Revision: 19350
http://sourceforge.net/p/gate/code/19350
Author: markagreenwood
Date: 2016-05-25 08:01:21 +0000 (Wed, 25 May 2016)
Log Message:
-----------
first cut of documentation for GATE-Time
Modified Paths:
--------------
userguide/branches/release-8.2/misc-creole.tex
userguide/branches/release-8.2/recent-changes.tex
Modified: userguide/branches/release-8.2/misc-creole.tex
===================================================================
--- userguide/branches/release-8.2/misc-creole.tex 2016-05-25 01:21:54 UTC
(rev 19349)
+++ userguide/branches/release-8.2/misc-creole.tex 2016-05-25 08:01:21 UTC
(rev 19350)
@@ -3646,3 +3646,99 @@
application, as it is not possible to provide this in an easily portable way.
See Section \ref{sec:misc-creole:wn} for details of how to load WordNet into
GATE.
+
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\sect[sec:misc-creole:gate-time]{GATE-Time}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+This plugin provides a number of components and applications for annotating
time
+related information and events within documents.
+
+\subsect{DCTParser}
+If processing news (news-style and also colloquial) documents, it is important
+that later components (based around HeidelTime) know the document creation time
+(DCT) of the documents.
+
+Note that it is not the time when the documents have been loaded into GATE.
+Instead, it is the time when the document was written, e.g., when a news doc-
+ument was published. To provide the DCT of a document / all documents in
+the corpus, the DCTParser can be used. It can be used in two ways:
+
+\begin{itemize}
+\item to parse the DCT out of TimeML-style xml documents, e.g., the corpora
+TempEval-3 TimeBank, TempEval-3 Aquaint, and TempEval-3 platinum
+contain DCT information in this format. (cf. very last section)
+\item to manually set the DCT for a document or a full corpus.
+\end{itemize}
+
+%It might make sense to add further parsing formats to DCTParser, e.g.,
+%that the dct can be parsed out of a document’s name (e.g., if the documents
+%in a corpus are named like “NYT-20100910-article1.txt” and “NYT-20100911-
+%article1.txt”).
+It is crucial to know that if a corpus contains many documents,
+then, the documents typically have differing DCTs. Currently, the DCT can
+only be parsed if it is available in TimeML-style format, or it can be manually
+provided for the document or the full corpus. If HeidelTime processes news doc-
+uments with wrong DCT information, relative and underspecified expressions
+will, of course, be normalized incorrectly.
+If the documents that are to be processed are narrative documents (e.g.,
+Wikipedia documents), no document creation time is required. The HeidelTime
+GATE wrapper can handle this automatically if the domain of the HeidelTime
+component is set to “narratives” (see next section).
+
+The DCTParser is configured through the following runtime parameters:
+\begin{itemize}
+\item[dctParsingFormat] timeml or manualdate
+\item[inputASName] name of the annotation set where DCT is stored
+\item[manuallySetDct] if format is set to “manualdate”, the user can set a date
+manually and this date is stored as DCT by DCTParser
+\item[outputASName] name of annotation set for output
+\end{itemize}
+
+\subsect{HeidelTime}
+HeidelTime can be used for many languages and four domains (in partic-
+ular news and narrative, but also colloquial and autonomic for English – see
+Heideltime standalone Manual). Note that HeidelTime can perform linguistic
+preprocessing for all the languages if respective tools are installed
correctly and
+configured correctly in the config.props file.
+
+If processing HeidelTime narrative-style documents, it is not important that
+DCT information is available for the documents. If news-style (and colloquial)
+documents are processed, then DCT information is crucial and processing fails,
+if no DCT information is available. For this, creationDateAnnotationType has
+to contain information about the DCT annotation (see above).
+
+HeidelTime can be used in such a way that the linguistic preprocessing is
+performed internally. For this further tools have to be set-up and
+the parameter doPreprocessing has to be set to ’true’. In this case, some other
+parameters are ignored (about Sentence, Token, POS).
+If other preprocessing annotations shall be used (e.g., those of ANNIE) then
+doPreprocessing has to be set to ’false’ and the other parameters (about Sen-
+tence, Token, POS) have to be provided correctly.
+
+HeidelTime’s is configured via three init parameters:
+different models have to be loaded depending on language and domain).
+
+\begin{itemize}
+\item[configFile] the location of the config.props file
+\item[documentType] narratives, news, colloquial, or scientific
+\item[language] english, german, dutch, .......
+\end{itemize}
+
+and the following runtime parameters:
+
+\begin{itemize}
+\item[creationDateAnnotationType] if DCTParser is used to set the DCT, then
+the value is “DCT”
+\item[doPreprocessing] set to false to use existing annotations, true if you
want HeidelTime to pre-process the document
+\item[inputASName] name of annotation set, where token, sentence, pos
information are stored (if any)
+\item[outputASName] name of annotation set for output
+\item[posAnnotationNameAsTokenAttribute] name of the `part-of-speech'
attribute of the `Token' annotations (if using ANNIE, this is `category')
+\item[sentenceAnnotationType] name of the `Sentence' annotation (if using
ANNIE, this is `Sentence')
+\item[tokenAnnotationType] name of the `Token' annotation (if using ANNIE,
this is `Token')
+\end{itemize}
+
+\subsect{TimeML Event Detection}
+
+The plugin also contains a ``Ready Made'' application for detecting TimeML
based events.
Modified: userguide/branches/release-8.2/recent-changes.tex
===================================================================
--- userguide/branches/release-8.2/recent-changes.tex 2016-05-25 01:21:54 UTC
(rev 19349)
+++ userguide/branches/release-8.2/recent-changes.tex 2016-05-25 08:01:21 UTC
(rev 19350)
@@ -21,6 +21,10 @@
\rcSect[next]{Next Release}
+\rcSubsect{May 2016}
+Added the \verb!Tagger_GATE-Time! plugin which wraps HeidelTime and provides a
TimeML event detection app. See
+section~\ref{sec:misc-creole:gate-time} for more details.
+
\rcSubsect{April 2016}
Added \verb!Lang_Welsh! plugin, providing a Welsh language named entity
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