NumWordsRulesClassifier (webcontent-grabber 1.0.0 API)

java.lang.Object
- de.l3s.boilerpipe.filters.english.NumWordsRulesClassifier

All Implemented Interfaces:

BoilerpipeFilter
```
public class NumWordsRulesClassifier
extends java.lang.Object
implements BoilerpipeFilter
```
Classifies TextBlocks as content/not-content through rules that have been determined using the C4.8 machine learning algorithm, as described in the paper "Boilerplate Detection using Shallow Text Features" (WSDM 2010), particularly using number of words per block and link density per block.

Field Summary

Fields
Modifier and Type Field Description

static NumWordsRulesClassifier INSTANCE

Constructor Summary

Constructors
Constructor Description

NumWordsRulesClassifier()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected boolean`	`classify(TextBlock prev, TextBlock curr, TextBlock next)`
`static NumWordsRulesClassifier`	`getInstance()`	Returns the singleton instance for RulebasedBoilerpipeClassifier.
`boolean`	`process(TextDocument doc)`	Processes the given document `doc`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final NumWordsRulesClassifier INSTANCE

Constructor Detail
- NumWordsRulesClassifier
```
public NumWordsRulesClassifier()
```

Method Detail
- getInstance
```
public static NumWordsRulesClassifier getInstance()
```
  Returns the singleton instance for RulebasedBoilerpipeClassifier.
- process
```
public boolean process(TextDocument doc)
                throws BoilerpipeProcessingException
```
  Description copied from interface: BoilerpipeFilter
  
  Processes the given document doc.
  
  Specified by:
  
  process in interface BoilerpipeFilter
  
  Parameters:
  
  doc - The TextDocument that is to be processed.
  
  Returns:
  
  true if changes have been made to the TextDocument.
  
  Throws:
  
  BoilerpipeProcessingException
- classify
```
protected boolean classify(TextBlock prev,
                           TextBlock curr,
                           TextBlock next)
```