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/*
* constituent_reorder_model.cc
*
* Created on: Jul 10, 2013
* Author: junhuili
*/
#include <boost/program_options.hpp>
#include "alignment.h"
#include "tree.h"
#include "utility.h"
#include "tsuruoka_maxent.h"
#include <unordered_map>
using namespace std;
typedef std::unordered_map<std::string, int> Map;
typedef std::unordered_map<std::string, int>::iterator Iterator;
namespace po = boost::program_options;
inline void fnPreparingTrainingdata(const char* pszFName, int iCutoff,
const char* pszNewFName) {
SFReader* pFReader = new STxtFileReader(pszFName);
char* pszLine = new char[100001];
int iLen;
Map hashPredicate;
while (pFReader->fnReadNextLine(pszLine, &iLen)) {
if (iLen == 0) continue;
vector<string> vecTerms;
SplitOnWhitespace(string(pszLine), &vecTerms);
for (size_t i = 0; i < vecTerms.size() - 1; i++) {
Iterator iter = hashPredicate.find(vecTerms[i]);
if (iter == hashPredicate.end()) {
hashPredicate[vecTerms[i]] = 1;
} else {
iter->second++;
}
}
}
delete pFReader;
pFReader = new STxtFileReader(pszFName);
FILE* fpOut = fopen(pszNewFName, "w");
while (pFReader->fnReadNextLine(pszLine, &iLen)) {
if (iLen == 0) continue;
vector<string> vecTerms;
SplitOnWhitespace(string(pszLine), &vecTerms);
ostringstream ostr;
for (size_t i = 0; i < vecTerms.size() - 1; i++) {
Iterator iter = hashPredicate.find(vecTerms[i]);
assert(iter != hashPredicate.end());
if (iter->second >= iCutoff) {
ostr << vecTerms[i] << " ";
}
}
if (ostr.str().length() > 0) {
ostr << vecTerms[vecTerms.size() - 1];
fprintf(fpOut, "%s\n", ostr.str().c_str());
}
}
fclose(fpOut);
delete pFReader;
delete[] pszLine;
}
struct SConstReorderTrainer {
SConstReorderTrainer(
const char* pszSynFname, // source-side flattened parse tree file name
const char* pszAlignFname, // alignment filename
const char* pszSourceFname, // source file name
const char* pszTargetFname, // target file name
const char* pszInstanceFname, // training instance file name
const char* pszModelPrefix, // classifier model file name prefix
int iClassifierType, // classifier type
int iCutoff, // feature count threshold
const char* pszOption // other classifier parameters (for svmlight)
) {
fnGenerateInstanceFile(pszSynFname, pszAlignFname, pszSourceFname,
pszTargetFname, pszInstanceFname);
string strInstanceLeftFname = string(pszInstanceFname) + string(".left");
string strInstanceRightFname = string(pszInstanceFname) + string(".right");
string strModelLeftFname = string(pszModelPrefix) + string(".left");
string strModelRightFname = string(pszModelPrefix) + string(".right");
fprintf(stdout, "...Training the left ordering model\n");
fnTraining(strInstanceLeftFname.c_str(), strModelLeftFname.c_str(),
iCutoff);
fprintf(stdout, "...Training the right ordering model\n");
fnTraining(strInstanceRightFname.c_str(), strModelRightFname.c_str(),
iCutoff);
}
~SConstReorderTrainer() {}
private:
void fnTraining(const char* pszInstanceFname, const char* pszModelFname,
int iCutoff) {
char* pszNewInstanceFName = new char[strlen(pszInstanceFname) + 50];
if (iCutoff > 0) {
sprintf(pszNewInstanceFName, "%s.tmp", pszInstanceFname);
fnPreparingTrainingdata(pszInstanceFname, iCutoff, pszNewInstanceFName);
