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Introduction

Edlin is a collection of machine learning algorithms comprising a large number of state-of-the-art methods for classification and sequence tagging. Even though at their core they are general machine-learning approaches (perceptrons, logistic regression), the implementation is optimized for NLP learning tasks:

  • inputs are represented as sparse document-term matrices
  • parallel computation is used whenever possible (in order to deal with very large datasets)
  • specific evaluation metrics such as Precision/Recall/F are being reported
  • appropriate feature selection methods are added in order to reduce dimensionality, etc.

Edlin consists of four sub-projects(Basics, Edlin-Wrapper, Mallet-Wrapper and Feature Extraction). Below find technical details on each of the sub-projects. The source can be found here.

Edlin Basics

The core part of this framework - it contains all implementations algorithms.
They are divided in two general groups - classification and sequence(tagging).

Feature Extraction module

A module for feature extraction.

Edlin-Wrapper(for GATE)

Edlin-Wrapper wraps the algorithms of Edlin, so that they can be used in GATE for multiple information extraction purposes.
The algorithms are wrapped as ProcessingResources and LanguageResources and can be applied directly in a pipeline.
More about [Edlin-Wrapper]

Mallet-Wrapper(for GATE)

Mallet-Wrapper wraps the algorithms of Mallet, so that they can be used in GATE for multiple information extraction purposes.
The algorithms are wrapped as ProcessingResources and LanguageResources and can be applied directly in a pipeline.

Document classification API(DAPI).

Currently not part of Edlin.

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