feat: 知识图谱测试api
This commit is contained in:
hhs
@@ -0,0 +1,306 @@
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{
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"nodes": [
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{
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"id": "1",
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"label": "人工智能",
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"type": "概念",
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"properties": {
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"importance": 1,
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"description": "计算机科学的一个分支，致力于创建能够执行通常需要人类智能的任务的机器",
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"aliases": ["机器智能", "AI"]
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},
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"style": {
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"fill": "#FF6B6B",
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"stroke": "#EE5A5A",
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"lineWidth": 3
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}
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},
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{
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"id": "2",
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"label": "机器学习",
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"type": "概念",
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"properties": {
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"importance": 0.9,
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"description": "人工智能的一个子领域，让计算机系统能够从数据中学习和改进"
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},
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"style": {
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"fill": "#4ECDC4",
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"stroke": "#45B7B0",
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"lineWidth": 2
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}
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},
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{
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"id": "3",
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"label": "深度学习",
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"type": "概念",
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"properties": {
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"importance": 0.8,
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"description": "基于人工神经网络的机器学习方法"
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},
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"style": {
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"fill": "#45B7D1",
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"stroke": "#3DA4BA",
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"lineWidth": 2
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}
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},
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{
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"id": "4",
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"label": "神经网络",
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"type": "概念",
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"properties": {
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"importance": 0.7,
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"description": "受人脑启发的计算模型"
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}
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},
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{
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"id": "5",
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"label": "TensorFlow",
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"type": "工具",
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"properties": {
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"importance": 0.6,
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"language": "Python, C++",
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"author": "Google"
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},
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"style": {
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"fill": "#FFA07A",
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"stroke": "#FF7F50"
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}
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},
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{
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"id": "6",
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"label": "PyTorch",
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"type": "工具",
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"properties": {
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"importance": 0.6,
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"language": "Python",
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"author": "Meta"
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},
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"style": {
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"fill": "#FFA07A",
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"stroke": "#FF7F50"
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}
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},
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{
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"id": "7",
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"label": "自然语言处理",
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"type": "应用",
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"properties": {
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"importance": 0.7,