} else {
strcpy(pszNewInstanceFName, pszInstanceFname);
}
/*Zhangle_Maxent *pZhangleMaxent = new Zhangle_Maxent(NULL);
pZhangleMaxent->fnTrain(pszInstanceFname, "lbfgs", pszModelFname, 100, 2.0);
delete pZhangleMaxent;*/
Tsuruoka_Maxent* pMaxent = new Tsuruoka_Maxent(NULL);
pMaxent->fnTrain(pszNewInstanceFName, "l1", pszModelFname, 300);
delete pMaxent;
if (strcmp(pszNewInstanceFName, pszInstanceFname) != 0) {
sprintf(pszNewInstanceFName, "rm %s.tmp", pszInstanceFname);
system(pszNewInstanceFName);
}
delete[] pszNewInstanceFName;
}
inline bool fnIsVerbPOS(const char* pszTerm) {
if (strcmp(pszTerm, "VV") == 0 || strcmp(pszTerm, "VA") == 0 ||
strcmp(pszTerm, "VC") == 0 || strcmp(pszTerm, "VE") == 0)
return true;
return false;
}
inline void fnGetOutcome(int iL1, int iR1, int iL2, int iR2,
const SAlignment* pAlign, string& strOutcome) {
if (iL1 == -1 && iL2 == -1)
strOutcome = "BU"; // 1. both are untranslated
else if (iL1 == -1)
strOutcome = "1U"; // 2. XP1 is untranslated
else if (iL2 == -1)
strOutcome = "2U"; // 3. XP2 is untranslated
else if (iL1 == iL2 && iR2 == iR2)
strOutcome = "SS"; // 4. Have same scope
else if (iL1 <= iL2 && iR1 >= iR2)
strOutcome = "1C2"; // 5. XP1's translation covers XP2's
else if (iL1 >= iL2 && iR1 <= iR2)
strOutcome = "2C1"; // 6. XP2's translation covers XP1's
else if (iR1 < iL2) {
int i = iR1 + 1;
/*while (i < iL2) {
if (pAlign->fnIsAligned(i, false))
break;
i++;
}*/
if (i == iL2)
strOutcome = "M"; // 7. Monotone
else
strOutcome = "DM"; // 8. Discontinuous monotone
} else if (iL1 < iL2 && iL2 <= iR1 && iR1 < iR2)
strOutcome = "OM"; // 9. Overlap monotone
else if (iR2 < iL1) {
int i = iR2 + 1;
/*while (i < iL1) {
if (pAlign->fnIsAligned(i, false))
break;
i++;
}*/
if (i == iL1)
strOutcome = "S"; // 10. Swap
else
strOutcome = "DS"; // 11. Discontinuous swap
} else if (iL2 < iL1 && iL1 <= iR2 && iR2 < iR1)
strOutcome = "OS"; // 12. Overlap swap
else
assert(false);
}
inline void fnGetOutcome(int i1, int i2, string& strOutcome) {
assert(i1 != i2);
if (i1 < i2) {
if (i2 > i1 + 1)
strOutcome = string("DM");
else
strOutcome = string("M");
} else {
if (i1 > i2 + 1)
strOutcome = string("DS");
else
strOutcome = string("S");
}
}
inline void fnGetRelativePosition(const vector<int>& vecLeft,
vector<int>& vecPosition) {
vecPosition.clear();
vector<float> vec;
for (size_t i = 0; i < vecLeft.size(); i++) {
if (vecLeft[i] == -1) {
if (i == 0)
vec.push_back(-1);
else
vec.push_back(vecLeft[i - 1] + 0.1);
} else
vec.push_back(vecLeft[i]);
}
for (size_t i = 0; i < vecLeft.size(); i++) {
int count = 0;
for (size_t j = 0; j < vecLeft.size(); j++) {
if (j == i) continue;
if (vec[j] < vec[i]) {
count++;
} else if (vec[j] == vec[i] && j < i) {
count++;
}
}
vecPosition.push_back(count);
}
}
/*
* features:
* f1: (left_label, right_label, parent_label)
* f2: (left_label, right_label, parent_label, other_right_sibling_label)
* f3: (left_label, right_label, parent_label, other_left_sibling_label)
* f4: (left_label, right_label, left_head_pos)
* f5: (left_label, right_label, left_head_word)
* f6: (left_label, right_label, right_head_pos)
* f7: (left_label, right_label, right_head_word)
* f8: (left_label, right_label, left_chunk_status)
