완

@@ -159,18 +159,53 @@ void GraphItem::read_more()
 			year = stoi(year_str);
 			node_title_map[*vi] = title;
 			node_year_map[*vi] = year;
-#endif // CITATION_COUNT
-
+			
 			//카테고리 계산 및 accuracy 계산
 			//--> case insensitive
-			
+			double max_acc = -1;
+			int max_acc_idx;
+			vector<string> title_words;
+			for (int j = 0; j < keywords.size(); ++j) {
+				auto& paper_category = keywords[j];
+				const int& category_sz = paper_category.size();
+				int match_cnt = 0;
+
+				//논문제목을 word들로 분할
+				boost::split(title_words, title, boost::is_any_of(" "), boost::token_compress_on);
+				for (auto& keyword : paper_category) {	
+					//각 word마다 수행
+					for (auto& word: title_words) {
+						if (boost::iequals(word, keyword)) {
+							++match_cnt;
+							break;
+						}
+					}
+				}
+
+				double acc = (double)match_cnt / category_sz;
+				if (max_acc < acc && match_cnt != 0) {
+					max_acc = acc;
+					max_acc_idx = j;
+				}
+			}
+			if (max_acc_idx == keywords.size() - 1
+				&& max_acc != -1) {
+				//no category detected
+				node_category_map[*vi] = CS_OH;
+				node_category_accuracy_map[*vi] = 0.0;
+			}
+			else {
+				node_category_map[*vi] = max_acc_idx;
+				node_category_accuracy_map[*vi] = max_acc;
+			}
+
+
+#endif // CITATION_COUNT
 		} else {
 			//Author
 			boost::put(vertex_type, *graph, *vi, NODE_TYPE::NODE_AUTHOR);
 		}
 
-		
-
 		//counter
 		//printf("%d end: %s\n", i, node_label.c_str());
 		++i;
@@ -255,10 +290,12 @@ void GraphItem::read_more()
 		//make node item and push it to list
 		NodeItem *node;
 		if (nt == NODE_TYPE::NODE_PAPER) {
-			node = new NodeItem(p[0], p[1], QColor(Qt::darkGreen), QString(name.c_str()), nt);
+			node = new NodeItem(p[0], p[1], QColor(Qt::darkGreen), QString(name.c_str()), nt,
+				node_category_map[*vi], node_category_accuracy_map[*vi], node_year_map[*vi]);
 		}
 		else {
-			node = new NodeItem(p[0], p[1], QColor(Qt::green), QString(name.c_str()), nt);
+			node = new NodeItem(p[0], p[1], QColor(Qt::green), QString(name.c_str()), nt,
+				-1, -1, -1);
 		}
 		node->setPos(QPointF(p[0], p[1]));
 		nodeList << node;
@@ -965,6 +1002,17 @@ void GraphItem::topk_with_pagerank() {
 	delete[] topk_arr;
 }
 
+void GraphItem::category_visualize() {
+	//전체노드 색 변경
+	for (auto& n : nodeList) {
+		n->setColor(Qt::lightGray);
+
+		if (n->getType() == NODE_TYPE::NODE_AUTHOR) continue;
+
+		n->setColor(QColor(category_colors[n->getCategory()].c_str()));
+	}
+}
+
 void GraphItem::reset_color()
 {
 	for (auto& n: nodeList) {

@@ -8,7 +8,7 @@
 using namespace std;
 using namespace boost;
 
-//#define	CITATION_COUNT
+#define	CITATION_COUNT
 
 class GraphItem
 	: public QGraphicsItem
@@ -33,6 +33,7 @@ public:
 	//void topK_using_custom_score();
 	void find_shortest_path();
 	void topk_with_pagerank();
+	void category_visualize();
 	void reset_color();
 
