{"id":160553,"date":"2020-09-26T03:42:03","date_gmt":"2020-09-25T19:42:03","guid":{"rendered":"http:\/\/4563.org\/?p=160553"},"modified":"2020-09-27T16:05:41","modified_gmt":"2020-09-27T08:05:41","slug":"%e7%94%a8%e5%9b%be%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e6%8e%a2%e7%b4%a2-a-%e8%82%a1%e4%b8%aa%e8%82%a1%e7%9b%b8%e5%85%b3%e6%80%a7%e5%8f%98%e5%8c%96","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=160553","title":{"rendered":"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22 A \u80a1\u4e2a\u80a1\u76f8\u5173\u6027\u53d8\u5316"},"content":{"rendered":"
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\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22 A \u80a1\u4e2a\u80a1\u76f8\u5173\u6027\u53d8\u5316 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : NebulaGraph <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5728\u672c\u7cfb\u5217\u7684\u524d\u6587 [1,2]\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528 Python \u8bed\u8a00\u56fe\u5206\u6790\u5e93 NetworkX [3] + Nebula Graph [4] \u6765\u8fdb\u884c<\u6743\u529b\u7684\u6e38\u620f>\u4e2d\u4eba\u7269\u5173\u7cfb\u56fe\u8c31\u5206\u6790\u3002<\/p>\n

\u5728\u672c\u6587\u4e2d\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 Java \u8bed\u8a00\u7684\u56fe\u5206\u6790\u5e93 JGraphT [5] \u5e76\u501f\u52a9\u7ed8\u56fe\u5e93 mxgraph [6] \uff0c\u53ef\u89c6\u5316\u63a2\u7d22 A \u80a1\u7684\u884c\u4e1a\u4e2a\u80a1\u7684\u76f8\u5173\u6027\u968f\u65f6\u95f4\u7684\u53d8\u5316\u60c5\u51b5<\/strong>\u3002<\/p>\n

\"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n

\u6570\u636e\u96c6\u7684\u5904\u7406<\/h2>\n

\u672c\u6587\u4e3b\u8981\u5206\u6790\u65b9\u6cd5\u53c2\u8003\u4e86[7,8]\uff0c\u6709\u4e24\u79cd\u6570\u636e\u96c6\uff1a<\/p>\n

\u80a1\u7968\u6570\u636e\uff08\u70b9\u96c6\uff09<\/h3>\n

\u4ece A \u80a1\u4e2d\u6309\u80a1\u7968\u4ee3\u7801\u987a\u5e8f\u9009\u53d6\u4e86 160 \u53ea\u80a1\u7968\uff08\u6392\u9664\u6458\u724c\u6216\u8005 ST \u7684\uff09\u3002\u6bcf\u4e00\u652f\u80a1\u7968\u90fd\u88ab\u5efa\u6a21\u6210\u4e00\u4e2a\u70b9\uff0c\u6bcf\u4e2a\u70b9\u7684\u5c5e\u6027\u6709\u80a1\u7968\u4ee3\u7801\uff0c\u80a1\u7968\u540d\u79f0\uff0c\u4ee5\u53ca\u8bc1\u76d1\u4f1a\u5bf9\u8be5\u80a1\u7968\u5bf9\u5e94\u4e0a\u5e02\u516c\u53f8\u6240\u5c5e\u677f\u5757\u5206\u7c7b\u7b49\u4e09\u79cd\u5c5e\u6027\uff1b<\/p>\n

\u8868 1\uff1a\u70b9\u96c6\u793a\u4f8b<\/p>\n

\"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n

\u80a1\u7968\u5173\u7cfb\uff08\u8fb9\u96c6\uff09<\/h3>\n

\u8fb9\u53ea\u6709\u4e00\u4e2a\u5c5e\u6027\uff0c\u5373\u6743\u91cd\u3002\u8fb9\u7684\u6743\u91cd\u4ee3\u8868\u8fb9\u7684\u6e90\u70b9\u548c\u76ee\u6807\u70b9\u6240\u4ee3\u8868\u7684\u4e24\u652f\u80a1\u7968\u6240\u5c5e\u4e0a\u5e02\u516c\u53f8\u4e1a\u52a1\u4e0a\u7684\u7684\u76f8\u4f3c\u5ea6\u2014\u2014\u76f8\u4f3c\u5ea6\u7684\u5177\u4f53\u8ba1\u7b97\u65b9\u6cd5\u53c2\u8003 [7,8]\uff1a\u53d6\u4e00\u6bb5\u65f6\u95f4\uff08 2014 \u5e74 1 \u6708 1 \u65e5 – 2020 \u5e74 1 \u6708 1 \u65e5\uff09\u5185\uff0c\u4e2a\u80a1\u7684\u65e5\u6536\u76ca\u7387\u7684\u65f6\u95f4\u5e8f\u5217\u76f8\u5173\u6027 \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22 \u518d\u5b9a\u4e49\u4e2a\u80a1\u4e4b\u95f4\u7684\u8ddd\u79bb\u4e3a (\u4e5f\u5373\u4e24\u70b9\u4e4b\u95f4\u7684\u8fb9\u6743\u91cd\uff09\uff1a<\/p>\n