* f9: (left_label, right_label, right_chunk_status)
* f10: (left_label, parent_label)
* f11: (right_label, parent_label)
*/
void fnGenerateInstance(const SParsedTree* pTree, const STreeItem* pParent,
int iPos, const vector<string>& vecChunkStatus,
const vector<int>& vecPosition,
const vector<string>& vecSTerms,
const vector<string>& vecTTerms, string& strOutcome,
ostringstream& ostr) {
STreeItem* pCon1, *pCon2;
pCon1 = pParent->m_vecChildren[iPos - 1];
pCon2 = pParent->m_vecChildren[iPos];
fnGetOutcome(vecPosition[iPos - 1], vecPosition[iPos], strOutcome);
string left_label = string(pCon1->m_pszTerm);
string right_label = string(pCon2->m_pszTerm);
string parent_label = string(pParent->m_pszTerm);
vector<string> vec_other_right_sibling;
for (int i = iPos + 1; i < pParent->m_vecChildren.size(); i++)
vec_other_right_sibling.push_back(
string(pParent->m_vecChildren[i]->m_pszTerm));
if (vec_other_right_sibling.size() == 0)
vec_other_right_sibling.push_back(string("NULL"));
vector<string> vec_other_left_sibling;
for (int i = 0; i < iPos - 1; i++)
vec_other_left_sibling.push_back(
string(pParent->m_vecChildren[i]->m_pszTerm));
if (vec_other_left_sibling.size() == 0)
vec_other_left_sibling.push_back(string("NULL"));
// generate features
// f1
ostr << "f1=" << left_label << "_" << right_label << "_" << parent_label;
// f2
for (int i = 0; i < vec_other_right_sibling.size(); i++)
ostr << " f2=" << left_label << "_" << right_label << "_" << parent_label
<< "_" << vec_other_right_sibling[i];
// f3
for (int i = 0; i < vec_other_left_sibling.size(); i++)
ostr << " f3=" << left_label << "_" << right_label << "_" << parent_label
<< "_" << vec_other_left_sibling[i];
// f4
ostr << " f4=" << left_label << "_" << right_label << "_"
<< pTree->m_vecTerminals[pCon1->m_iHeadWord]->m_ptParent->m_pszTerm;
// f5
ostr << " f5=" << left_label << "_" << right_label << "_"
<< vecSTerms[pCon1->m_iHeadWord];
// f6
ostr << " f6=" << left_label << "_" << right_label << "_"
<< pTree->m_vecTerminals[pCon2->m_iHeadWord]->m_ptParent->m_pszTerm;
// f7
ostr << " f7=" << left_label << "_" << right_label << "_"
<< vecSTerms[pCon2->m_iHeadWord];
// f8
ostr << " f8=" << left_label << "_" << right_label << "_"
<< vecChunkStatus[iPos - 1];
// f9
ostr << " f9=" << left_label << "_" << right_label << "_"
<< vecChunkStatus[iPos];
// f10
ostr << " f10=" << left_label << "_" << parent_label;
// f11
ostr << " f11=" << right_label << "_" << parent_label;
}
/*
* Source side (11 features):
* f1: the categories of XP1 and XP2 (f1_1, f1_2)
* f2: the head words of XP1 and XP2 (f2_1, f2_2)
* f3: the first and last word of XP1 (f3_f, f3_l)
* f4: the first and last word of XP2 (f4_f, f4_l)
* f5: is XP1 or XP2 the head node (f5_1, f5_2)
* f6: the category of the common parent
* Target side (6 features):
* f7: the first and the last word of XP1's translation (f7_f, f7_l)
* f8: the first and the last word of XP2's translation (f8_f, f8_l)
* f9: the translation of XP1's and XP2's head word (f9_1, f9_2)
*/
void fnGenerateInstance(const SParsedTree* pTree, const STreeItem* pParent,
const STreeItem* pCon1, const STreeItem* pCon2,
const SAlignment* pAlign,
const vector<string>& vecSTerms,
