Example #1
0
//Generate Word according the segmentation route
bool CSegment::GenerateWord(int **nSegRoute, int nIndex)
{
	unsigned int i=0,k=0;
	int j,nStartVertex,nEndVertex,nPOS;
	char sAtom[WORD_MAXLENGTH],sNumCandidate[100],sCurWord[100];
	ELEMENT_TYPE fValue;
	while(nSegRoute[nIndex][i]!=-1&&nSegRoute[nIndex][i+1]!=-1&&nSegRoute[nIndex][i]<nSegRoute[nIndex][i+1])
	{
		nStartVertex=nSegRoute[nIndex][i];
		j=nStartVertex;//Set the start vertex
		nEndVertex=nSegRoute[nIndex][i+1];//Set the end vertex
		nPOS=0;
		m_graphSeg.m_segGraph.GetElement(nStartVertex,nEndVertex,&fValue,&nPOS);
		sAtom[0]=0;
		while(j<nEndVertex)
		{//Generate the word according the segmentation route
			strcat(sAtom,m_graphSeg.m_sAtom[j]);
			j++;
		}
		m_pWordSeg[nIndex][k].sWord[0]=0;//Init the result ending
		strcpy(sNumCandidate,sAtom);
		while(sAtom[0]!=0&&(IsAllNum((unsigned char *)sNumCandidate)||IsAllChineseNum(sNumCandidate)))
		{//Merge all seperate continue num into one number
		 //sAtom[0]!=0: add in 2002-5-9
			strcpy(m_pWordSeg[nIndex][k].sWord,sNumCandidate);
			//Save them in the result segmentation
			i++;//Skip to next atom now 
			sAtom[0]=0;
			
			while(j<nSegRoute[nIndex][i+1])
			{//Generate the word according the segmentation route
				strcat(sAtom,m_graphSeg.m_sAtom[j]);
				j++;
			}
			//add a judge for out of memery, 
			//del, not nessasseray for ordinary text file,becasuse no word's lenth can larger than100
			//so remain the same
//			if(strlen(sNumCandidate)+strlen(sAtom)<100)
				strcat(sNumCandidate,sAtom);
//			else 
//				break;
		}
		unsigned int nLen=strlen(m_pWordSeg[nIndex][k].sWord);
		if(nLen==4&&CC_Find("第上成±—+∶·./",m_pWordSeg[nIndex][k].sWord)||nLen==1&&strchr("+-./",m_pWordSeg[nIndex][k].sWord[0]))
		{//Only one word
			strcpy(sCurWord,m_pWordSeg[nIndex][k].sWord);//Record current word
			i--;
		}
		else if(m_pWordSeg[nIndex][k].sWord[0]==0)//Have never entering the while loop
		{
			strcpy(m_pWordSeg[nIndex][k].sWord,sAtom);
			//Save them in the result segmentation
			strcpy(sCurWord,sAtom);//Record current word
		}
		else
		{//It is a num
			if(strcmp("--",m_pWordSeg[nIndex][k].sWord)==0||strcmp("—",m_pWordSeg[nIndex][k].sWord)==0||m_pWordSeg[nIndex][k].sWord[0]=='-'&&m_pWordSeg[nIndex][k].sWord[1]==0)//The delimiter "--"
			{
				nPOS=30464;//'w'*256;Set the POS with 'w'
				i--;//Not num, back to previous word
			}
			else
			{//Adding time suffix

				char sInitChar[3];
				unsigned int nCharIndex=0;//Get first char
				sInitChar[nCharIndex]=m_pWordSeg[nIndex][k].sWord[nCharIndex];
				if(sInitChar[nCharIndex]<0)
				{
					nCharIndex+=1;
					sInitChar[nCharIndex]=m_pWordSeg[nIndex][k].sWord[nCharIndex];
				}
				nCharIndex+=1;
				sInitChar[nCharIndex]='\0';
