// opt_negated_query_word -> NOT query_word
// | query_word
static syntree *opt_negated_query_word (token **lookahead, err_context context)
{
syntree *left = NULL;
RETURN_NULL_IF_OVER_DEPTH_LIMIT(context);
if ( ft_match (lookahead, TOK_FT_NOT) )
{
left = query_word (lookahead, context);
if (left)
{
return (ft_not_new (left));
}
else
{
gen_cond_err_msg ("Error: The NOT operator can only precede a word or phrase"
" inside the CONTAINS condition string.", context.count);
return (NULL);
}
}
return (query_word (lookahead, context));
}
void CateTeller::tell(char ** p_text, int n_text, int * p_labels) {
int n_word = N_WORD;
std::vector< std::vector<char *> * > v_lines_words; //�����еĴ�����б�
std::vector< std::vector<int> * > v_class_tf; //ÿ������ÿ���г��ִ�Ƶ���б�
std::vector< std::vector<double> * > v_featureVector; //��������
cut(&seg, p_text, n_text, v_lines_words, n_word, filter);
//��ÿ���ʣ��ڴʵ���Ѱ����Ӧ��Ƶ��
for(int iSen = 0; iSen < v_lines_words.size(); iSen++)
{
std::vector<int> * pSen_fp = new std::vector<int>;
v_class_tf.push_back(pSen_fp);
//std::cout << "querying no." << iSen+1 << "\n";
char message_t[50];
//sprintf(message_t, "\rquerying no.%d", iSen+1);
sprintf(message_t, "\r�����%d��", iSen+1);
// std::cout << message_t;
for( int iWord = 0; iWord < (*v_lines_words.at(iSen)).size(); iWord++ ) //ÿ����10����
{
char * pWord = (*v_lines_words.at(iSen)).at(iWord);
//����ݿ������Ƶ���ѯ
query_word(conn, pWord);
if( v_query.size() != N_DIMEN ) //������������
{
for(int i = 0; i < N_DIMEN; i++)
{
pSen_fp->push_back( 0 );
}
}
else //����û�г�������
{
for(int i = 0; i < N_DIMEN; i++)
{
pSen_fp->push_back( v_query.at(i) );
}
}
}
}
//�������������������
double class_n[N_DIMEN] = {13186.0, 133915.0, 29844.0, 14694.0, 235245}; //�ʵ���ÿ��ĸ���
//std::vector< std::vector<int> * > v_class_tf; //ÿ������ÿ���г��ִ�Ƶ���б�
for(int iSen = 0; iSen < v_class_tf.size(); iSen++)
{
std::vector<int> * fp_thisSen = v_class_tf.at(iSen); //�����������
std::vector<double> * pFeatureV = new std::vector<double>; //����������������������
v_featureVector.push_back(pFeatureV);
for(int iWord = 0; iWord < 10; iWord++) //ÿ�乲10����
{
double norm_fp[N_DIMEN]; //�����һ����TF
double max_nfp = 0.0; //���TF
double sum_nfp = 0.0; //TF֮��
for(int i = 0; i < N_DIMEN; i++)
{
norm_fp[i] = 10000.0 * (double)(fp_thisSen->at( N_DIMEN*iWord + i ))/class_n[i];
sum_nfp += norm_fp[i];
if(max_nfp < norm_fp[i])
{
max_nfp = norm_fp[i];
}
}
max_nfp /= 10.0; //�dz���10��sigmoid����
double f1 = 2.0/( 1.0 + exp(-0.10986*max_nfp) ) - 1.0;
if(sum_nfp != 0)
{
pFeatureV->push_back( f1 );
for(int i = 0; i < N_DIMEN; i++)
{
pFeatureV->push_back( norm_fp[i]/sum_nfp );
}
}
else
{
pFeatureV->push_back( f1 );
for(int i = 0; i < N_DIMEN; i++)
{
pFeatureV->push_back( 0.0 );
}
}
}
}
////svm������~
for(int iFV = 0; iFV < v_featureVector.size(); iFV++) //����ÿ����¼
{
std::vector<double> * pFV = v_featureVector.at(iFV);
struct svm_node * svmData = (struct svm_node *)malloc( (50+1)*sizeof(struct svm_node) );
for(int i = 0; i < 50; i++)
{
svmData[i].index = i+1;
svmData[i].value = pFV->at(i);
}
svmData[50].index = -1;
int label = svm_predict(svmModel, svmData);
//l_labels.push_back(label);
p_labels[iFV] = label;
//std::cout << iFV+1 << " : " << label << "\n";
free(svmData);
}
//// do some cleanup