const vector<string>& vecTTerms, string& strOutcome,
ostringstream& ostr) {
int iLeft1, iRight1, iLeft2, iRight2;
pAlign->fnGetLeftRightMost(pCon1->m_iBegin, pCon1->m_iEnd, true, iLeft1,
iRight1);
pAlign->fnGetLeftRightMost(pCon2->m_iBegin, pCon2->m_iEnd, true, iLeft2,
iRight2);
fnGetOutcome(iLeft1, iRight1, iLeft2, iRight2, pAlign, strOutcome);
// generate features
// f1
ostr << "f1_1=" << pCon1->m_pszTerm << " f1_2=" << pCon2->m_pszTerm;
// f2
ostr << " f2_1=" << vecSTerms[pCon1->m_iHeadWord] << " f2_2"
<< vecSTerms[pCon2->m_iHeadWord];
// f3
ostr << " f3_f=" << vecSTerms[pCon1->m_iBegin]
<< " f3_l=" << vecSTerms[pCon1->m_iEnd];
// f4
ostr << " f4_f=" << vecSTerms[pCon2->m_iBegin]
<< " f4_l=" << vecSTerms[pCon2->m_iEnd];
// f5
if (pParent->m_iHeadChild == pCon1->m_iBrotherIndex)
ostr << " f5_1=1";
else
ostr << " f5_1=0";
if (pParent->m_iHeadChild == pCon2->m_iBrotherIndex)
ostr << " f5_2=1";
else
ostr << " f5_2=0";
// f6
ostr << " f6=" << pParent->m_pszTerm;
/*//f7
if (iLeft1 != -1) {
ostr << " f7_f=" << vecTTerms[iLeft1] << " f7_l=" <<
vecTTerms[iRight1];
}
if (iLeft2 != -1) {
ostr << " f8_f=" << vecTTerms[iLeft2] << " f8_l=" <<
vecTTerms[iRight2];
}
const vector<int>* pvecTarget =
pAlign->fnGetSingleWordAlign(pCon1->m_iHeadWord, true);
string str = "";
for (size_t i = 0; pvecTarget != NULL && i < pvecTarget->size(); i++) {
str += vecTTerms[(*pvecTarget)[i]] + "_";
}
if (str.length() > 0) {
ostr << " f9_1=" << str.substr(0, str.size()-1);
}
pvecTarget = pAlign->fnGetSingleWordAlign(pCon2->m_iHeadWord, true);
str = "";
for (size_t i = 0; pvecTarget != NULL && i < pvecTarget->size(); i++) {
str += vecTTerms[(*pvecTarget)[i]] + "_";
}
if (str.length() > 0) {
ostr << " f9_2=" << str.substr(0, str.size()-1);
} */
}
void fnGetFocusedParentNodes(const SParsedTree* pTree,
vector<STreeItem*>& vecFocused) {
for (size_t i = 0; i < pTree->m_vecTerminals.size(); i++) {
STreeItem* pParent = pTree->m_vecTerminals[i]->m_ptParent;
while (pParent != NULL) {
// if (pParent->m_vecChildren.size() > 1 && pParent->m_iEnd -
// pParent->m_iBegin > 5) {
if (pParent->m_vecChildren.size() > 1) {
// do constituent reordering for all children of pParent
vecFocused.push_back(pParent);
}
if (pParent->m_iBrotherIndex != 0) break;
pParent = pParent->m_ptParent;
}
}
}
void fnGenerateInstanceFile(
const char* pszSynFname, // source-side flattened parse tree file name
const char* pszAlignFname, // alignment filename
const char* pszSourceFname, // source file name
const char* pszTargetFname, // target file name
const char* pszInstanceFname // training instance file name
) {
SAlignmentReader* pAlignReader = new SAlignmentReader(pszAlignFname);
SParseReader* pParseReader = new SParseReader(pszSynFname, false);
STxtFileReader* pTxtSReader = new STxtFileReader(pszSourceFname);
STxtFileReader* pTxtTReader = new STxtFileReader(pszTargetFname);
string strInstanceLeftFname = string(pszInstanceFname) + string(".left");
string strInstanceRightFname = string(pszInstanceFname) + string(".right");
FILE* fpLeftOut = fopen(strInstanceLeftFname.c_str(), "w");
assert(fpLeftOut != NULL);
FILE* fpRightOut = fopen(strInstanceRightFname.c_str(), "w");
assert(fpRightOut != NULL);
// read sentence by sentence