				if(k>0&&(abs(m_pWordSeg[nIndex][k-1].nHandle)==27904||abs(m_pWordSeg[nIndex][k-1].nHandle)==29696)&&(strcmp(sInitChar,"—")==0||sInitChar[0]=='-')&&(strlen(m_pWordSeg[nIndex][k].sWord)>nCharIndex))
				{//3-4月                                 //27904='m'*256
				   //Split the sInitChar from the original word
					strcpy(m_pWordSeg[nIndex][k+1].sWord,m_pWordSeg[nIndex][k].sWord+nCharIndex);
					m_pWordSeg[nIndex][k+1].dValue=m_pWordSeg[nIndex][k].dValue;
					m_pWordSeg[nIndex][k+1].nHandle=27904;
					m_pWordSeg[nIndex][k].sWord[nCharIndex]=0;
					m_pWordSeg[nIndex][k].dValue=0;
					m_pWordSeg[nIndex][k].nHandle=30464;//'w'*256;
					m_graphOptimum.SetElement(nStartVertex,nStartVertex+1,m_pWordSeg[nIndex][k].dValue,m_pWordSeg[nIndex][k].nHandle,m_pWordSeg[nIndex][k].sWord);
					nStartVertex+=1;
					k+=1;
				}
				nLen=strlen(m_pWordSeg[nIndex][k].sWord);
				if((strlen(sAtom)==2&&CC_Find("月日时分秒",sAtom))||strcmp(sAtom,"月份")==0)
				{//2001年
					strcat(m_pWordSeg[nIndex][k].sWord,sAtom);
					strcpy(sCurWord,"未##时");
					nPOS=-29696;//'t'*256;//Set the POS with 'm'
				}
				else if(strcmp(sAtom,"年")==0)
				{
					 if(IsYearTime(m_pWordSeg[nIndex][k].sWord))//strncmp(sAtom,"年",2)==0&&
					 {//1998年,
						strcat(m_pWordSeg[nIndex][k].sWord,sAtom);
						strcpy(sCurWord,"未##时");
						nPOS=-29696;//Set the POS with 't'
					 }
					 else
					 {
						strcpy(sCurWord,"未##数");
						nPOS=-27904;//Set the POS with 'm'
						i--;//Can not be a time word
					 }
				}
     			else
				{
					//早晨/t  五点/t 
					if(strcmp(m_pWordSeg[nIndex][k].sWord+strlen(m_pWordSeg[nIndex][k].sWord)-2,"点")==0)
					{
						strcpy(sCurWord,"未##时");
						nPOS=-29696;//Set the POS with 't'
					}	
					else 
					{
//						if(!CC_Find("∶·./",m_pWordSeg[nIndex][k].sWord+nLen-2)&&m_pWordSeg[nIndex][k].sWord[nLen-1]!='.'&&m_pWordSeg[nIndex][k].sWord[nLen-1]!='/')
//						{
///							strcpy(sCurWord,"未##数");
//							nPOS=-27904;//'m'*256;Set the POS with 'm'
//						}
//						else if(nLen>strlen(sInitChar))
//						{//Get rid of . example 1.
//							if(m_pWordSeg[nIndex][k].sWord[nLen-1]=='.'||m_pWordSeg[nIndex][k].sWord[nLen-1]=='/')
//								m_pWordSeg[nIndex][k].sWord[nLen-1]=0;
//							else
//								m_pWordSeg[nIndex][k].sWord[nLen-2]=0;
//							strcpy(sCurWord,"未##数");
//							nPOS=-27904;//'m'*256;Set the POS with 'm'
//							i--;
//						}
//here's bug in it +...... do not del .
//2004-3-2 fixed by Wangzhifu
//						if(!CC_Find("∶·./",m_pWordSeg[nIndex][k].sWord+nLen-2)&&m_pWordSeg[nIndex][k].sWord[nLen-1]!='.'&&m_pWordSeg[nIndex][k].sWord[nLen-1]!='/')
//2004_06_18 修改,见04_06_18新华网语料bug.txt
						if(!CC_Find("∶·./",m_pWordSeg[nIndex][k].sWord+nLen-2)&&m_pWordSeg[nIndex][k].sWord[nLen-1]!='.')
						{
							strcpy(sCurWord,"未##数");
							nPOS=-27904;//'m'*256;Set the POS with 'm'
						}
						else if(nLen>strlen(sInitChar))
						{//Get rid of . example 1.