//�ͷ�ȡ���б�v_lines_words
for( int iSen = 0; iSen < v_lines_words.size(); iSen++ )
{
std::vector<char *> * p_vSen = v_lines_words.at(iSen);
for(int iWord = 0; iWord < p_vSen->size(); iWord++)
{
delete [] (char*)(p_vSen->at(iWord));
}
p_vSen->clear();
}
v_lines_words.clear();
//�ͷŲ�ѯ��Ƶ�б�
for( int iSen = 0; iSen < v_class_tf.size(); iSen++ )
{
v_class_tf.at(iSen)->clear();
}
v_class_tf.clear();
//�ͷ�������������
for( int iVec = 0; iVec < v_featureVector.size(); iVec++ )
{
v_featureVector.at(iVec)->clear();
}
v_featureVector.clear();
v_query.clear();
}
//void textCategorization(std::list<char *>& l_text, std::list<int>& l_labels)
//����˵����p_text Ϊn_text���ַ�ָ�룻 p_labelsΪn_text����ǩ��int��ָ��
void textCategorization_new(char ** p_text, int n_text, int * p_labels, char * outputPath)
{
int n_word = N_WORD;
std::vector< std::vector<char *> * > v_lines_words; //�����еĴ�����б�
std::vector< std::vector<int> * > v_class_tf; //ÿ������ÿ���г��ִ�Ƶ���б�
std::vector< std::vector<double> * > v_featureVector; //��������
////���õĹ���
//�ָ���seg
CppJieba::MPSegment seg;
//��ʼ��
//bool init_res = seg.init("C:\\languageData_new\\jieba.dict.utf8");
bool init_res = seg.init("dependency/jieba.dict.utf8");
////��ʼ����ѯ����sqlite3��
sqlite3 * conn = NULL; //������ݿ�
// char * err_msg = NULL; //����ʧ�ܵ�ԭ��
//����ݿ⣬��������
//if( SQLITE_OK != sqlite3_open("C:\\languageData_new\\new_dictionary.sqlite", &conn) )
if( SQLITE_OK != sqlite3_open("dependency/new_dictionary.sqlite", &conn) )
{
printf("can't open the database.");
exit(-1);
}
//������
//struct svm_model * svmModel = svm_load_model("C:\\languageData_new\\trainingSet.txt.model");
struct svm_model * svmModel = svm_load_model("dependency/trainingSet.txt.model");
//���������
//termFilter filter("C:\\languageData_new\\symbelTerms.txt");
termFilter filter("dependency/symbelTerms.txt");
//cut( �ָ����� �����ļ��� ����ļ��� ���ֵĴ� )
//cut(&seg, "title_utf8.txt", "title_res_utf8.txt", n_word); //�ֵ�ִ�
//cut(&seg, l_text, v_lines_words, n_word);
cut(&seg, p_text, n_text, v_lines_words, n_word, filter);
/*
//����ִʽ��
std::ofstream ofile1;
ofile1.open("split_res.txt", std::ios::out);
//std::vector< std::vector<char *> * > v_lines_words;
for(int iSen = 0; iSen < v_lines_words.size(); iSen++)
{
std::vector<char *> * pSen = v_lines_words.at(iSen);
for(int iWord = 0; iWord < pSen->size(); iWord++)
{
ofile1 << pSen->at(iWord) << "\n";
}
}
ofile1.close();
*/
//��ÿ���ʣ��ڴʵ���Ѱ����Ӧ��Ƶ��
for(int iSen = 0; iSen < v_lines_words.size(); iSen++)
{
std::vector<int> * pSen_fp = new std::vector<int>;
v_class_tf.push_back(pSen_fp);
//std::cout << "querying no." << iSen+1 << "\n";
char message_t[50];
//sprintf(message_t, "\rquerying no.%d", iSen+1);
sprintf(message_t, "\r�����%d��", iSen+1);
std::cout << message_t;
for( int iWord = 0; iWord < (*v_lines_words.at(iSen)).size(); iWord++ ) //ÿ����10����
{
char * pWord = (*v_lines_words.at(iSen)).at(iWord);
//����ݿ������Ƶ���ѯ
query_word(conn, pWord);
if( v_query.size() != N_DIMEN ) //������������
{
for(int i = 0; i < N_DIMEN; i++)
{
pSen_fp->push_back( 0 );
}
}
else //����û�г�������
{
for(int i = 0; i < N_DIMEN; i++)
{
pSen_fp->push_back( v_query.at(i) );
}
}
}
}
/*
//����������
//std::vector< std::vector<int> * > v_class_tf; //ÿ������ÿ���г��ִ�Ƶ���б�
std::ofstream ofile;