SAlignment* pAlign;
SParsedTree* pTree;
char* pszLine = new char[50001];
int iSentNum = 0;
while ((pAlign = pAlignReader->fnReadNextAlignment()) != NULL) {
pTree = pParseReader->fnReadNextParseTree();
assert(pTxtSReader->fnReadNextLine(pszLine, NULL));
vector<string> vecSTerms;
SplitOnWhitespace(string(pszLine), &vecSTerms);
assert(pTxtTReader->fnReadNextLine(pszLine, NULL));
vector<string> vecTTerms;
SplitOnWhitespace(string(pszLine), &vecTTerms);
if (pTree != NULL) {
vector<STreeItem*> vecFocused;
fnGetFocusedParentNodes(pTree, vecFocused);
for (size_t i = 0; i < vecFocused.size(); i++) {
STreeItem* pParent = vecFocused[i];
vector<int> vecLeft, vecRight;
for (size_t j = 0; j < pParent->m_vecChildren.size(); j++) {
STreeItem* pCon1 = pParent->m_vecChildren[j];
int iLeft1, iRight1;
pAlign->fnGetLeftRightMost(pCon1->m_iBegin, pCon1->m_iEnd, true,
iLeft1, iRight1);
vecLeft.push_back(iLeft1);
vecRight.push_back(iRight1);
}
vector<int> vecLeftPosition;
fnGetRelativePosition(vecLeft, vecLeftPosition);
vector<int> vecRightPosition;
fnGetRelativePosition(vecRight, vecRightPosition);
vector<string> vecChunkStatus;
for (size_t j = 0; j < pParent->m_vecChildren.size(); j++) {
string strOutcome =
pAlign->fnIsContinuous(pParent->m_vecChildren[j]->m_iBegin,
pParent->m_vecChildren[j]->m_iEnd);
vecChunkStatus.push_back(strOutcome);
}
for (size_t j = 1; j < pParent->m_vecChildren.size(); j++) {
// children[j-1] vs. children[j] reordering
string strLeftOutcome;
ostringstream ostr;
fnGenerateInstance(pTree, pParent, j, vecChunkStatus,
vecLeftPosition, vecSTerms, vecTTerms,
strLeftOutcome, ostr);
// fprintf(stderr, "%s %s\n", ostr.str().c_str(),
// strLeftOutcome.c_str());
fprintf(fpLeftOut, "%s %s\n", ostr.str().c_str(),
strLeftOutcome.c_str());
string strRightOutcome;
fnGetOutcome(vecRightPosition[j - 1], vecRightPosition[j],
strRightOutcome);
fprintf(fpRightOut, "%s LeftOrder=%s %s\n", ostr.str().c_str(),
strLeftOutcome.c_str(), strRightOutcome.c_str());
}
}
delete pTree;
}
delete pAlign;
iSentNum++;
if (iSentNum % 100000 == 0) fprintf(stderr, "#%d\n", iSentNum);
}
fclose(fpLeftOut);
fclose(fpRightOut);
delete pAlignReader;
delete pParseReader;
delete pTxtSReader;
delete pTxtTReader;
delete[] pszLine;
}
void fnGenerateInstanceFile2(
const char* pszSynFname, // source-side flattened parse tree file name
const char* pszAlignFname, // alignment filename
const char* pszSourceFname, // source file name
const char* pszTargetFname, // target file name
const char* pszInstanceFname // training instance file name
) {
SAlignmentReader* pAlignReader = new SAlignmentReader(pszAlignFname);
SParseReader* pParseReader = new SParseReader(pszSynFname, false);
STxtFileReader* pTxtSReader = new STxtFileReader(pszSourceFname);
STxtFileReader* pTxtTReader = new STxtFileReader(pszTargetFname);
FILE* fpOut = fopen(pszInstanceFname, "w");
assert(fpOut != NULL);
// read sentence by sentence
SAlignment* pAlign;
SParsedTree* pTree;
char* pszLine = new char[50001];
int iSentNum = 0;
while ((pAlign = pAlignReader->fnReadNextAlignment()) != NULL) {
pTree = pParseReader->fnReadNextParseTree();
assert(pTxtSReader->fnReadNextLine(pszLine, NULL));
vector<string> vecSTerms;