							//,but if" +......" do not del .//fixed at 2004-3-2 by Wang Zhifu
							char TempWord[100];
							strcpy(TempWord,m_pWordSeg[nIndex][k].sWord);
							TempWord[nLen-2]=0;//去掉最后一个字符!
							if(IsNumExist(TempWord))
							{
								if(m_pWordSeg[nIndex][k].sWord[nLen-1]=='.'||m_pWordSeg[nIndex][k].sWord[nLen-1]=='/')
									m_pWordSeg[nIndex][k].sWord[nLen-1]=0;
								else
									m_pWordSeg[nIndex][k].sWord[nLen-2]=0;
								strcpy(sCurWord,"未##数");								
								nPOS=-27904;//'m'*256;Set the POS with 'm'
								i--;
							}
							else
							{
								nPOS=-'n'*256-'x';//
								strcpy(sCurWord,"未##串");
							}
						}
					}
// end of fixed line;

					i--;//Not num, back to previous word
				}
			}
			fValue=0;
			nEndVertex=nSegRoute[nIndex][i+1];//Ending POS changed to latter
		}
		m_pWordSeg[nIndex][k].nHandle=nPOS;//Get the POS of current word
		m_pWordSeg[nIndex][k].dValue=fValue;//(int)(MAX_FREQUENCE*exp(-fValue));//Return the frequency of current word
		m_graphOptimum.SetElement(nStartVertex,nEndVertex,fValue,nPOS,sCurWord);
		//Generate optimum segmentation graph according the segmentation result
		i++;//Skip to next atom
		k++;//Accept next word
	}
	m_pWordSeg[nIndex][k].sWord[0]=0;
	m_pWordSeg[nIndex][k].nHandle=-1;//Set ending
	return true;
}
bool CSegGraph::GenerateWordNet(char *sSentence,CDictionary &dictCore,bool	bOriginalFreq)
{
//Gernerate the word net from the sLine, that's list all the possible word
	unsigned int i=0,j,nLen=strlen(sSentence);
	char sWord[WORD_MAXLENGTH]="",sTempWord[WORD_MAXLENGTH]="",sWordMatch[WORD_MAXLENGTH];
	int nWordIndex=0,nHandleTemp,k,nPOS;
	int nMatchFreq[20],nMatchHandle[20],nTotalFreq,nMatchCount;
	double dValue=0;
	m_nAtomCount=0;
	m_segGraph.SetEmpty();//Set segmentation graph empty

	AtomSegment(sSentence);
	//Atomic Segmentation

    for(i=0;i<m_nAtomCount;i++)//Init the cost array
    {
		if(m_nAtomPOS[i]==CT_CHINESE)//The atom is a Chinese Char
		{
			if(!bOriginalFreq)//Not original frequency
				m_segGraph.SetElement(i,i+1,log(MAX_FREQUENCE),0);//init the link with the maximum value
			else
				m_segGraph.SetElement(i,i+1,0,0,m_sAtom[i]);//init the link with the maximum value
		}
		else//Other atom
		{
			strcpy(sWord,m_sAtom[i]);//init the word 
			dValue=MAX_FREQUENCE;
			switch(m_nAtomPOS[i])
			{
			case CT_INDEX:
			case CT_NUM:
				nPOS=-27904;//'m'*256
				strcpy(sWord,"未##数");
				dValue=0;
				break;
			case CT_DELIMITER:
				nPOS=30464;//'w'*256;
				break;
			case CT_LETTER:
				nPOS=-'n'*256-'x';//
				dValue=0;
				strcpy(sWord,"未##串");
				break;
			case CT_SINGLE://12021-2129-3121
				if(GetCharCount("+-1234567890",m_sAtom[i])==(int)strlen(m_sAtom[i]))
				{
					nPOS=-27904;//'m'*256
					strcpy(sWord,"未##数");
				}
				else
				{
					nPOS=-'n'*256-'x';//
					strcpy(sWord,"未##串");
				}
				dValue=0;
				break;
			default:
				nPOS=m_nAtomPOS[i];//'?'*256;
				break;
			}
			if(!bOriginalFreq)//Not original frequency
				m_segGraph.SetElement(i,i+1,0,nPOS);//init the link with minimum
			else
				m_segGraph.SetElement(i,i+1,dValue,nPOS,sWord);//init the link with minimum
		}
    }
	i=0;
	while(i<m_nAtomCount)//All the word
	{
	  strcpy(sWord,m_sAtom[i]);//Get the current atom
	  j=i+1;
	  if(strcmp(sWord,"月")==0&&strcmp(m_sAtom[i+1],"份")==0)//Don't split 月份
		  j+=1;
	  while(j<=m_nAtomCount&&dictCore.GetMaxMatch(sWord,sWordMatch,&nHandleTemp))
	  {//Add a condition to control the end of string
	   //retrieve the dictionary with the word
          if(strcmp(sWordMatch,sWord)==0)//find the current word
		  {
			  nTotalFreq=0;
			  dictCore.GetHandle(sWord,&nMatchCount,nMatchHandle,nMatchFreq);
			  for(k=0;k<nMatchCount;k++)//Add the frequency
			  {
				 nTotalFreq+=nMatchFreq[k];
			  }
			  //Adding a rule to exclude some words to be formed.