\"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n

\u901a\u8fc7\u8fd9\u6837\u7684\u5904\u7406\uff0c\u8ddd\u79bb\u53d6\u503c\u8303\u56f4\u4e3a [0,2]\u3002\u8fd9\u610f\u5473\u7740\u8ddd\u79bb\u8d8a\u8fdc\u7684\u4e2a\u80a1\uff0c\u4e24\u4e2a\u4e4b\u95f4\u7684\u6536\u76ca\u7387\u76f8\u5173\u6027\u8d8a\u4f4e<\/strong>\u3002<\/p>\n

\u8868 2\uff1a \u8fb9\u96c6\u793a\u4f8b<\/p>\n

\"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n

\u8fd9\u6837\u7684\u70b9\u96c6\u548c\u8fb9\u96c6\u6784\u6210\u4e00\u4e2a\u56fe\u7f51\u7edc\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u7f51\u7edc\u5b58\u50a8\u5728\u56fe\u6570\u636e\u5e93 Nebula Graph \u4e2d\u3002<\/p>\n

JGraphT<\/h2>\n

JGraphT \u662f\u4e00\u4e2a\u5f00\u653e\u6e90\u4ee3\u7801\u7684 Java \u7c7b\u5e93\uff0c\u5b83\u4e0d\u4ec5\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u5404\u79cd\u9ad8\u6548\u4e14\u901a\u7528\u7684\u56fe\u6570\u636e\u7ed3\u6784\uff0c\u8fd8\u4e3a\u89e3\u51b3\u6700\u5e38\u89c1\u7684\u56fe\u95ee\u9898\u63d0\u4f9b\u4e86\u8bb8\u591a\u6709\u7528\u7684\u7b97\u6cd5\uff1a<\/p>\n

    \n
  • \u652f\u6301\u6709\u5411\u8fb9\u3001\u65e0\u5411\u8fb9\u3001\u6743\u91cd\u8fb9\u3001\u975e\u6743\u91cd\u8fb9\u7b49\uff1b<\/li>\n
  • \u652f\u6301\u7b80\u5355\u56fe\u3001\u591a\u91cd\u56fe\u3001\u4f2a\u56fe\uff1b<\/li>\n
  • \u63d0\u4f9b\u4e86\u7528\u4e8e\u56fe\u904d\u5386\u7684\u4e13\u7528\u8fed\u4ee3\u5668\uff08 DFS\uff0cBFS \uff09\u7b49\uff1b<\/li>\n
  • \u63d0\u4f9b\u4e86\u5927\u91cf\u5e38\u7528\u7684\u7684\u56fe\u7b97\u6cd5\uff0c\u5982\u8def\u5f84\u67e5\u627e\u3001\u540c\u6784\u68c0\u6d4b\u3001\u7740\u8272\u3001\u516c\u5171\u7956\u5148\u3001\u6e38\u8d70\u3001\u8fde\u901a\u6027\u3001\u5339\u914d\u3001\u5faa\u73af\u68c0\u6d4b\u3001\u5206\u533a\u3001\u5207\u5272\u3001\u6d41\u3001\u4e2d\u5fc3\u6027\u7b49\u7b97\u6cd5\uff1b<\/li>\n
  • \u53ef\u4ee5\u65b9\u4fbf\u5730\u5bfc\u5165 \/ \u5bfc\u51fa GraphViz [9]\u3002\u5bfc\u51fa\u7684 GraphViz \u53ef\u88ab\u5bfc\u5165\u53ef\u89c6\u5316\u5de5\u5177 Gephi[10] \u8fdb\u884c\u5206\u6790\u4e0e\u5c55\u793a\uff1b<\/li>\n
  • \u53ef\u4ee5\u65b9\u4fbf\u5730\u4f7f\u7528\u5176\u4ed6\u7ed8\u56fe\u7ec4\u4ef6\uff0c\u5982\uff1aJGraphX\uff0cmxGraph\uff0cGuava Graphs Generators \u7b49\u5de5\u5177\u7ed8\u5236\u51fa\u56fe\u7f51\u7edc\u3002<\/li>\n<\/ul>\n