SplitOnWhitespace(string(pszLine), &vecSTerms);
assert(pTxtTReader->fnReadNextLine(pszLine, NULL));
vector<string> vecTTerms;
SplitOnWhitespace(string(pszLine), &vecTTerms);
if (pTree != NULL) {
vector<STreeItem*> vecFocused;
fnGetFocusedParentNodes(pTree, vecFocused);
for (size_t i = 0;
i < vecFocused.size() && pTree->m_vecTerminals.size() > 10; i++) {
STreeItem* pParent = vecFocused[i];
for (size_t j = 1; j < pParent->m_vecChildren.size(); j++) {
// children[j-1] vs. children[j] reordering
string strOutcome;
ostringstream ostr;
fnGenerateInstance(pTree, pParent, pParent->m_vecChildren[j - 1],
pParent->m_vecChildren[j], pAlign, vecSTerms,
vecTTerms, strOutcome, ostr);
// fprintf(stderr, "%s %s\n", ostr.str().c_str(),
// strOutcome.c_str());
fprintf(fpOut, "%s %s\n", ostr.str().c_str(), strOutcome.c_str());
}
}
delete pTree;
}
delete pAlign;
iSentNum++;
if (iSentNum % 100000 == 0) fprintf(stderr, "#%d\n", iSentNum);
}
fclose(fpOut);
delete pAlignReader;
delete pParseReader;
delete pTxtSReader;
delete pTxtTReader;
delete[] pszLine;
}
};
struct SConstContTrainer {
SConstContTrainer(
const char* pszFlattenedSynFname, // source-side flattened parse tree
// file name
const char* pszAlignFname, // alignment filename
const char* pszSourceFname, // source file name
const char* pszTargetFname, // target file name
const char* pszInstanceFname, // training instance file name
const char* pszModelPrefix, // classifier model file name prefix
int iClassifierType, // classifier type
int iCutoff, // feature count threshold
const char* pszOption // other classifier parameters (for svmlight)
) {
fnGenerateInstanceFile(pszFlattenedSynFname, pszAlignFname, pszSourceFname,
pszTargetFname, pszInstanceFname);
// fnTraining(pszInstanceFname, pszModelPrefix, iClassifierType, iCutoff,
// pszOption);
fnTraining(pszInstanceFname, pszModelPrefix, iCutoff);
}
~SConstContTrainer() {}
private:
void fnTraining(const char* pszInstanceFname, const char* pszModelFname,
int iCutoff) {
char* pszNewInstanceFName = new char[strlen(pszInstanceFname) + 50];
if (iCutoff > 0) {
sprintf(pszNewInstanceFName, "%s.tmp", pszInstanceFname);
fnPreparingTrainingdata(pszInstanceFname, iCutoff, pszNewInstanceFName);
} else {
strcpy(pszNewInstanceFName, pszInstanceFname);
}
/*Zhangle_Maxent *pZhangleMaxent = new Zhangle_Maxent(NULL);
pZhangleMaxent->fnTrain(pszInstanceFname, "lbfgs", pszModelFname, 100,
2.0);
delete pZhangleMaxent;*/
Tsuruoka_Maxent* pMaxent = new Tsuruoka_Maxent(NULL);
pMaxent->fnTrain(pszInstanceFname, "l1", pszModelFname, 300);
delete pMaxent;
if (strcmp(pszNewInstanceFName, pszInstanceFname) != 0) {
sprintf(pszNewInstanceFName, "rm %s.tmp", pszInstanceFname);
system(pszNewInstanceFName);
}
delete[] pszNewInstanceFName;
}
void fnGetFocusedParentNodes(const SParsedTree* pTree,
vector<STreeItem*>& vecFocused) {
for (size_t i = 0; i < pTree->m_vecTerminals.size(); i++) {
STreeItem* pParent = pTree->m_vecTerminals[i]->m_ptParent;
while (pParent != NULL) {
// if (pParent->m_vecChildren.size() > 1 && pParent->m_iEnd -
// pParent->m_iBegin > 5) {
if (pParent->m_vecChildren.size() > 1) {
// do constituent reordering for all children of pParent
vecFocused.push_back(pParent);
}
if (pParent->m_iBrotherIndex != 0) break;