			  if(strlen(sWord)==4&&i>=1&&(IsAllNum((unsigned char *)m_sAtom[i-1])||IsAllChineseNum(m_sAtom[i-1]))&&(strncmp(sWord,"年",2)==0||strncmp(sWord,"月",2)==0))
			  {//1年内、1999年末
			     if(CC_Find("末内中底前间初",sWord+2))
				     break;
			  }
			  if(nMatchCount==1)//The possible word has only one POS, store it
			  {
				if(!bOriginalFreq)//Not original frequency
					m_segGraph.SetElement(i,j,-log(nTotalFreq+1)+log(MAX_FREQUENCE),nMatchHandle[0]);
				else
					m_segGraph.SetElement(i,j,nTotalFreq,nMatchHandle[0],sWord);
			  }
			  else 
			  {
					if(!bOriginalFreq)//Not original frequency
						m_segGraph.SetElement(i,j,-log(nTotalFreq+1)+log(MAX_FREQUENCE),0);
					else
						m_segGraph.SetElement(i,j,nTotalFreq,0,sWord);
			  }
		  }
		  strcat(sWord,m_sAtom[j++]);
	  }
	  i+=1;//Start from i++;
	}
	return true;
}
Example #3
0
//Generate Word according the segmentation route
bool CSegment::GenerateWord(int **nSegRoute, int nIndex)
{
	unsigned int i=0,k=0;
	int j,nStartVertex,nEndVertex,nPOS;
	char sAtom[WORD_MAXLENGTH],sNumCandidate[100];
	ELEMENT_TYPE fValue;
	while(nSegRoute[nIndex][i]!=-1&&nSegRoute[nIndex][i+1]!=-1&&nSegRoute[nIndex][i]<nSegRoute[nIndex][i+1])
	{
		nStartVertex=nSegRoute[nIndex][i];
		j=nStartVertex;//Set the start vertex
		nEndVertex=nSegRoute[nIndex][i+1];//Set the end vertex
		nPOS=0;
		m_graphSeg.m_segGraph.GetElementInfo(nStartVertex,nEndVertex,fValue,nPOS);
		sAtom[0]=0;

		while(j < nEndVertex)
		{
			//Generate the word according the segmentation route
			strcat(sAtom,m_graphSeg.m_sAtom[j]);
			j++;
		}
		m_pWordSeg[nIndex][k].sWord[0]=0;//Init the result ending
		strcpy(sNumCandidate,sAtom);
		while(sAtom[0]!=0 && (IsAllNum((unsigned char *)sNumCandidate)||IsAllChineseNum(sNumCandidate)))
		{
			//Merge all seperate continue num into one number
		    //sAtom[0]!=0: add in 2002-5-9
			strcpy(m_pWordSeg[nIndex][k].sWord,sNumCandidate);
			//Save them in the result segmentation
			i++;//Skip to next atom now 
			sAtom[0]=0;
			
			while(j<nSegRoute[nIndex][i+1])
			{//Generate the word according the segmentation route
				strcat(sAtom,m_graphSeg.m_sAtom[j]);
				j++;
			}
			strcat(sNumCandidate,sAtom);
		}
		if(m_pWordSeg[nIndex][k].sWord[0]==0)//Have never entering the while loop
		{
			strcpy(m_pWordSeg[nIndex][k].sWord,sAtom);
			//Save them in the result segmentation
		}
		else
		{//It is a num
			if(strcmp("--",m_pWordSeg[nIndex][k].sWord)==0||strcmp("—",m_pWordSeg[nIndex][k].sWord)==0||m_pWordSeg[nIndex][k].sWord[0]=='-')//The delimiter "--"
			{
				nPOS=30464;//'w'*256;Set the POS with 'w'
				i--;//Not num, back to previous word
			}
			else
			{//Adding time suffix

