/// <summary>
/// Create an event reader based on the specified data reader of the specified type using the specified head rules.
/// </summary>
/// <param name="dataReader">
/// A 1-parse-per-line Penn Treebank Style parse.
/// </param>
/// <param name="rules">
/// The head rules.
/// </param>
/// <param name="eventType">
/// The type of events desired (tag, chunk, build, or check).
/// </param>
public ParserEventReader(SharpEntropy.ITrainingDataReader <string> dataReader, IHeadRules rules, EventType eventType)
{
if (eventType == EventType.Build)
{
mBuildContextGenerator = new BuildContextGenerator();
}
else if (eventType == EventType.Check)
{
mCheckContextGenerator = new CheckContextGenerator();
}
else if (eventType == EventType.Chunk)
{
mChunkContextGenerator = new ChunkContextGenerator();
}
else if (eventType == EventType.Tag)
{
mPosContextGenerator = new POS_ContextGenerator();
}
mHeadRules = rules;
mEventType = eventType;
mDataReader = dataReader;
mEventIndex = 0;
if (dataReader.HasNext())
{
AddNewEvents();
}
else
{
mEvents = new SharpEntropy.TrainingEvent[0];
}
}
public MaximumEntropyPosTagger(int beamSize, SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator, PosLookupList dictionary)
{
mBeamSize = beamSize;
mPosModel = model;
mContextGenerator = contextGenerator;
Beam = new PosBeamSearch(this, mBeamSize, contextGenerator, model);
mDictionary = dictionary;
}
public MaximumEntropyPOSTagger(int beamSize, MaxEntropyModel_Interface model, IPosContextGenerator contextGenerator, Interfaces.PosLookupList dictionary)
{
mBeamSize = beamSize;
mPosModel = model;
mContextGenerator = contextGenerator;
Beam = new PosBeamSearch(this, mBeamSize, contextGenerator, model);
mDictionary = dictionary;
}
public PosEventReader(System.IO.TextReader data, IPosContextGenerator contextGenerator)
{
mContextGenerator = contextGenerator;
mTextReader = data;
string nextLine = mTextReader.ReadLine();
if (nextLine != null)
{
AddEvents(nextLine);
}
}
public PosEventReader(System.IO.TextReader data, IPosContextGenerator contextGenerator)
{
_contextGenerator = contextGenerator;
_textReader = data;
string nextLine = _textReader.ReadLine();
if (nextLine != null)
{
AddEvents(nextLine);
}
}
public PosBeamSearch(MaximumEntropyPosTagger posTagger, int size, IPosContextGenerator contextGenerator, SharpEntropy.IMaximumEntropyModel model, int cacheSize) :
base(size, contextGenerator, model, cacheSize)
{
_maxentPosTagger = posTagger;
}
public MaximumEntropyPosTagger(int beamSize, SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator, PosLookupList dictionary)
{
UseClosedClassTagsFilter = false;
this.BeamSize = beamSize;
this.PosModel = model;
this.ContextGenerator = contextGenerator;
Beam = new PosBeamSearch(this, this.BeamSize, contextGenerator, model);
this.TagDictionary = dictionary;
}
public MaximumEntropyPosTagger(SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator, PosLookupList dictionary) :
this(DefaultBeamSize, model, contextGenerator, dictionary)
{
}
public MaximumEntropyPosTagger(SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator) :
this(DefaultBeamSize, model, contextGenerator, null)
{
}
public PosBeamSearch(MaximumEntropyPosTagger posTagger, int size, IPosContextGenerator contextGenerator, SharpEntropy.IMaximumEntropyModel model, int cacheSize)
: base(size, contextGenerator, model, cacheSize)
{
mMaxentPosTagger = posTagger;
}
public MaximumEntropyPosTagger(int beamSize, SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator, PosLookupList dictionary)
{
mBeamSize = beamSize;
mPosModel = model;
mContextGenerator = contextGenerator;
Beam = new PosBeamSearch(this, mBeamSize, contextGenerator, model);
mDictionary = dictionary;
}
public MaximumEntropyPosTagger(SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator, PosLookupList dictionary)
: this(mDefaultBeamSize, model, contextGenerator, dictionary)
{
}
public MaximumEntropyPosTagger(SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator)
: this(mDefaultBeamSize, model, contextGenerator, null)
{
}
public MaximumEntropyPOSTagger(MaxEntropyModel_Interface model, IPosContextGenerator contextGenerator, Interfaces.PosLookupList dictionary) : this(mDefaultBeamSize, model, contextGenerator, dictionary)
{
}
public MaximumEntropyPOSTagger(MaxEntropyModel_Interface model, IPosContextGenerator contextGenerator) : this(mDefaultBeamSize, model, contextGenerator, null)
{
}
public MaximumEntropyPosTagger(int beamSize, SharpEntropy.IMaximumEntropyModel model, IPosContextGenerator contextGenerator, PosLookupList dictionary)
{
UseClosedClassTagsFilter = false;
this.BeamSize = beamSize;
this.PosModel = model;
this.ContextGenerator = contextGenerator;
Beam = new PosBeamSearch(this, this.BeamSize, contextGenerator, model);
this.TagDictionary = dictionary;
}