pParent = pParent->m_ptParent;
}
}
}
inline void fnGetOutcome(int iL1, int iR1, const SAlignment* pAlign,
string& strOutcome) {
strOutcome = pAlign->fnIsContinuous(iL1, iR1);
}
inline string fnGetLengthType(int iLen) {
if (iLen == 1) return string("1");
if (iLen == 2) return string("2");
if (iLen == 3) return string("3");
if (iLen < 6) return string("4");
if (iLen < 11) return string("6");
return string("11");
}
/*
* Source side (11 features):
* f1: the syntactic category
* f2: the syntactic category of its parent
* f3: the head word's pos
* f4: =1 if it's the head of its parent node
* or
* the head of its parent node
* f5: length type
*/
void fnGenerateInstance(const SParsedTree* pTree, const STreeItem* pCon1,
const SAlignment* pAlign,
const vector<string>& vecSTerms,
const vector<string>& vecTTerms, string& strOutcome,
ostringstream& ostr) {
fnGetOutcome(pCon1->m_iBegin, pCon1->m_iEnd, pAlign, strOutcome);
// generate features
// f1
ostr << "f1=" << pCon1->m_pszTerm;
// f2
ostr << " f2=" << pCon1->m_ptParent->m_pszTerm;
// f3
ostr << " f3=" << pTree->m_vecTerminals[pCon1->m_iHeadWord]
->m_ptParent->m_pszTerm;
// f4
if (pCon1->m_iBrotherIndex == pCon1->m_ptParent->m_iHeadChild) {
ostr << " f4=1";
} else {
ostr << " f4="
<< pCon1->m_ptParent->m_vecChildren[pCon1->m_ptParent->m_iHeadChild]
->m_pszTerm;
}
// f5
ostr << " f5=" << fnGetLengthType(pCon1->m_iEnd - pCon1->m_iBegin + 1);
}
void fnGenerateInstanceFile(
const char* pszFlattenedSynFname, // source-side flattened parse tree
// file name
const char* pszAlignFname, // alignment filename
const char* pszSourceFname, // source file name
const char* pszTargetFname, // target file name
const char* pszInstanceFname // training instance file name
) {
SAlignmentReader* pAlignReader = new SAlignmentReader(pszAlignFname);
SParseReader* pParseReader = new SParseReader(pszFlattenedSynFname, true);
STxtFileReader* pTxtSReader = new STxtFileReader(pszSourceFname);
STxtFileReader* pTxtTReader = new STxtFileReader(pszTargetFname);
FILE* fpOut = fopen(pszInstanceFname, "w");
assert(fpOut != NULL);
// read sentence by sentence
SAlignment* pAlign;
SParsedTree* pTree;
char* pszLine = new char[50001];
int iSentNum = 0;
while ((pAlign = pAlignReader->fnReadNextAlignment()) != NULL) {
pTree = pParseReader->fnReadNextParseTree();
assert(pTree != NULL);
assert(pTxtSReader->fnReadNextLine(pszLine, NULL));
vector<string> vecSTerms;
SplitOnWhitespace(string(pszLine), &vecSTerms);
assert(pTxtTReader->fnReadNextLine(pszLine, NULL));
vector<string> vecTTerms;
SplitOnWhitespace(string(pszLine), &vecTTerms);
vector<STreeItem*> vecFocused;
fnGetFocusedParentNodes(pTree, vecFocused);
for (size_t i = 0;
i < vecFocused.size() && pTree->m_vecTerminals.size() > 10; i++) {
STreeItem* pParent = vecFocused[i];
for (size_t j = 0; j < pParent->m_vecChildren.size(); j++) {
// children[j-1] vs. children[j] reordering
string strOutcome;
ostringstream ostr;
fnGenerateInstance(pTree, pParent->m_vecChildren[j], pAlign,
vecSTerms, vecTTerms, strOutcome, ostr);
// fprintf(stderr, "%s %s\n", ostr.str().c_str(), strOutcome.c_str());
fprintf(fpOut, "%s %s\n", ostr.str().c_str(), strOutcome.c_str());
}
}
delete pAlign;
delete pTree;
