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Diffstat (limited to 'utils/synutils/argument_reorder_model.h')
| -rw-r--r-- | utils/synutils/argument_reorder_model.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/utils/synutils/argument_reorder_model.h b/utils/synutils/argument_reorder_model.h new file mode 100644 index 00000000..b553b34b --- /dev/null +++ b/utils/synutils/argument_reorder_model.h @@ -0,0 +1,222 @@ +/* + * argument_reorder_model.h + * + * Created on: Dec 15, 2013 + * Author: lijunhui + */ + +#ifndef ARGUMENT_REORDER_MODEL_H_ +#define ARGUMENT_REORDER_MODEL_H_ + +#include "alignment.h" +#include "tree.h" +#include "srl_sentence.h" + + +//an argument item or a predicate item (the verb itself) +struct SSRLItem{ + SSRLItem(const STreeItem *tree_item, string role): + tree_item_(tree_item), + role_(role) { + + } + ~SSRLItem() { + + } + const STreeItem *tree_item_; + const string role_; +}; + +struct SPredicateItem{ + SPredicateItem(const SParsedTree *tree, const SPredicate *pred): + pred_(pred) { + vec_items_.reserve(pred->m_vecArgt.size() + 1); + for (int i = 0; i < pred->m_vecArgt.size(); i++) { + vec_items_.push_back(new SSRLItem(pred->m_vecArgt[i]->m_pTreeItem, string(pred->m_vecArgt[i]->m_pszRole))); + } + vec_items_.push_back(new SSRLItem(tree->m_vecTerminals[pred->m_iPosition]->m_ptParent, string("Pred"))); + sort(vec_items_.begin(), vec_items_.end(), SortFunction); + + begin_ = vec_items_[0]->tree_item_->m_iBegin; + end_ = vec_items_[vec_items_.size() - 1]->tree_item_->m_iEnd; + } + + ~SPredicateItem() { + vec_items_.clear(); + } + + static bool SortFunction (SSRLItem *i, SSRLItem* j) { return (i->tree_item_->m_iBegin < j->tree_item_->m_iBegin); } + + vector<SSRLItem*> vec_items_; + int begin_; + int end_; + const SPredicate *pred_; +}; + +struct SArgumentReorderModel { +public: + static string fnGetBlockOutcome(int iBegin, int iEnd, SAlignment *pAlign) { + return pAlign->fnIsContinuous(iBegin, iEnd); + } + static void fnGetReorderType(SPredicateItem *pPredItem, SAlignment *pAlign, vector<string>& vecStrLeftReorder, vector<string>& vecStrRightReorder) { + vector<int> vecLeft, vecRight; + for (int i = 0; i < pPredItem->vec_items_.size(); i++) { + const STreeItem *pCon1 = pPredItem->vec_items_[i]->tree_item_; + 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); + + vecStrLeftReorder.clear(); + vecStrRightReorder.clear(); + for (int i = 1; i < vecLeftPosition.size(); i++) { + string strOutcome; + fnGetOutcome(vecLeftPosition[i - 1], vecLeftPosition[i], strOutcome); + vecStrLeftReorder.push_back(strOutcome); + fnGetOutcome(vecRightPosition[i - 1], vecRightPosition[i], strOutcome); + vecStrRightReorder.push_back(strOutcome); + } + } + + /* + * 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) + * + * f1: (left_role, right_role, predicate_term) + * f2: (left_role, right_role, predicate_term, other_right_role) + * f3: (left_role, right_role, predicate_term, other_left_role) + * f4: (left_role, right_role, left_head_pos) + * f5: (left_role, right_role, left_head_word) + * f6: (left_role, right_role, left_syntactic_label) + * f7: (left_role, right_role, right_head_pos) + * f8: (left_role, right_role, right_head_word) + * f8: (left_role, right_role, right_syntactic_label) + * f8: (left_role, right_role, left_chunk_status) + * f9: (left_role, right_role, right_chunk_status) + * f10: (left_role, right_role, left_chunk_status) + * f11: (left_role, right_role, right_chunk_status) + * f12: (left_label, parent_label) + * f13: (right_label, parent_label) + */ + static void fnGenerateFeature(const SParsedTree *pTree, const SPredicate *pPred, const SPredicateItem *pPredItem, int iPos, const string& strBlock1, const string& strBlock2, ostringstream& ostr) { + SSRLItem *pSRLItem1 = pPredItem->vec_items_[iPos - 1]; + SSRLItem *pSRLItem2 = pPredItem->vec_items_[iPos]; + const STreeItem *pCon1 = pSRLItem1->tree_item_; + const STreeItem *pCon2 = pSRLItem2->tree_item_; + + string left_role = pSRLItem1->role_; + string right_role = pSRLItem2->role_; + + string predicate_term = pTree->m_vecTerminals[pPred->m_iPosition]->m_pszTerm; + + vector<string> vec_other_right_sibling; + for (int i = iPos + 1; i < pPredItem->vec_items_.size(); i++) + vec_other_right_sibling.push_back(string(pPredItem->vec_items_[i]->role_)); + 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_right_sibling.push_back(string(pPredItem->vec_items_[i]->role_)); + if (vec_other_left_sibling.size() == 0) + vec_other_left_sibling.push_back(string("NULL")); + + + //generate features + //f1 + ostr << "f1=" << left_role << "_" << right_role << "_" << predicate_term; + ostr << "f1=" << left_role << "_" << right_role; + + //f2 + for (int i = 0; i < vec_other_right_sibling.size(); i++) { + ostr << " f2=" << left_role << "_" << right_role << "_" << predicate_term << "_" << vec_other_right_sibling[i]; + ostr << " f2=" << left_role << "_" << right_role << "_" << vec_other_right_sibling[i]; + } + //f3 + for (int i = 0; i < vec_other_left_sibling.size(); i++) { + ostr << " f3=" << left_role << "_" << right_role << "_" << predicate_term << "_" << vec_other_left_sibling[i]; + ostr << " f3=" << left_role << "_" << right_role << "_" << vec_other_left_sibling[i]; + } + //f4 + ostr << " f4=" << left_role << "_" << right_role << "_" << pTree->m_vecTerminals[pCon1->m_iHeadWord]->m_ptParent->m_pszTerm; + //f5 + ostr << " f5=" << left_role << "_" << right_role << "_" << pTree->m_vecTerminals[pCon1->m_iHeadWord]->m_pszTerm; + //f6 + ostr << " f6=" << left_role << "_" << right_role << "_" << pCon2->m_pszTerm; + //f7 + ostr << " f7=" << left_role << "_" << right_role << "_" << pTree->m_vecTerminals[pCon2->m_iHeadWord]->m_ptParent->m_pszTerm; + //f8 + ostr << " f8=" << left_role << "_" << right_role << "_" << pTree->m_vecTerminals[pCon2->m_iHeadWord]->m_pszTerm; + //f9 + ostr << " f9=" << left_role << "_" << right_role << "_" << pCon2->m_pszTerm; + //f10 + ostr << " f10=" << left_role << "_" << right_role << "_" << strBlock1; + //f11 + ostr << " f11=" << left_role << "_" << right_role << "_" << strBlock2; + //f12 + ostr << " f12=" << left_role << "_" << predicate_term; + ostr << " f12=" << left_role; + //f13 + ostr << " f13=" << right_role << "_" << predicate_term; + ostr << " f13=" << right_role; + } + +private: + static 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"); + } + } + + static void fnGetRelativePosition(const vector<int>& vecLeft, vector<int>& vecPosition) { + vecPosition.clear(); + + vector<float> vec; + for (int 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 (int i = 0; i < vecLeft.size(); i++) { + int count = 0; + + for (int 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); + } + } +}; + + +#endif /* ARGUMENT_REORDER_MODEL_H_ */ |