public TextRankExtractor()
{
Span = 5;
Segmenter = new JiebaSegmenter();
PosSegmenter = new PosSegmenter(Segmenter);
SetStopWords(ConfigManager.StopWordsFile);
if (StopWords.IsEmpty())
{
StopWords.UnionWith(DefaultStopWords);
}
}
/// <summary>
/// 文本排序
/// </summary>
public TextRankExtractor()
{
Span = 5;
Segmenter = new Segmenter();
PosSegmenter = new PosSegmenter(Segmenter);
StopWords = Dict.StopWords;
if (StopWords.IsEmpty())
{
StopWords.UnionWith(DefaultStopWords);
}
}
public TfidfExtractor()
{
Segmenter = new JiebaSegmenter();
PosSegmenter = new PosSegmenter(Segmenter);
SetStopWords(ConfigManager.StopWordsFile);
if (StopWords.IsEmpty())
{
StopWords.UnionWith(DefaultStopWords);
}
Loader = new IdfLoader(DefaultIdfFile);
IdfFreq = Loader.IdfFreq;
MedianIdf = Loader.MedianIdf;
}
public TfidfExtractor(JiebaSegmenter segmenter = null)
{
Segmenter = segmenter.IsNull() ? new JiebaSegmenter() : segmenter;
PosSegmenter = new PosSegmenter(Segmenter);
//SetStopWords(ConfigManager.StopWordsFile);
SetFromResources();
if (StopWords.IsEmpty())
{
StopWords.UnionWith(DefaultStopWords);
}
//Loader = new IdfLoader(DefaultIdfFile);
Loader = new IdfLoader();
Loader.LoadFromResources();
IdfFreq = Loader.IdfFreq;
MedianIdf = Loader.MedianIdf;
}
/// <summary>
/// TF-IDF
/// </summary>
/// <param name="segmenter"></param>
public TfidfExtractor(Segmenter segmenter = null)
{
if (segmenter.IsNull())
{
Segmenter = new Segmenter();
}
else
{
Segmenter = segmenter;
}
PosSegmenter = new PosSegmenter(Segmenter);
StopWords = Dict.StopWords;
if (StopWords.IsEmpty())
{
StopWords.UnionWith(DefaultStopWords);
}
Loader = new IdfLoader();
IdfFreq = Loader.IdfFreq;
MedianIdf = Loader.MedianIdf;
}
public TfidfExtractor(JiebaSegment segment = null)
{
if (segment.IsNull())
{
Segment = new JiebaSegment();
}
else
{
Segment = segment;
}
PosSegmenter = new PosSegmenter(Segment);
SetStopWords(ConfigManager.StopWordsFile);
if (StopWords.IsEmpty())
{
StopWords.UnionWith(DefaultStopWords);
}
Loader = new IdfLoader(DefaultIdfFile);
IdfFreq = Loader.IdfFreq;
MedianIdf = Loader.MedianIdf;
}
