# Package org.apache.nutch.scoring

package org.apache.nutch.scoring
The `ScoringFilter` interface.

- Related Packages
  Package
  Description
  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.urlmeta
  URL Meta Tag Scoring Plugin
  org.apache.nutch.scoring.webgraph
  Scoring implementation based on link analysis (`LinkRank`), see `WebGraph`.
- Class
  Description
  AbstractScoringFilter
  ScoringFilter
  A contract defining behavior of scoring plugins.
  ScoringFilterException
  Specialized exception for errors during scoring.
  ScoringFilters
  Creates and caches `ScoringFilter` implementing plugins.