    \u4e0b\u9762\uff0c\u6211\u4eec\u6765\u5b9e\u8df5\u4e00\u628a\uff0c\u5148\u5728 JGraphT \u4e2d\u521b\u5efa\u4e00\u4e2a\u6709\u5411\u56fe\uff1a<\/p>\n

    import org.jgrapht.*; import org.jgrapht.graph.*; import org.jgrapht.nio.*; import org.jgrapht.nio.dot.*; import org.jgrapht.traverse.*;  import java.io.*; import java.net.*; import java.util.*;  Graph<URI, DefaultEdge> g = new DefaultDirectedGraph<>(DefaultEdge.class); <\/code><\/pre>\n
    \u6dfb\u52a0\u9876\u70b9\uff1a<\/p>\n
    URI google = new URI(\"http:\/\/www.google.com\"); URI wikipedia = new URI(\"http:\/\/www.wikipedia.org\"); URI jgrapht = new URI(\"http:\/\/www.jgrapht.org\");  \/\/ add the vertices g.addVertex(google); g.addVertex(wikipedia); g.addVertex(jgrapht); <\/code><\/pre>\n
    \u6dfb\u52a0\u8fb9\uff1a<\/p>\n
    \/\/ add edges to create linking structure g.addEdge(jgrapht, wikipedia); g.addEdge(google, jgrapht); g.addEdge(google, wikipedia); g.addEdge(wikipedia, google); <\/code><\/pre>\n
    \u56fe\u6570\u636e\u5e93 Nebula Graph Database<\/h2>\n
    JGraphT \u901a\u5e38\u4f7f\u7528\u672c\u5730\u6587\u4ef6\u4f5c\u4e3a\u6570\u636e\u6e90\uff0c\u8fd9\u5728\u9759\u6001\u7f51\u7edc\u7814\u7a76\u7684\u65f6\u5019\u6ca1\u4ec0\u4e48\u95ee\u9898\uff0c\u4f46\u5982\u679c\u56fe\u7f51\u7edc\u7ecf\u5e38\u4f1a\u53d1\u751f\u53d8\u5316\u2014\u2014\u4f8b\u5982\uff0c\u80a1\u7968\u6570\u636e\u6bcf\u65e5\u90fd\u5728\u53d8\u5316\u2014\u2014\u6bcf\u6b21\u751f\u6210\u5168\u65b0\u7684\u9759\u6001\u6587\u4ef6\u518d\u52a0\u8f7d\u5206\u6790\u5c31\u6709\u4e9b\u9ebb\u70e6\uff0c\u6700\u597d\u6574\u4e2a\u53d8\u5316\u8fc7\u7a0b\u53ef\u4ee5\u6301\u4e45\u5316\u5730\u5199\u5165\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u65f6\u5730\u76f4\u63a5\u4ece\u6570\u636e\u5e93\u4e2d\u52a0\u8f7d\u5b50\u56fe\u6216\u8005\u5168\u56fe\u505a\u5206\u6790\u3002\u672c\u6587\u9009\u7528 Nebula Graph \u4f5c\u4e3a\u5b58\u50a8\u56fe\u6570\u636e\u7684\u56fe\u6570\u636e\u5e93\u3002<\/p>\n
    Nebula Graph \u7684 Java \u5ba2\u6237\u7aef Nebula-Java [11] \u63d0\u4f9b\u4e86\u4e24\u79cd\u8bbf\u95ee Nebula Graph \u65b9\u5f0f<\/strong>\uff1a\u4e00\u79cd\u662f\u901a\u8fc7\u56fe\u67e5\u8be2\u8bed\u8a00 nGQL [12] \u4e0e\u67e5\u8be2\u5f15\u64ce\u5c42 [13] \u4ea4\u4e92\uff0c\u8fd9\u901a\u5e38\u9002\u7528\u4e8e\u6709\u590d\u6742\u8bed\u4e49\u7684\u5b50\u56fe\u8bbf\u95ee\u7c7b\u578b<\/strong>; \u53e6\u4e00\u79cd\u662f\u901a\u8fc7 API \u4e0e\u5e95\u5c42\u7684\u5b58\u50a8\u5c42\uff08 storaged \uff09[14] \u76f4\u63a5\u4ea4\u4e92\uff0c\u7528\u4e8e\u83b7\u53d6\u5168\u91cf\u7684\u70b9\u548c\u8fb9<\/strong>\u3002\u9664\u4e86\u53ef\u4ee5\u8bbf\u95ee Nebula Graph \u672c\u8eab\u5916\uff0cNebula-Java \u8fd8\u63d0\u4f9b\u4e86\u4e0e Neo4j [15]\u3001JanusGraph [16]\u3001Spark [17] \u7b49\u4ea4\u4e92\u7684\u793a\u4f8b<\/strong>\u3002<\/p>\n
