| Performs coreference resolution for several types of coreference, excluding person mentions and some rare pronouns. |
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| Most basically, the output of this module will be several data types added to |
| the CAS representing the output of the system. These types are as follows: |
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| Markable - Subtyped into NEMarkable (Named entities), PronounMarkable (pronouns), |
| and DemMarkable (certain demonstrative and relative pronouns), these are automatically |
| discovered and taken as input to the coreference resolution algorithm. These are types |
| required above the SHARP types for entities due to some special considerations with |
| span differences and differing type inheritances. |
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| CoreferenceRelation - A type containing two Markables that are believed to |
| co-refer. A CoreferenceRelation has two arguments of type RelationArgument, |
| with a role field containing a value of either "anaphor" or "antecedent." There |
| is also an "argument" field which contains the Markable fulfilling the role. |
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| CollectionTextRelation - A linked list containing chains of Annotations that the classifier |
| says refer to the same entity. This is derived from the set of CoreferenceRelation |
| elements described above. It contains a list of UIMA type NonEmptyFSList, as well |
| as a size field. For singletons there are lists of length 1. For actual chains |
| the size will be different, and each node in the list is of type NonEmptyFSList. |
| That type has a head and tail field. The head points to the data for the node, |
| which is a Markable, and the tail points to the next element in the list, or |
| to a node of type EmptyFSList when the chain is complete. |
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