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"description": "处理和理解人类语言的技术"
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}
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},
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{
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"id": "8",
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"label": "计算机视觉",
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"type": "应用",
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"properties": {
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"importance": 0.7,
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"description": "让计算机理解和解析视觉信息"
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}
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},
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{
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"id": "9",
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"label": "强化学习",
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"type": "概念",
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"properties": {
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"importance": 0.6,
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"description": "通过与环境交互来学习最优策略"
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}
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},
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{
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"id": "10",
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"label": "监督学习",
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"type": "概念",
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"properties": {
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"importance": 0.5,
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"description": "使用标记数据进行学习"
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}
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},
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{
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"id": "11",
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"label": "GPT",
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"type": "应用",
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"properties": {
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"importance": 0.8,
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"author": "OpenAI",
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"description": "Generative Pre-trained Transformer"
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}
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},
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{
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"id": "12",
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"label": "CNN",
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"type": "概念",
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"properties": {
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"importance": 0.6,
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"description": "卷积神经网络，用于处理网格状数据"
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}
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},
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{
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"id": "13",
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"label": "RNN",
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"type": "概念",
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"properties": {
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"importance": 0.6,
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"description": "循环神经网络，用于处理序列数据"
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}
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},
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{
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"id": "14",
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"label": "数据挖掘",
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"type": "应用",
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"properties": {
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"importance": 0.5,
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"description": "从大量数据中发现模式和知识"
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}
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}
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],
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"edges": [
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{
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"id": "e1",
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"source": "1",
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"target": "2",
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"label": "包含",
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"type": "关系",
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"style": {
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"stroke": "#95A5A6",
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"lineWidth": 2
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}
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},
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{
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"id": "e2",
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"source": "2",
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"target": "3",
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"label": "子领域",
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"type": "关系",
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"style": {
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"stroke": "#95A5A6",
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"lineWidth": 2