 	//test

@@ -55,6 +55,9 @@ void MainWindow::createActions()
 	topkWithPagerankAct = new QAction(tr("topK with pagerank"), this);
 	topkWithPagerankAct->setStatusTip(tr("highlight which is in top k pagerank in whole graph"));
 	connect(topkWithPagerankAct, &QAction::triggered, this, &MainWindow::topk_with_pagerank);
+	categoryVisualizeAct = new QAction(tr("category visualize"), this);
+	categoryVisualizeAct->setStatusTip(tr("category visualization"));
+	connect(categoryVisualizeAct, &QAction::triggered, this, &MainWindow::category_visualize);
 
 	resetColorAct = new QAction(tr("Reset colors"), this);
 	resetColorAct->setStatusTip(tr("Reset all node's color"));
@@ -77,6 +80,7 @@ void MainWindow::createMenus()
 	actionMenu->addAction(topKWithTargetAct);
 	actionMenu->addAction(findShortestPathAct);
 	actionMenu->addAction(topkWithPagerankAct);
+	actionMenu->addAction(categoryVisualizeAct);
 
 	actionMenu->addAction(resetColorAct);
 
@@ -117,6 +121,10 @@ void MainWindow::topk_with_pagerank() {
 	graphWidget->topk_with_pagerank();
 }
 
+void MainWindow::category_visualize() {
+	graphWidget->category_visualize();
+}
+
 void MainWindow::reset_color()
 {
 	graphWidget->reset_color();

@@ -27,6 +27,7 @@ private:
 	QAction *resetColorAct;
 	QAction *topkWithPagerankAct;
 	QAction *findShortestPathAct;
+	QAction *categoryVisualizeAct;
 	
 	//test
 	QMenu *testMenu;
@@ -43,6 +44,7 @@ private slots:
 	void topK_with_target();
 	void find_shortest_path();
 	void topk_with_pagerank();
+	void category_visualize();
 	void reset_color();
 	//test
 	void test();

@@ -22,7 +22,8 @@ void NodeItem::mouseReleaseEvent(QGraphicsSceneMouseEvent * event)
 {
 }
 
-NodeItem::NodeItem(double x, double y, QColor color, QString label, int type)
+NodeItem::NodeItem(double x, double y, QColor color, QString label, int type, int category,
+	double _accuracy, int year)
 {
 	//node constructor
 	this->x = x;
@@ -30,6 +31,9 @@ NodeItem::NodeItem(double x, double y, QColor color, QString label, int type)
 	this->color = color;
 	this->label = label;
 	this->type = type;
+	this->category = category;
+	this->category_accuracy = _accuracy;
+	this->year = year;
 	setZValue(1);
 	
 	//setFlags(ItemIsSelectable | ItemIsMovable);

@@ -12,6 +12,9 @@ private:
 	QColor color;
 	QString label;
 	int type;
+	int category;
+	double category_accuracy;
+	int year;
 
 protected:
 	void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
@@ -19,11 +22,15 @@ protected:
 	void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
 
 public:
-	NodeItem(double x, double y, QColor color, QString label, int type);
+	NodeItem(double x, double y, QColor color, QString label, int type, int category,
+		double _accuracy, int year);
 
 	//getter setter
 	QString getLabel() {return label;}
 	int getType() { return type; }
+	int getCategory() { return category; }
+	double getAccuracy() { return category_accuracy; }
+	int getYear() { return year; }
 	void setColor(QColor color) {this->color=color;}
 
 	QRectF boundingRect() const override;

@@ -92,9 +92,6 @@
     <ClCompile Include="json_processor.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="ChartDialog.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="PaperGraphWidget.h">
@@ -132,8 +129,5 @@
     <ClInclude Include="json_processor.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="ChartDialog.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file

@@ -80,6 +80,11 @@ void PaperGraphWidget::topk_with_pagerank() {
 	scene->update();
 }
 
+void PaperGraphWidget::category_visualize() {
+	graphItem->category_visualize();
+	scene->update();
+}
+
 void PaperGraphWidget::reset_color()
 {
 	graphItem->reset_color();

@@ -20,6 +20,7 @@ public:
 	void topk_with_target();
 	void find_shortest_path();
 	void topk_with_pagerank();
+	void category_visualize();
 	void reset_color();
 
