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資源簡介

北京大學自然語言處理導論期末大作業 中文自動分詞 結構化感知器

資源截圖

代碼片段和文件信息

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

using?namespace?std;

int?divisor;

#define?MAX_WORD?5200
#define?TAG_NUM??2
int?wordCount;
map?word_id; //將單詞和單詞數字ID對應
map?id_wordCount; //統計單詞數字ID和單詞出現次數對應

map?int>?tag_tag_count;

int?true_num;
int?precision_num;
int?recall_num;
class?Perceptron_vector
{
public:
int?word_tag_count;
map?left_current_tag_count;
map?current_right_tag_count;
map?int>?left_current_right_tag_count;

Perceptron_vector()
{
this->word_tag_count?=?0;
this->left_current_tag_count.clear();
this->current_right_tag_count.clear();
this->left_current_right_tag_count.clear();
}

int?get_word_tag_count()
{
return?word_tag_count;
}

int?get_left_current_tag_count(int?left_id)
{
map::iterator?left_current_tag_count_it?=?left_current_tag_count.find(left_id);
if(left_current_tag_count_it?==?left_current_tag_count.end())
return?0;
else
return?left_current_tag_count_it->second;
}

int?get_current_right_tag_count(int?right_id)
{
map::iterator?current_right_tag_count_it?=?current_right_tag_count.find(right_id);
if(current_right_tag_count_it?==?current_right_tag_count.end())
return?0;
else
return?current_right_tag_count_it->second;
}

int?get_left_current_right_tag_count(int?left_id?int?right_id)
{
map?int>::iterator?left_current_right_tag_count_it?=?left_current_right_tag_count.find(pair(left_id?right_id));
if(left_current_right_tag_count_it?==?left_current_right_tag_count.end())
return?0;
else
return?left_current_right_tag_count_it->second;
}

int?get_vector(int?left_id?int?right_id)
{
return?get_word_tag_count()?+?get_left_current_tag_count(left_id)?+?get_current_right_tag_count(right_id)?+?get_left_current_right_tag_count(left_id?right_id);
}
void?update_word_tag_count(int?tag)
{
if(tag?==?1)
word_tag_count++;
if(tag?==?0)
word_tag_count--;
}

void?update_left_current_tag_count(int?tag?int?left_id)
{
map::iterator?left_current_tag_count_it?=?left_current_tag_count.find(left_id);
if(tag?==?1)
{
if(left_current_tag_count_it?==?left_current_tag_count.end())
left_current_tag_count.insert(pair(left_id?1));
else
left_current_tag_count_it->second++;
}
if(tag?==?0)
{
if(left_current_tag_count_it?==?left_current_tag_count.end())
left_current_tag_count.insert(pair(left_id?-1));
else
left_current_tag_count_it->second--;
}
}

void?update_current_right_tag_count(int?tag?int?right_id)
{
map::iterator?current_right_tag_count_it?=?current_right_tag_cou

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