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}
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},
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{
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"id": "e3",
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"source": "3",
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"target": "4",
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"label": "基于",
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"type": "技术依赖",
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"style": {
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"stroke": "#3498DB",
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"lineWidth": 2
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}
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},
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{
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"id": "e4",
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"source": "3",
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"target": "5",
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"label": "框架",
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"type": "工具关系",
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"style": {
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"stroke": "#E74C3C",
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"lineWidth": 1
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}
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},
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{
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"id": "e5",
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"source": "3",
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"target": "6",
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"label": "框架",
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"type": "工具关系",
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"style": {
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"stroke": "#E74C3C",
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"lineWidth": 1
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}
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},
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{
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"id": "e6",
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"source": "1",
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"target": "7",
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"label": "应用",
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"type": "应用领域",
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"style": {
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"stroke": "#2ECC71",
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"lineWidth": 2
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}
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},
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{
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"id": "e7",
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"source": "1",
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"target": "8",
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"label": "应用",
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"type": "应用领域",
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"style": {
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"stroke": "#2ECC71",
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"lineWidth": 2
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}
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},
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{
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"id": "e8",
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"source": "2",
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"target": "9",
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"label": "包含",
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"type": "关系"
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},
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{
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"id": "e9",
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"source": "2",
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"target": "10",
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"label": "包含",
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"type": "关系"
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},
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{
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"id": "e10",
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"source": "7",
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"target": "11",
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"label": "技术实现",
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"type": "技术依赖"
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},
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{
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"id": "e11",
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"source": "3",
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"target": "12",
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"label": "主要架构",
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"type": "技术依赖"
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},
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{
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"id": "e12",
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"source": "3",
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"target": "13",
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"label": "主要架构",
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"type": "技术依赖"
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},