    \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u9009\u62e9\u76f4\u63a5\u8bbf\u95ee\u5b58\u50a8\u5c42\uff08 storaged \uff09\u6765\u83b7\u53d6\u5168\u90e8\u7684\u70b9\u548c\u8fb9<\/strong>\u3002\u4e0b\u9762\u4e24\u4e2a\u63a5\u53e3\u53ef\u4ee5\u7528\u6765\u8bfb\u53d6\u6240\u6709\u7684\u70b9\u3001\u8fb9\u6570\u636e\uff1a<\/p>\n
    \/\/ space \u4e3a\u5f85\u626b\u63cf\u7684\u56fe\u7a7a\u95f4\u540d\u79f0\uff0creturnCols \u4e3a\u9700\u8981\u8bfb\u53d6\u7684\u70b9 \/\u8fb9\u53ca\u5176\u5c5e\u6027\u5217\uff0c \/\/ returnCols \u53c2\u6570\u683c\u5f0f\uff1a{tag1Name: prop1, prop2, tag2Name: prop3, prop4, prop5} Iterator<ScanVertexResponse> scanVertex(             String space, Map<String, List<String>> returnCols); Iterator<ScanEdgeResponse> scanEdge(             String space, Map<String, List<String>> returnCols); <\/code><\/pre>\n
    \u7b2c\u4e00\u6b65\uff1a\u521d\u59cb\u5316\u4e00\u4e2a\u5ba2\u6237\u7aef\uff0c\u548c\u4e00\u4e2a ScanVertexProcessor \u3002ScanVertexProcessor \u7528\u6765\u5bf9\u8bfb\u51fa\u6765\u7684\u9876\u70b9\u6570\u636e\u8fdb\u884c\u89e3\u7801\uff1a<\/p>\n
    MetaClientImpl metaClientImpl = new MetaClientImpl(metaHost, metaPort); metaClientImpl.connect(); StorageClient storageClient = new StorageClientImpl(metaClientImpl); Processor processor = new ScanVertexProcessor(metaClientImpl); <\/code><\/pre>\n
    \u7b2c\u4e8c\u6b65\uff1a\u8c03\u7528 scanVertex \u63a5\u53e3\uff0c\u8be5\u63a5\u53e3\u4f1a\u8fd4\u56de\u4e00\u4e2a scanVertexResponse \u5bf9\u8c61\u7684\u8fed\u4ee3\u5668\uff1a<\/p>\n
    Iterator<ScanVertexResponse> iterator =                 storageClient.scanVertex(spaceName, returnCols); <\/code><\/pre>\n
    \u7b2c\u4e09\u6b65\uff1a\u4e0d\u65ad\u8bfb\u53d6\u8be5\u8fed\u4ee3\u5668\u6240\u6307\u5411\u7684 scanVertexResponse \u5bf9\u8c61\u4e2d\u7684\u6570\u636e\uff0c\u76f4\u5230\u8bfb\u53d6\u5b8c\u6240\u6709\u6570\u636e\u3002\u8bfb\u53d6\u51fa\u6765\u7684\u9876\u70b9\u6570\u636e\u5148\u4fdd\u5b58\u8d77\u6765\uff0c\u540e\u9762\u4f1a\u5c06\u5176\u6dfb\u52a0\u5230\u5230 JGraphT \u7684\u56fe\u7ed3\u6784\u4e2d\uff1a<\/p>\n
    while (iterator.hasNext()) {   ScanVertexResponse response = iterator.next();   if (response == null) {     log.error(\"Error occurs while scan vertex\");     break;   }      Result result =  processor.process(spaceName, response);   results.addAll(result.getRows(TAGNAME)); } <\/code><\/pre>\n
    \u8bfb\u53d6\u8fb9\u6570\u636e\u7684\u65b9\u6cd5\u548c\u4e0a\u9762\u7684\u6d41\u7a0b\u7c7b\u4f3c\u3002<\/p>\n
    \u5728 JGraphT \u4e2d\u8fdb\u884c\u56fe\u5206\u6790<\/h2>\n
    \u7b2c\u4e00\u6b65\uff1a\u5728 JGraphT \u4e2d\u521b\u5efa\u4e00\u4e2a\u65e0\u5411\u52a0\u6743\u56fe graph\uff1a<\/p>\n
    Graph<String, MyEdge> graph = GraphTypeBuilder                 .undirected()     .weighted(true)     .allowingMultipleEdges(true)     .allowingSelfLoops(false)     .vertexSupplier(SupplierUtil.createStringSupplier())     .edgeSupplier(SupplierUtil.createSupplier(MyEdge.class))     .buildGraph(); <\/code><\/pre>\n
