# Uses of Package
org.apache.nutch.crawl

- Packages that use org.apache.nutch.crawl
  Package | Description
  --- | ---
  org.apache.nutch.analysis.lang | Text document language identifier.
  org.apache.nutch.crawl | Crawl control code and tools to run the crawler.
  org.apache.nutch.fetcher | The Nutch multi-threaded fetching module
  org.apache.nutch.hostdb |
  org.apache.nutch.indexer | Index content, configure and run indexing and cleaning jobs to add, update, and delete documents from an index.
  org.apache.nutch.indexer.anchor | An indexing plugin for inbound anchor text.
  org.apache.nutch.indexer.arbitrary | Indexing filter to add document arbitrary data to the index from the output of a user-specified class.
  org.apache.nutch.indexer.basic | A basic indexing plugin, adds basic fields: url, host, title, content, etc.
  org.apache.nutch.indexer.feed | Indexing filter to index meta data from RSS feeds.
  org.apache.nutch.indexer.filter |
  org.apache.nutch.indexer.geoip | This plugin implements an indexing filter which takes advantage of the GeoIP2-java API.
  org.apache.nutch.indexer.jexl | This plugin implements a dynamic indexing filter which uses JEXL expressions to allow filtering based on the page's metadata
  org.apache.nutch.indexer.links |
  org.apache.nutch.indexer.metadata | Indexing filter to add document metadata to the index.
  org.apache.nutch.indexer.more | A more indexing plugin, adds "more" index fields:last modified date, MIME type, content length.
  org.apache.nutch.indexer.replace | Indexing filter to allow pattern replacements on metadata.
  org.apache.nutch.indexer.staticfield | A simple plugin called at indexing that adds fields with static data.
  org.apache.nutch.indexer.subcollection | Indexing filter to assign documents to subcollections.
  org.apache.nutch.indexer.tld | Top Level Domain Indexing plugin.
  org.apache.nutch.indexer.urlmeta | URL Meta Tag Indexing Plugin
  org.apache.nutch.metadata | A Multi-valued Metadata container, and set of constant fields for Nutch Metadata.
  org.apache.nutch.microformats.reltag | A microformats Rel-Tag Parser/Indexer/Querier plugin.
  org.apache.nutch.protocol | Classes related to the `Protocol` interface, see also `org.apache.nutch.net.protocols`.
  org.apache.nutch.protocol.file | Protocol plugin which supports retrieving local file resources.
  org.apache.nutch.protocol.ftp | Protocol plugin which supports retrieving documents via the ftp protocol.
  org.apache.nutch.protocol.htmlunit | Protocol plugin which supports retrieving documents via HTTP/HTTPS using Selenium and the HtmlUnitDriver web driver for the for the HtmlUnit headless browser.
  org.apache.nutch.protocol.http | Protocol plugin which supports retrieving documents via the http protocol.
  org.apache.nutch.protocol.http.api | Common API used by HTTP plugins (`http`, `httpclient`, etc.)
  org.apache.nutch.protocol.httpclient | Protocol plugin which supports retrieving documents via the HTTP andHTTPS protocols, optionally with Basic, Digest and NTLM authentication schemes for web server as well as proxy server.
  org.apache.nutch.protocol.interactiveselenium | Protocol plugin which supports retrieving documents using and interacting with Selenium.
  org.apache.nutch.protocol.okhttp | Protocol plugin for HTTP/HTTPS based on okhttp, supports HTTP 1.1 and/or http/2.
  org.apache.nutch.protocol.selenium | Protocol plugin which supports retrieving documents via Selenium.
  org.apache.nutch.scoring | The `ScoringFilter` interface.
  org.apache.nutch.scoring.depth | Scoring filter to stop crawling at a configurable depth (number of "hops" from seed URLs).
  org.apache.nutch.scoring.link | Scoring filter used in conjunction with `WebGraph`.
  org.apache.nutch.scoring.metadata | Metadata Scoring Plugin
  org.apache.nutch.scoring.opic | Scoring filter implementing a variant of the Online Page Importance Computation (OPIC) algorithm.
  org.apache.nutch.scoring.orphan | Scoring filter to modify score or status of orphaned pages (no inlinks found for a configurable amount of time).
  org.apache.nutch.scoring.similarity |
  org.apache.nutch.scoring.similarity.cosine | Implements the cosine similarity metric for scoring relevant documents
  org.apache.nutch.scoring.urlmeta | URL Meta Tag Scoring Plugin
  org.apache.nutch.scoring.webgraph | Scoring implementation based on link analysis (`LinkRank`), see `WebGraph`.
  org.apache.nutch.segment | A segment stores all data from on generate/fetch/update cycle: fetch list, protocol status, raw content, parsed content, and extracted outgoing links.
  org.apache.nutch.tools | Miscellaneous tools.
  org.apache.nutch.tools.warc | Tools to import / export between Nutch segments and WARC archives.
  org.apache.nutch.util | Miscellaneous utility classes.
  org.creativecommons.nutch | Sample plugins that parse and index Creative Commons metadata.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.analysis.lang
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.crawl
  Class | Description
  --- | ---
  AbstractFetchSchedule | This class provides common methods for implementations of `FetchSchedule`.
  AdaptiveFetchSchedule | This class implements an adaptive re-fetch algorithm.
  CrawlDatum |
  FetchSchedule | This interface defines the contract for implementations that manipulate fetch times and re-fetch intervals.
  Generator.SelectorEntry |
  Inlink | An incoming link to a page.
  Inlinks | A list of `Inlink`s.
  NutchWritable |
  Signature |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.fetcher
  Class | Description
  --- | ---
  CrawlDatum |
  NutchWritable |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.hostdb
  Class | Description
  --- | ---
  CrawlDatum |
  NutchWritable |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.
  NutchWritable |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.anchor
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.arbitrary
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.basic
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.feed
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.filter
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.geoip
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.jexl
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.links
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.metadata
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.more
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.replace
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.staticfield
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.subcollection
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.tld
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.indexer.urlmeta
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.metadata
  Class | Description
  --- | ---
  NutchWritable |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.microformats.reltag
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.file
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.ftp
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.htmlunit
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.http
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.http.api
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.httpclient
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.interactiveselenium
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.okhttp
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.protocol.selenium
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.depth
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.link
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.metadata
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.opic
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.orphan
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.similarity
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.similarity.cosine
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.urlmeta
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.scoring.webgraph
  Class | Description
  --- | ---
  NutchWritable |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.segment
  Class | Description
  --- | ---
  CrawlDatum |
  NutchWritable |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.tools
  Class | Description
  --- | ---
  Generator.SelectorEntry |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.tools.warc
  Class | Description
  --- | ---
  NutchWritable |

- Classes in org.apache.nutch.crawl used by org.apache.nutch.util
  Class | Description
  --- | ---
  CrawlDatum |

- Classes in org.apache.nutch.crawl used by org.creativecommons.nutch
  Class | Description
  --- | ---
  CrawlDatum |
  Inlinks | A list of `Inlink`s.