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{
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"id": "e13",
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"source": "8",
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"target": "12",
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"label": "核心技术",
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"type": "技术依赖"
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},
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{
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"id": "e14",
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"source": "7",
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"target": "13",
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"label": "核心技术",
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"type": "技术依赖"
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},
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{
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"id": "e15",
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"source": "2",
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"target": "14",
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"label": "相关技术",
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"type": "相关"
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},
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{
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"id": "e16",
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"source": "5",
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"target": "12",
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"label": "支持",
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"type": "技术支持"
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},
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{
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"id": "e17",
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"source": "6",
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"target": "13",
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"label": "支持",
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"type": "技术支持"
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}
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]
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}
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@@ -0,0 +1,37 @@
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module knowledge-graph-backend
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go 1.26.1
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require (
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github.com/bytedance/gopkg v0.1.4 // indirect
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github.com/bytedance/sonic v1.15.0 // indirect
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github.com/bytedance/sonic/loader v0.5.1 // indirect
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github.com/cloudwego/base64x v0.1.6 // indirect
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github.com/gabriel-vasile/mimetype v1.4.13 // indirect
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github.com/gin-contrib/cors v1.7.7 // indirect
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github.com/gin-contrib/sse v1.1.1 // indirect
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github.com/gin-gonic/gin v1.12.0 // indirect
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github.com/go-playground/locales v0.14.1 // indirect
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||||
github.com/go-playground/universal-translator v0.18.1 // indirect
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||||
github.com/go-playground/validator/v10 v10.30.2 // indirect
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||||
github.com/goccy/go-json v0.10.6 // indirect
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||||
github.com/goccy/go-yaml v1.19.2 // indirect
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github.com/json-iterator/go v1.1.12 // indirect
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github.com/klauspost/cpuid/v2 v2.3.0 // indirect
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github.com/leodido/go-urn v1.4.0 // indirect
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github.com/mattn/go-isatty v0.0.20 // indirect
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
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github.com/modern-go/reflect2 v1.0.2 // indirect
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github.com/pelletier/go-toml/v2 v2.3.0 // indirect
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github.com/quic-go/qpack v0.6.0 // indirect
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github.com/quic-go/quic-go v0.59.0 // indirect
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github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
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github.com/ugorji/go/codec v1.3.1 // indirect
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go.mongodb.org/mongo-driver/v2 v2.5.0 // indirect
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golang.org/x/arch v0.25.0 // indirect
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golang.org/x/crypto v0.49.0 // indirect
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golang.org/x/net v0.52.0 // indirect
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golang.org/x/sys v0.42.0 // indirect
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golang.org/x/text v0.35.0 // indirect
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google.golang.org/protobuf v1.36.11 // indirect
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)
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@@ -0,0 +1,80 @@