				char sInitChar[3];
				unsigned int nCharIndex=0;//Get first char
				sInitChar[nCharIndex]=m_pWordSeg[nIndex][k].sWord[nCharIndex];
				if(sInitChar[nCharIndex]<0)
				{
					nCharIndex+=1;
					sInitChar[nCharIndex]=m_pWordSeg[nIndex][k].sWord[nCharIndex];
				}
				nCharIndex+=1;
				sInitChar[nCharIndex]='\0';
				if(k>0&&m_pWordSeg[nIndex][k-1].nHandle==27904&&(strcmp(sInitChar,"—")==0||sInitChar[0]=='-')&&(strlen(m_pWordSeg[nIndex][k].sWord)>nCharIndex))
				{//3-4月                                 //27904='m'*256
				   //Split the sInitChar from the original word
					strcpy(m_pWordSeg[nIndex][k+1].sWord,m_pWordSeg[nIndex][k].sWord+nCharIndex);
					m_pWordSeg[nIndex][k+1].dValue=m_pWordSeg[nIndex][k].dValue;
					m_pWordSeg[nIndex][k+1].nHandle=27904;
					m_pWordSeg[nIndex][k].sWord[nCharIndex]=0;
					m_pWordSeg[nIndex][k].dValue=0;
					m_pWordSeg[nIndex][k].nHandle=30464;//'w'*256;
					m_graphOptimum.SetElement(nStartVertex,nStartVertex+1,m_pWordSeg[nIndex][k].dValue,m_pWordSeg[nIndex][k].nHandle);
					nStartVertex+=1;
					k+=1;
				}
				unsigned int nLen=strlen(m_pWordSeg[nIndex][k].sWord);
				if((strlen(sAtom)==2&&CC_Find("月日时分秒",sAtom))||strcmp(sAtom,"月份")==0)
				{//2001年
					strcat(m_pWordSeg[nIndex][k].sWord,sAtom);
					nPOS=29696;//'t'*256;//Set the POS with 'm'
				}
				else if(strcmp(sAtom,"年")==0)
				{
					 if(IsYearTime(m_pWordSeg[nIndex][k].sWord))//strncmp(sAtom,"年",2)==0&&
					 {//1998年,
						strcat(m_pWordSeg[nIndex][k++].sWord,sAtom);
						nPOS='t'*256;//Set the POS with 'm'
					 }
					 else
					    i--;//Can not be a time word
				}
     			else
				{
					//早晨/t  五点/t 
					if(strcmp(m_pWordSeg[nIndex][k].sWord+strlen(m_pWordSeg[nIndex][k].sWord)-2,"点")==0)
					{
						nPOS='t'*256;//Set the POS with 'm'
					}	
					else 
					{
						if(m_pWordSeg[nIndex][k].sWord[0]!='.')
							nPOS='m'*256;//Set the POS with 'm'
						if(nLen>1&&m_pWordSeg[nIndex][k].sWord[nLen-1]=='.')
						{//Get rid of . example 1.
							m_pWordSeg[nIndex][k].sWord[nLen-1]=0;
							i--;
						}
					}
					i--;//Not num, back to previous word
				}
			}
			fValue=0;
			nEndVertex=nSegRoute[nIndex][i+1];//Ending POS changed to latter
	}
		m_pWordSeg[nIndex][k].nHandle=nPOS;//Get the POS of current word
		m_pWordSeg[nIndex][k].dValue=fValue;//(int)(MAX_FREQUENCE*exp(-fValue));//Return the frequency of current word
		m_graphOptimum.SetElement(nStartVertex,nEndVertex,fValue,nPOS);
		//Generate optimum segmentation graph according the segmentation result
		i++;//Skip to next atom
		k++;//Accept next word
	}
	m_pWordSeg[nIndex][k].sWord[0]=0;
	m_pWordSeg[nIndex][k].nHandle=-1;//Set ending
	return true;
}