iSentNum++;
if (iSentNum % 100000 == 0) fprintf(stderr, "#%d\n", iSentNum);
}
fclose(fpOut);
delete pAlignReader;
delete pParseReader;
delete pTxtSReader;
delete pTxtTReader;
delete[] pszLine;
}
};
inline void print_options(std::ostream& out,
po::options_description const& opts) {
typedef std::vector<boost::shared_ptr<po::option_description> > Ds;
Ds const& ds = opts.options();
out << '"';
for (unsigned i = 0; i < ds.size(); ++i) {
if (i) out << ' ';
out << "--" << ds[i]->long_name();
}
out << '\n';
}
inline string str(char const* name, po::variables_map const& conf) {
return conf[name].as<string>();
}
//--parse_file /scratch0/mt_exp/gq-ctb/data/train.srl.cn --align_file
///scratch0/mt_exp/gq-ctb/data/aligned.grow-diag-final-and --source_file
///scratch0/mt_exp/gq-ctb/data/train.cn --target_file
///scratch0/mt_exp/gq-ctb/data/train.en --instance_file
///scratch0/mt_exp/gq-ctb/data/srl-instance --model_prefix
///scratch0/mt_exp/gq-ctb/data/srl-instance --feature_cutoff 10
//--classifier_type 1
int main(int argc, char** argv) {
po::options_description opts("Configuration options");
opts.add_options()("parse_file", po::value<string>(),
"parse file path (input)")(
"align_file", po::value<string>(), "Alignment file path (input)")(
"source_file", po::value<string>(), "Source text file path (input)")(
"target_file", po::value<string>(), "Target text file path (input)")(
"instance_file", po::value<string>(), "Instance file path (output)")(
"model_prefix", po::value<string>(),
"Model file path prefix (output): three files will be generated")(
"classifier_type", po::value<int>()->default_value(1),
"Classifier type: 1 for openNLP maxent; 2 for Zhangle maxent; and 3 for "
"SVMLight")("feature_cutoff", po::value<int>()->default_value(100),
"Feature cutoff threshold")(
"svm_option", po::value<string>(), "Parameters for SVMLight classifier")(
"help", "produce help message");
po::variables_map vm;
if (argc) {
po::store(po::parse_command_line(argc, argv, opts), vm);
po::notify(vm);
}
if (vm.count("help")) {
print_options(cout, opts);
return 1;
}
if (!vm.count("parse_file") || !vm.count("align_file") ||
!vm.count("source_file") || !vm.count("target_file") ||
!vm.count("instance_file") || !vm.count("model_prefix")) {
print_options(cout, opts);
if (!vm.count("parse_file")) cout << "--parse_file NOT FOUND\n";
if (!vm.count("align_file")) cout << "--align_file NOT FOUND\n";
if (!vm.count("source_file")) cout << "--source_file NOT FOUND\n";
if (!vm.count("target_file")) cout << "--target_file NOT FOUND\n";
if (!vm.count("instance_file")) cout << "--instance_file NOT FOUND\n";
if (!vm.count("model_prefix")) cout << "--model_prefix NOT FOUND\n";
exit(0);
}
const char* pOption;
if (vm.count("svm_option"))
pOption = str("svm_option", vm).c_str();
else
pOption = NULL;
SConstReorderTrainer* pTrainer = new SConstReorderTrainer(
str("parse_file", vm).c_str(), str("align_file", vm).c_str(),
str("source_file", vm).c_str(), str("target_file", vm).c_str(),
str("instance_file", vm).c_str(), str("model_prefix", vm).c_str(),
vm["classifier_type"].as<int>(), vm["feature_cutoff"].as<int>(), pOption);
delete pTrainer;
return 1;
}
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