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github.com/bytedance/gopkg v0.1.4 h1:oZnQwnX82KAIWb7033bEwtxvTqXcYMxDBaQxo5JJHWM=
|
||||
github.com/bytedance/gopkg v0.1.4/go.mod h1:v1zWfPm21Fb+OsyXN2VAHdL6TBb2L88anLQgdyje6R4=
|
||||
github.com/bytedance/sonic v1.15.0 h1:/PXeWFaR5ElNcVE84U0dOHjiMHQOwNIx3K4ymzh/uSE=
|
||||
github.com/bytedance/sonic v1.15.0/go.mod h1:tFkWrPz0/CUCLEF4ri4UkHekCIcdnkqXw9VduqpJh0k=
|
||||
github.com/bytedance/sonic/loader v0.5.1 h1:Ygpfa9zwRCCKSlrp5bBP/b/Xzc3VxsAW+5NIYXrOOpI=
|
||||
github.com/bytedance/sonic/loader v0.5.1/go.mod h1:AR4NYCk5DdzZizZ5djGqQ92eEhCCcdf5x77udYiSJRo=
|
||||
github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
|
||||
github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/gabriel-vasile/mimetype v1.4.13 h1:46nXokslUBsAJE/wMsp5gtO500a4F3Nkz9Ufpk2AcUM=
|
||||
github.com/gabriel-vasile/mimetype v1.4.13/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
|
||||
github.com/gin-contrib/cors v1.7.7 h1:Oh9joP463x7Mw72vhvJ61YQm8ODh9b04YR7vsOErD0Q=
|
||||
github.com/gin-contrib/cors v1.7.7/go.mod h1:K5tW0RkzJtWSiOdikXloy8VEZlgdVNpHNw8FpjUPNrE=
|
||||
github.com/gin-contrib/sse v1.1.1 h1:uGYpNwTacv5R68bSGMapo62iLTRa9l5zxGCps4hK6ko=
|
||||
github.com/gin-contrib/sse v1.1.1/go.mod h1:QXzuVkA0YO7o/gun03UI1Q+FTI8ZV/n5t03kIQAI89s=
|
||||
github.com/gin-gonic/gin v1.12.0 h1:b3YAbrZtnf8N//yjKeU2+MQsh2mY5htkZidOM7O0wG8=
|
||||
github.com/gin-gonic/gin v1.12.0/go.mod h1:VxccKfsSllpKshkBWgVgRniFFAzFb9csfngsqANjnLc=
|
||||
github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
|
||||
github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
|
||||
github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
|
||||
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
|
||||
github.com/go-playground/validator/v10 v10.30.2 h1:JiFIMtSSHb2/XBUbWM4i/MpeQm9ZK2xqPNk8vgvu5JQ=
|
||||
github.com/go-playground/validator/v10 v10.30.2/go.mod h1:mAf2pIOVXjTEBrwUMGKkCWKKPs9NheYGabeB04txQSc=
|
||||
github.com/goccy/go-json v0.10.6 h1:p8HrPJzOakx/mn/bQtjgNjdTcN+/S6FcG2CTtQOrHVU=
|
||||
github.com/goccy/go-json v0.10.6/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
|
||||
github.com/goccy/go-yaml v1.19.2 h1:PmFC1S6h8ljIz6gMRBopkjP1TVT7xuwrButHID66PoM=
|
||||
github.com/goccy/go-yaml v1.19.2/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
|
||||
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
|
||||
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
|
||||
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
|
||||
github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
|
||||
github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
|
||||
github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
|
||||
github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
|
||||
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
|
||||
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
|
||||
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
|
||||
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
|
||||
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
|
||||
github.com/pelletier/go-toml/v2 v2.3.0 h1:k59bC/lIZREW0/iVaQR8nDHxVq8OVlIzYCOJf421CaM=
|
||||
github.com/pelletier/go-toml/v2 v2.3.0/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/quic-go/qpack v0.6.0 h1:g7W+BMYynC1LbYLSqRt8PBg5Tgwxn214ZZR34VIOjz8=
|
||||
github.com/quic-go/qpack v0.6.0/go.mod h1:lUpLKChi8njB4ty2bFLX2x4gzDqXwUpaO1DP9qMDZII=
|
||||
github.com/quic-go/quic-go v0.59.0 h1:OLJkp1Mlm/aS7dpKgTc6cnpynnD2Xg7C1pwL6vy/SAw=
|
||||
github.com/quic-go/quic-go v0.59.0/go.mod h1:upnsH4Ju1YkqpLXC305eW3yDZ4NfnNbmQRCMWS58IKU=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
|
||||
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
|
||||
github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
|
||||
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
|
||||
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
|
||||
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
|
||||
github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
|
||||
github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
|
||||
github.com/ugorji/go/codec v1.3.1 h1:waO7eEiFDwidsBN6agj1vJQ4AG7lh2yqXyOXqhgQuyY=
|
||||
github.com/ugorji/go/codec v1.3.1/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
|
||||
go.mongodb.org/mongo-driver/v2 v2.5.0 h1:yXUhImUjjAInNcpTcAlPHiT7bIXhshCTL3jVBkF3xaE=
|
||||
go.mongodb.org/mongo-driver/v2 v2.5.0/go.mod h1:yOI9kBsufol30iFsl1slpdq1I0eHPzybRWdyYUs8K/0=
|
||||
golang.org/x/arch v0.25.0 h1:qnk6Ksugpi5Bz32947rkUgDt9/s5qvqDPl/gBKdMJLE=
|
||||
golang.org/x/arch v0.25.0/go.mod h1:0X+GdSIP+kL5wPmpK7sdkEVTt2XoYP0cSjQSbZBwOi8=
|
||||
golang.org/x/crypto v0.49.0 h1:+Ng2ULVvLHnJ/ZFEq4KdcDd/cfjrrjjNSXNzxg0Y4U4=
|
||||
golang.org/x/crypto v0.49.0/go.mod h1:ErX4dUh2UM+CFYiXZRTcMpEcN8b/1gxEuv3nODoYtCA=
|
||||
golang.org/x/net v0.52.0 h1:He/TN1l0e4mmR3QqHMT2Xab3Aj3L9qjbhRm78/6jrW0=
|
||||
golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
|
||||
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
|
||||
golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
|
||||
golang.org/x/text v0.35.0 h1:JOVx6vVDFokkpaq1AEptVzLTpDe9KGpj5tR4/X+ybL8=
|
||||
golang.org/x/text v0.35.0/go.mod h1:khi/HExzZJ2pGnjenulevKNX1W67CUy0AsXcNubPGCA=
|
||||
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
|
||||
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
@@ -0,0 +1,34 @@
|
||||
package handlers
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"github.com/gin-gonic/gin"
|
||||
"knowledge-graph-backend/services"
|
||||
)
|
||||
|
||||
type GraphHandler struct {
|
||||
dataService *services.DataService
|
||||
}
|
||||
|
||||
func NewGraphHandler(dataService *services.DataService) *GraphHandler {
|
||||
return &GraphHandler{
|
||||
dataService: dataService,
|
||||
}
|
||||
}
|
||||
|
||||
func (h *GraphHandler) GetGraphData(c *gin.Context) {
|
||||