 	//test

@@ -196,6 +196,60 @@ namespace {
 
 	/* json processor */
 	json_processor _json_processor;
+
+	/* category keywords */
+	vector<vector<string>> keywords{
+		{ "LANGUAGE", "TRANSLATION", "TEXT", "PHRASE", "PARAGRAPH" },
+		{ "COMPLEXITY", "EXPONENTIALLY", "FOURIER", "CASCADE", "NP-COMPLETE" },
+		{ "ENGINEERING", "FINANCE", "STOCHASTIC", "BUSINESS", "DAMAGE" },
+		{ "GEOMETRY", "COLLINEAR", "DISTANCE", "DIMENSION", "GEOMETRIC" },
+		{ "GAME", "GAMES", "INTERFERENCE", "REVENUE", "AGGREGATIVE" },
+		{ "VISION", "PATTERN", "RECOGNITION", "FEATURE", "FIXATION" },
+		{ "SOCIETY", "MEDIA", "SOCIAL", "MOBILE", "EVENT" },
+		{ "CRYPTOGRAPHY", "SECURITY", "CODE", "CRYPTOSYSTEM" },
+		{ "GRAPH", "POLYNOMIAL" },
+		{ "DATABASE", "DATA", "JOIN", "TRANSACTION" },
+		{ "LIBRARY", "PREPRINT", "RESEARCH" },
+		{ "DISCRETE", "COMBINATORIC" },
+		{ "DISTRIBUTED", "PARALLEL", "CLUSTER", "CLOUD" },
+		{ "NEUTRON", "QUANTUM" },
+		{ "LANGUAGE", "AUTOMATA" },
+		{ "LITERATURE" },
+		{ "GAUSSIAN", "3D", "SHAPE", "GRAPHIC" },
+		{ "HARDWARE", "CAMERA", "CACHE", "ENERGY", "HYBRID" },
+		{ "PERSON", "INDOOR", "HUMAN" },
+		{ "MINING", "MICROBLOG", "METADATA" },
+		{ "UPLINK", "INFORMATION" },
+		{ "LEARNING", "DEEP", "NEURAL", "GAN", "CNN", "RNN" },
+		{ "LOGIC", "HEURISTIC" },
+		{ "MATHE", "MATRIX", "LINEAR", "ALGEBRA" },
+		{ "MULTI-AGENT", "AGENT", "COLLABORATIVE", "CONVERGENCE" },
+		{ "CODEC", "MEDIA", "AUDIO", "IMAGE" },
+		{ "NETWORK", "INTERNET", "CLOUD", "SDN" },
+		{ "NEURAL", "EVOLUTION", "LEARNING" },
+		{ "NUMERICALLY", "NUMERICAL" },
+		{ "SCHEDULING", "PREFETCHING", "VM", "SYSTEM", "LINUX" },
+		{},
+		{ "PERFORMANCE", "HIGH", "ADAPTIVE" },
+		{ "GRAMMAR", "PROGRAM" },
+		{ "ROBOT", "ROBOTIC", "HARVESTER", "CRAWLER" },
+		{ "SOCIAL", "INFORMATION", "LOCATION", "EVENT", "MICROBLOG" },
+		{ "SOFTWARE", "ENGINEERING", "PROTOTYPE", "DEVELOPMENT" },
+		{ "MULTI-CHANNEL", "ACOUSTIC", "AUDIO", "AUTOENCODER" },
+		{ "SYMBOLIC", "FUNCTION", "COEFFICIENT" },
+		{ "SYSTEM", "SENSORY", "TRANSFORMER", "CONTROL" }
+	};
+
+	vector<string> category_colors{
+		"#694842","#325eee","#38cff1","#0b7d18","#20a920",
+		"#ce112f","#479c12","#7cb382","#c4d5cb","#d52840",
+		"#b6070e","#f1c50b","#181ce4","#6ed976","#abecdc",
+		"#ddb390","#298d3e","#e48b31","#183083","#a03350",
+		"#309c0c","#75fa48","#6ce15c","#82dee1","#845576",
+		"#b9c3fb","#e59908","#30827a","#0658d1","#8b921c",
+		"#fa7529","#b91ad2","#545e87","#cb6eae","#c2d4ba",
+		"#dffa88","#5942d5","#32add6","#99443f","#c85b70"
+	};
 }
 
 /* boost */