public string[] FindKeyPhrases(string inputText)
{
string[] tokens = Tokenize(inputText);
string[] phrases = ToPhrases(tokens);
WordCooccurrenceMatrix matrix = new WordCooccurrenceMatrix(this.UniqueWordIndex);
matrix.CompileOccurrences(phrases);
SortedList <string, WordScore> leagueTable = matrix.LeagueTable;
SortedList <string, double> aggregatedLeagueTable = WordCooccurrenceMatrix.AggregateLeagueTable(leagueTable, phrases);
int count = (int)Math.Ceiling((double)phrases.Length / (double)3); //Take the top 1/3 of the key phrases
//TODO: make scoring system configurable (for now, just use the Ratio).
return(aggregatedLeagueTable.OrderByDescending(x => x.Value).Take(count).Select(x => x.Key).ToArray());
}
public string[] FindKeyPhrases(string inputText)
{
string[] tokens = Tokenize(inputText);
string[] phrases = ToPhrases(tokens);
WordCooccurrenceMatrix matrix = new WordCooccurrenceMatrix(this.UniqueWordIndex);
matrix.CompileOccurrences(phrases);
SortedList<string, WordScore> leagueTable = matrix.LeagueTable;
SortedList<string, double> aggregatedLeagueTable = WordCooccurrenceMatrix.AggregateLeagueTable(leagueTable, phrases);
int count = (int)Math.Ceiling((double)phrases.Length / (double)3); //Take the top 1/3 of the key phrases
//TODO: make scoring system configurable (for now, just use the Ratio).
return aggregatedLeagueTable.OrderByDescending(x => x.Value).Take(count).Select(x => x.Key).ToArray();
}