data := h.dataService.GetGraphData()
|
||||
c.JSON(http.StatusOK, data)
|
||||
}
|
||||
|
||||
func (h *GraphHandler) GetStats(c *gin.Context) {
|
||||
stats := h.dataService.GetStats()
|
||||
c.JSON(http.StatusOK, gin.H{
|
||||
"stats": stats,
|
||||
"timestamp": gin.H{
|
||||
"totalNodes": stats["totalNodes"],
|
||||
"totalEdges": stats["totalEdges"],
|
||||
},
|
||||
})
|
||||
}
|
||||
@@ -0,0 +1,69 @@
|
||||
package handlers
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"github.com/gin-gonic/gin"
|
||||
"knowledge-graph-backend/services"
|
||||
)
|
||||
|
||||
type NodeHandler struct {
|
||||
dataService *services.DataService
|
||||
}
|
||||
|
||||
func NewNodeHandler(dataService *services.DataService) *NodeHandler {
|
||||
return &NodeHandler{
|
||||
dataService: dataService,
|
||||
}
|
||||
}
|
||||
|
||||
func (h *NodeHandler) GetNodeByID(c *gin.Context) {
|
||||
nodeID := c.Param("id")
|
||||
if nodeID == "" {
|
||||
c.JSON(http.StatusBadRequest, gin.H{
|
||||
"error": "Bad Request",
|
||||
"message": "Node ID is required",
|
||||
})
|
||||
return
|
||||
}
|
||||
|
||||
node, found := h.dataService.GetNodeByID(nodeID)
|
||||
if !found {
|
||||
c.JSON(http.StatusNotFound, gin.H{
|
||||
"error": "Not Found",
|
||||
"message": "Node with ID '" + nodeID + "' not found",
|
||||
})
|
||||
return
|
||||
}
|
||||
|
||||
c.JSON(http.StatusOK, node)
|
||||
}
|
||||
|
||||
func (h *NodeHandler) GetNeighbors(c *gin.Context) {
|
||||
nodeID := c.Param("id")
|
||||
if nodeID == "" {
|
||||
c.JSON(http.StatusBadRequest, gin.H{
|
||||
"error": "Bad Request",
|
||||
"message": "Node ID is required",
|
||||
})
|
||||
return
|
||||
}
|
||||
|
||||
neighbors, found := h.dataService.GetNeighbors(nodeID)
|
||||
if !found {
|
||||
c.JSON(http.StatusNotFound, gin.H{
|
||||
"error": "Not Found",
|
||||
"message": "Node with ID '" + nodeID + "' not found",
|
||||
})
|
||||
return
|
||||
}
|
||||
|
||||
c.JSON(http.StatusOK, neighbors)
|
||||
}
|
||||
|
||||
func (h *NodeHandler) AddCustomHeaders(c *gin.Context) {
|
||||
c.JSON(http.StatusOK, gin.H{
|
||||
"message": "With CORS headers",
|
||||
"origin": c.Request.Header.Get("Origin"),
|
||||
})
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
package handlers
|
||||
|
||||
import (
|
||||
"net/http"
|
||||
|
||||
"github.com/gin-gonic/gin"
|
||||
"knowledge-graph-backend/services"
|
||||
)
|
||||
|
||||
type SearchHandler struct {
|
||||
dataService *services.DataService
|
||||
}
|
||||
|
||||
func NewSearchHandler(dataService *services.DataService) *SearchHandler {
|
||||
return &SearchHandler{
|
||||
dataService: dataService,
|
||||
}
|
||||
}
|
||||
|
||||
func (h *SearchHandler) SearchNodes(c *gin.Context) {
|
||||
query := c.Query("q")
|
||||
if query == "" {
|
||||
c.JSON(http.StatusBadRequest, gin.H{
|
||||
"error": "Bad Request",
|
||||
"message": "Query parameter 'q' is required",
|
||||
})
|
||||
return
|
||||
}
|
||||
|
||||
results := h.dataService.SearchNodes(query)
|
||||
|
||||
c.JSON(http.StatusOK, results)
|
||||
}
|
||||
@@ -0,0 +1,73 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"log"
|
||||
"net/http"
|
||||
|
||||
"github.com/gin-contrib/cors"
|
||||
"github.com/gin-gonic/gin"
|
||||
|
||||
"knowledge-graph-backend/handlers"
|
||||
"knowledge-graph-backend/services"
|
||||
)
|
||||
|
||||
const (
|
||||
PORT = "3001"
|
||||
DATA_FILE = "data.json"
|
||||
)
|
||||
|
||||
func main() {
|
||||
|
||||
dataService, err := services.NewDataService(DATA_FILE)
|
||||
if err != nil {
|
||||
log.Fatalf("Failed to initialize data service: %v", err)
|
||||
}
|
||||
|
||||
graphHandler := handlers.NewGraphHandler(dataService)
|
||||
searchHandler := handlers.NewSearchHandler(dataService)
|
||||
nodeHandler := handlers.NewNodeHandler(dataService)
|
||||
|
||||
router := gin.Default()
|
||||
|
||||
router.Use(cors.New(cors.Config{
|
||||
AllowOrigins: []string{"http://localhost:5173", "http://localhost:3000"},
|
||||
AllowMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
|
||||
AllowHeaders: []string{"Origin", "Content-Type", "Authorization", "Accept"},
|
||||
ExposeHeaders: []string{"Content-Length", "Content-Type"},
|
||||
AllowCredentials: true,
|
||||
MaxAge: 12 * 3600,
|
||||
}))
|
||||
|
||||
router.GET("/health", func(c *gin.Context) {
|
||||
c.JSON(http.StatusOK, gin.H{
|
||||
"status": "ok",
|
||||
"message": "Knowledge Graph API is running",
|
||||
"version": "1.0.0",
|
||||
})
|
||||
})
|
||||
|
||||
api := router.Group("/api")
|
||||
{
|
||||
api.GET("/graph", graphHandler.GetGraphData)
|
||||
api.GET("/graph/stats", graphHandler.GetStats)
|
||||
|
||||
api.GET("/search", searchHandler.SearchNodes)
|
||||
|
||||
api.GET("/nodes/:id", nodeHandler.GetNodeByID)
|
||||
api.GET("/nodes/:id/neighbors", nodeHandler.GetNeighbors)
|
||||
}
|
||||
|
||||
log.Println("Knowledge Graph API Server running on http://localhost:" + PORT)
|
||||
log.Println("Data file loaded from: " + DATA_FILE)
|
||||
log.Println("Available endpoints:")
|
||||
log.Println(" GET /health - Health check")
|
||||
log.Println(" GET /api/graph - Get all graph data")
|
||||
log.Println(" GET /api/graph/stats - Get graph statistics")
|
||||
log.Println(" GET /api/search?q=query - Search nodes")
|
||||
log.Println(" GET /api/nodes/:id - Get node by ID")
|
||||
log.Println(" GET /api/nodes/:id/neighbors - Get node neighbors")
|
||||
|
||||
if err := router.Run(":" + PORT); err != nil {
|
||||
log.Fatalf("Failed to start server: %v", err)
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,26 @@
|
||||
package models
|
||||
|
||||
type Node struct {
|
||||
ID string `json:"id"`
|
||||
Label string `json:"label"`
|
||||
Type string `json:"type,omitempty"`
|
||||
Properties map[string]interface{} `json:"properties,omitempty"`
|
||||
X float64 `json:"x,omitempty"`
|
||||
Y float64 `json:"y,omitempty"`
|
||||
Style map[string]interface{} `json:"style,omitempty"`
