/// <summary>
/// 获得两个词性之间的频率
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <returns></returns>
public static int GetTwoNatureFreq(Nature from, Nature to)
{
if (from.index < 0 || to.index < 0)
{
return 0;
}
return _naturetable[from.index][to.index];
}
public TermNature(string natureStr, int frequency)
{
nature = NatureLibrary.GetNature(natureStr);
this.frequency = frequency;
}
/// <summary>
/// 根据字符串得到词性.没有就创建一个
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static Nature GetNature(string input)
{
var nature = Naturemap[input];
if (nature == null)
{
nature = new Nature(input, MinusOne, MinusOne, One);
Naturemap.Add(input, nature);
return nature;
}
return nature;
}
/// <summary>
/// </summary>
/// <param name="smartForest"></param>
/// <param name="hm"></param>
/// <param name="nature"></param>
private void ValueResult(SmartForest<NewWord> smartForest, HashMap<string, double> hm, Nature nature)
{
// TODO Auto-generated method stub
if (smartForest == null || smartForest.Branches == null)
{
return;
}
for (var i = 0; i < smartForest.Branches.Length; i++)
{
var param = smartForest.Branches[i].Param;
if (smartForest.Branches[i].Status == 3)
{
if (param.IsActive && (nature == null || param.Nature.Equals(nature)))
{
hm.Add(param.Name, param.Score);
}
}
else if (smartForest.Branches[i].Status == 2)
{
if (param.IsActive && (nature == null || param.Nature.Equals(nature)))
{
hm.Add(param.Name, param.Score);
}
ValueResult(smartForest.Branches[i], hm, nature);
}
else
{
ValueResult(smartForest.Branches[i], hm, nature);
}
}
}
/// <summary>
/// </summary>
/// <param name="num"></param>
/// <param name="nature"></param>
/// <returns></returns>
public List<KeyValuePair<string, double>> GetTopTree(int num, Nature nature)
{
if (_smartForest.Branches == null)
{
return null;
}
var hm = new HashMap<string, double>();
for (var i = 0; i < _smartForest.Branches.Length; i++)
{
ValueResult(_smartForest.Branches[i], hm, nature);
}
var sortMapByValue = CollectionUtil.SortMapByValue(hm, -1);
if (num == 0)
{
return sortMapByValue;
}
num = Math.Min(num, sortMapByValue.Count);
return sortMapByValue.Take(num).ToList();
}
public void Recognition()
{
if (_branch == null)
{
return;
}
var length = _terms.Length - 1;
for (var i = 0; i < length; i++)
{
if (_terms[i] == null)
{
continue;
}
_from = _terms[i].From;
_terms[i].Score = 0;
_terms[i].SelfScore = 0;
if (_branch != null)
{
_branch = _branch.GetBranch(_terms[i].Name);
if (_branch == null || _branch.Status == 3)
{
Reset();
continue;
}
_offe = i;
// 循环查找添加
var term = _terms[i];
_stringBuilder.Append(term.Name);
if (_branch.Status == 2)
{
term.SelfScore = _branch.Param.Score;
}
var flag = true;
while (flag)
{
term = term.To;
_branch = _branch.GetBranch(term.Name);
// 如果没有找到跳出
if (_branch == null)
{
break;
}
switch (_branch.Status)
{
case 1:
_stringBuilder.Append(term.Name);
continue;
case 2:
_stringBuilder.Append(term.Name);
_score = _branch.Param.Score;
_tempNature = _branch.Param.Nature;
_to = term.To;
MakeNewTerm();
continue;
case 3:
_stringBuilder.Append(term.Name);
_score = _branch.Param.Score;
_tempNature = _branch.Param.Nature;
_to = term.To;
MakeNewTerm();
flag = false;
break;
default:
Trace.WriteLine("怎么能出现0呢?");
break;
}
}
}
Reset();
}
}
/// <summary>
/// 重置
/// </summary>
private void Reset()
{
_offe = -1;
_tempNature = null;
_branch = _forest;
_score = 0;
_stringBuilder = new StringBuilder();
}