adds serialized DOM to parse data, useful for debugging, to understand how the parser implementation interprets a document (not only HTML).
Html Parse filter that classifies the outlinks from the parseresult as relevant or irrelevant based on the parseText's relevancy (using a training file where you can give positive and negative example texts see the description of parsefilter.naivebayes.trainfile) and if found irrelevent it gives the link a second chance if it contains any of the words from the list given in parsefilter.naivebayes.wordlist.
RegexParseFilter.
The ScoringFilter interface.
Scoring filter to stop crawling at a configurable depth (number of "hops" from seed URLs).
Scoring filter used in conjunction with WebGraph.
Metadata Scoring Plugin
Scoring filter implementing a variant of the Online Page Importance Computation (OPIC) algorithm.
 
Implements the cosine similarity metric for scoring relevant documents
URL Meta Tag Scoring Plugin
A segment stores all data from on generate/fetch/update cycle: fetch list, protocol status, raw content, parsed content, and extracted outgoing links.
Miscellaneous tools.
Sample plugins that parse and index Creative Commons metadata.