|
||||
}
|
||||
|
||||
type Edge struct {
|
||||
ID string `json:"id"`
|
||||
Source string `json:"source"`
|
||||
Target string `json:"target"`
|
||||
Label string `json:"label,omitempty"`
|
||||
Type string `json:"type,omitempty"`
|
||||
Properties map[string]interface{} `json:"properties,omitempty"`
|
||||
Style map[string]interface{} `json:"style,omitempty"`
|
||||
}
|
||||
|
||||
type GraphData struct {
|
||||
Nodes []Node `json:"nodes"`
|
||||
Edges []Edge `json:"edges"`
|
||||
}
|
||||
@@ -0,0 +1,23 @@
|
||||
package models
|
||||
|
||||
type NodeResponse struct {
|
||||
ID string `json:"id" example:"1"`
|
||||
Label string `json:"label" example:"人工智能"`
|
||||
Type string `json:"type,omitempty" example:"概念"`
|
||||
Properties map[string]interface{} `json:"properties,omitempty"`
|
||||
}
|
||||
|
||||
type NeighborResponse struct {
|
||||
Nodes []Node `json:"nodes"`
|
||||
Edges []Edge `json:"edges"`
|
||||
}
|
||||
|
||||
type SearchResponse struct {
|
||||
Results []Node `json:"results"`
|
||||
Count int `json:"count"`
|
||||
}
|
||||
|
||||
type ErrorResponse struct {
|
||||
Error string `json:"error"`
|
||||
Message string `json:"message"`
|
||||
}
|
||||
@@ -0,0 +1,161 @@
|
||||
package services
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"os"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"knowledge-graph-backend/models"
|
||||
)
|
||||
|
||||
type DataService struct {
|
||||
data models.GraphData
|
||||
mutex sync.RWMutex
|
||||
filePath string
|
||||
}
|
||||
|
||||
func NewDataService(filePath string) (*DataService, error) {
|
||||
ds := &DataService{
|
||||
filePath: filePath,
|
||||
mutex: sync.RWMutex{},
|
||||
}
|
||||
|
||||
if err := ds.loadData(); err != nil {
|
||||
return nil, fmt.Errorf("failed to load data: %w", err)
|
||||
}
|
||||
|
||||
return ds, nil
|
||||
}
|
||||
|
||||
func (ds *DataService) loadData() error {
|
||||
ds.mutex.Lock()
|
||||
defer ds.mutex.Unlock()
|
||||
|
||||
file, err := os.Open(ds.filePath)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to open data file: %w", err)
|
||||
}
|
||||
defer file.Close()
|
||||
|
||||
byteValue, err := ioutil.ReadAll(file)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to read data file: %w", err)
|
||||
}
|
||||
|
||||
if err := json.Unmarshal(byteValue, &ds.data); err != nil {
|
||||
return fmt.Errorf("failed to parse data file: %w", err)
|
||||
}
|
||||
|
||||
log.Printf("Loaded %d nodes and %d edges from %s",
|
||||
len(ds.data.Nodes), len(ds.data.Edges), ds.filePath)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (ds *DataService) GetGraphData() models.GraphData {
|
||||
ds.mutex.RLock()
|
||||
defer ds.mutex.RUnlock()
|
||||
return ds.data
|
||||
}
|
||||
|
||||
func (ds *DataService) GetNodeByID(id string) (models.Node, bool) {
|
||||
ds.mutex.RLock()
|
||||
defer ds.mutex.RUnlock()
|
||||
|
||||
for _, node := range ds.data.Nodes {
|
||||
if node.ID == id {
|
||||
return node, true
|
||||
}
|
||||
}
|
||||
return models.Node{}, false
|
||||
}
|
||||
|
||||
func (ds *DataService) SearchNodes(query string) []models.Node {
|
||||
ds.mutex.RLock()
|
||||
defer ds.mutex.RUnlock()
|
||||
|
||||
if query == "" {
|
||||
return []models.Node{}
|
||||
}
|
||||
|
||||
searchLower := strings.ToLower(query)
|
||||
var results []models.Node
|
||||
|
||||
for _, node := range ds.data.Nodes {
|
||||
labelMatch := strings.Contains(strings.ToLower(node.Label), searchLower)
|
||||
idMatch := strings.Contains(strings.ToLower(node.ID), searchLower)
|
||||
typeMatch := node.Type != "" && strings.Contains(strings.ToLower(node.Type), searchLower)
|
||||
|
||||
if labelMatch || idMatch || typeMatch {
|
||||
results = append(results, node)
|
||||
}
|
||||
}
|
||||
|
||||
return results
|
||||
}
|
||||
|
||||
func (ds *DataService) GetNeighbors(nodeID string) (models.NeighborResponse, bool) {
|
||||
ds.mutex.RLock()
|
||||
defer ds.mutex.RUnlock()
|
||||
|
||||
_, exists := ds.GetNodeByID(nodeID)
|
||||
if !exists {
|
||||
return models.NeighborResponse{}, false
|
||||
}
|
||||
|
||||
var neighborIDs []string
|
||||
var relatedEdges []models.Edge
|
||||
|
||||
for _, edge := range ds.data.Edges {
|
||||
if edge.Source == nodeID {
|
||||
neighborIDs = append(neighborIDs, edge.Target)
|
||||
relatedEdges = append(relatedEdges, edge)
|
||||
} else if edge.Target == nodeID {
|
||||
neighborIDs = append(neighborIDs, edge.Source)
|
||||
relatedEdges = append(relatedEdges, edge)
|
||||
}
|
||||
}
|
||||
|
||||
var neighborNodes []models.Node
|
||||
for _, node := range ds.data.Nodes {
|
||||
for _, neighborID := range neighborIDs {
|
||||
if node.ID == neighborID {
|
||||
neighborNodes = append(neighborNodes, node)
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return models.NeighborResponse{
|
||||
Nodes: neighborNodes,
|
||||
Edges: relatedEdges,
|
||||
}, true
|
||||
}
|
||||
|
||||
func (ds *DataService) ReloadData() error {
|
||||
return ds.loadData()
|
||||
}
|
||||
|
||||
func (ds *DataService) GetStats() map[string]int {
|
||||
ds.mutex.RLock()
|
||||
defer ds.mutex.RUnlock()
|
||||
|
||||
typeCounts := make(map[string]int)
|
||||
for _, node := range ds.data.Nodes {
|
||||
if node.Type != "" {
|
||||
typeCounts[node.Type]++
|
||||
}
|
||||
}
|
||||
|
||||
return map[string]int{
|
||||
"totalNodes": len(ds.data.Nodes),
|
||||
"totalEdges": len(ds.data.Edges),
|
||||
"conceptNodes": typeCounts["概念"],
|
||||
"toolNodes": typeCounts["工具"],
|
||||
"applicationNodes": typeCounts["应用"],
|
||||
}
|
||||
}
|
||||
@@ -1,7 +1,7 @@
|
||||
import axios from 'axios';
|
||||
import type { GraphData, Node, Edge } from '../types/graph';
|
||||
|
||||
const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:3000/api';
|
||||
const API_BASE_URL = 'http://localhost:3001/api';
|
||||
|
||||
const apiClient = axios.create({
|
||||
baseURL: API_BASE_URL,
|
||||
|
||||
Reference in New Issue
Block a user