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| |
| <chapter id="tools.coref"> |
| <title>Coreference Resolution</title> |
| <para> |
| The OpenNLP Coreference Resolution system links multiple mentions of an |
| entity in a document together. |
| The OpenNLP implementation is currently limited to noun phrase mentions, |
| other mention types cannot be resolved. |
| </para> |
| |
| <para> |
| TODO: Write more documentation about the coref component. Any contributions |
| are very welcome. If you want to contribute please contact us on the mailing list |
| or comment on the jira issue <ulink url="https://issues.apache.org/jira/browse/OPENNLP-48">OPENNLP-48</ulink>. |
| </para> |
| <!-- |
| <section id="tools.coref.implementation"> |
| <title>Implementation</title> |
| <para>The following section gives an overview of the implementation. |
| The process is divided in two steps. First mention which can be linked |
| are identified and in a second step a set of specialized resolvers links them together. |
| </para> |
| |
| <section id="tools.coref.implementation.mention_finding"> |
| <title>Mention Finding</title> |
| <para> |
| </para> |
| </section> |
| |
| <section id="tools.coref.implementation.linking"> |
| <title>Linking</title> |
| <para> |
| Resolvers and linking: |
| The implementation has a dedicated model for different mention |
| categories. |
| These are: |
| Common Nouns |
| Definite Nouns |
| Plural Nouns |
| Plural Pronouns |
| Proper Nouns |
| Singular Pronouns |
| Speech Pronouns |
| |
| - speak about 7 seven different models ... |
| - explain non referential thing |
| - speak about number, gender and similarity |
| - Speak about mention finding |
| |
| </para> |
| </section> |
| </section> --> |
| </chapter> |