ofile.open( "frequency.txt", std::ios::out );
for(int iSen = 0; iSen < v_class_tf.size(); iSen++)
{
std::vector<int> * pSen_fp = v_class_tf.at( iSen );
for( int iTF = 0; iTF < pSen_fp->size(); iTF++ )
{
ofile << pSen_fp->at(iTF) << "\t";
}
ofile << "\n";
}
ofile.close();
*/
//�������������������
double class_n[N_DIMEN] = {13186.0, 133915.0, 29844.0, 14694.0, 235245}; //�ʵ���ÿ��ĸ���
//std::vector< std::vector<int> * > v_class_tf; //ÿ������ÿ���г��ִ�Ƶ���б�
for(int iSen = 0; iSen < v_class_tf.size(); iSen++)
{
std::vector<int> * fp_thisSen = v_class_tf.at(iSen); //�����������
std::vector<double> * pFeatureV = new std::vector<double>; //����������������������
v_featureVector.push_back(pFeatureV);
for(int iWord = 0; iWord < 10; iWord++) //ÿ�乲10����
{
double norm_fp[N_DIMEN]; //�����һ����TF
double max_nfp = 0.0; //���TF
double sum_nfp = 0.0; //TF֮��
for(int i = 0; i < N_DIMEN; i++)
{
norm_fp[i] = 10000.0 * (double)(fp_thisSen->at( N_DIMEN*iWord + i ))/class_n[i];
sum_nfp += norm_fp[i];
if(max_nfp < norm_fp[i])
{
max_nfp = norm_fp[i];
}
}
max_nfp /= 10.0; //�dz���10��sigmoid����
double f1 = 2.0/( 1.0 + exp(-0.10986*max_nfp) ) - 1.0;
if(sum_nfp != 0)
{
pFeatureV->push_back( f1 );
for(int i = 0; i < N_DIMEN; i++)
{
pFeatureV->push_back( norm_fp[i]/sum_nfp );
}
}
else
{
pFeatureV->push_back( f1 );
for(int i = 0; i < N_DIMEN; i++)
{
pFeatureV->push_back( 0.0 );
}
}
}
}
/*
//�����������
//std::vector< std::vector<double> * > v_featureVector; //��������
std::ofstream ofile2;
ofile2.open("featureVector.txt", std::ios::app);
for(int iVec = 0; iVec < v_featureVector.size(); iVec++)
{
std::vector<double> * v_Vector = v_featureVector.at(iVec);
for(int iCell = 0; iCell < v_Vector->size(); iCell++)
{
ofile2 << iCell+1 << ":" << v_Vector->at(iCell) << " ";
}
ofile2 << "\n";
}
ofile2.close();
*/
////svm������~
for(int iFV = 0; iFV < v_featureVector.size(); iFV++) //����ÿ����¼
{
std::vector<double> * pFV = v_featureVector.at(iFV);
struct svm_node * svmData = (struct svm_node *)malloc( (50+1)*sizeof(struct svm_node) );
for(int i = 0; i < 50; i++)
{
svmData[i].index = i+1;
svmData[i].value = pFV->at(i);
}
svmData[50].index = -1;
int label = svm_predict(svmModel, svmData);
//l_labels.push_back(label);
p_labels[iFV] = label;
//std::cout << iFV+1 << " : " << label << "\n";
free(svmData);
}
//���Ԥ�����
if( outputPath != NULL )
{
std::ofstream ofile3;
ofile3.open( outputPath, std::ios::out );
for(int i = 0; i < n_text; i++)
{
ofile3 << p_labels[i] << "\n";
}
ofile3.close();
}
//����
/////�ͷŷִ���
seg.dispose();
//�ر�sqlite3����
if( SQLITE_OK != sqlite3_close(conn) )
{
printf("can't close the database: %s/n", sqlite3_errmsg(conn));
exit(-1);
}
//�ͷŷ�����
free(svmModel);
//�ͷ�ȡ���б�v_lines_words
for( int iSen = 0; iSen < v_lines_words.size(); iSen++ )
{
std::vector<char *> * p_vSen = v_lines_words.at(iSen);
for(int iWord = 0; iWord < p_vSen->size(); iWord++)
{
delete [] (char*)(p_vSen->at(iWord));
}
p_vSen->clear();
}
v_lines_words.clear();
//�ͷŲ�ѯ��Ƶ�б�
for( int iSen = 0; iSen < v_class_tf.size(); iSen++ )
{
v_class_tf.at(iSen)->clear();
}
v_class_tf.clear();
//�ͷ�������������
for( int iVec = 0; iVec < v_featureVector.size(); iVec++ )
{
v_featureVector.at(iVec)->clear();
}
v_featureVector.clear();
v_query.clear();
//return p_labels;
}