    \u7b2c\u4e8c\u6b65\uff1a\u5c06\u4e0a\u4e00\u6b65\u4ece Nebula Graph \u56fe\u7a7a\u95f4\u4e2d\u8bfb\u51fa\u6765\u7684\u70b9\u3001\u8fb9\u6570\u636e\u6dfb\u52a0\u5230 graph \u4e2d\uff1a<\/p>\n
    for (VertexDomain vertex : vertexDomainList){     graph.addVertex(vertex.getVid().toString());     stockIdToName.put(vertex.getVid().toString(), vertex); }  for (EdgeDomain edgeDomain : edgeDomainList){     graph.addEdge(edgeDomain.getSrcid().toString(), edgeDomain.getDstid().toString());     MyEdge newEdge = graph.getEdge(edgeDomain.getSrcid().toString(), edgeDomain.getDstid().toString());     graph.setEdgeWeight(newEdge, edgeDomain.getWeight()); } <\/code><\/pre>\n
    \u7b2c\u4e09\u6b65\uff1a\u53c2\u8003 [7,8] \u4e2d\u7684\u5206\u6790\u6cd5\uff0c\u5bf9\u521a\u624d\u7684\u56fe graph \u4f7f\u7528 Prim \u6700\u5c0f\u751f\u6210\u6811\u7b97\u6cd5\uff08 minimun-spanning-tree \uff09\uff0c\u5e76\u8c03\u7528\u5c01\u88c5\u597d\u7684 drawGraph \u63a5\u53e3\u753b\u56fe\uff1a<\/p>\n
    \n
    \u666e\u91cc\u59c6\u7b97\u6cd5\uff08 Prim’s algorithm \uff09\uff0c\u56fe\u8bba\u4e2d\u7684\u4e00\u79cd\u7b97\u6cd5\uff0c\u53ef\u5728\u52a0\u6743\u8fde\u901a\u56fe\u91cc\u641c\u7d22\u6700\u5c0f\u751f\u6210\u6811\u3002\u5373\uff0c\u7531\u6b64\u7b97\u6cd5\u641c\u7d22\u5230\u7684\u8fb9\u5b50\u96c6\u6240\u6784\u6210\u7684\u6811\u4e2d\uff0c\u4e0d\u4f46\u5305\u62ec\u4e86\u8fde\u901a\u56fe\u91cc\u7684\u6240\u6709\u9876\u70b9\uff0c\u4e14\u5176\u6240\u6709\u8fb9\u7684\u6743\u503c\u4e4b\u548c\u4ea6\u4e3a\u6700\u5c0f\u3002<\/p>\n<\/blockquote>\n
    SpanningTreeAlgorithm.SpanningTree pMST = new PrimMinimumSpanningTree(graph).getSpanningTree();  Legend.drawGraph(pMST.getEdges(), filename, stockIdToName); <\/code><\/pre>\n
    \u7b2c\u56db\u6b65\uff1adrawGraph \u65b9\u6cd5\u5c01\u88c5\u4e86\u753b\u56fe\u7684\u5e03\u5c40\u7b49\u5404\u9879\u53c2\u6570\u8bbe\u7f6e\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u540c\u4e00\u677f\u5757\u7684\u80a1\u7968\u6e32\u67d3\u4e3a\u540c\u4e00\u989c\u8272\uff0c\u5c06\u8ddd\u79bb\u63a5\u8fd1\u7684\u80a1\u7968\u6392\u5217\u805a\u96c6\u5728\u4e00\u8d77<\/strong>\u3002<\/p>\n
    public class Legend {    ...      public static void drawGraph(Set<MyEdge> edges, String filename, Map<String, VertexDomain> idVertexMap) throws IOException {      \/\/ Creates graph with model      mxGraph graph = new mxGraph();      Object parent = graph.getDefaultParent();       \/\/ set style      graph.getModel().beginUpdate();      mxStylesheet myStylesheet =  graph.getStylesheet();      graph.setStylesheet(setMsStylesheet(myStylesheet));       Map<String, Object> idMap = new HashMap<>();      Map<String, String> industryColor = new HashMap<>();       int colorIndex = 0;       for (MyEdge edge : edges) {        Object src, dst;        if (!idMap.containsKey(edge.getSrc())) {          VertexDomain srcNode = idVertexMap.get(edge.getSrc());          String nodeColor;          if (industryColor.containsKey(srcNode.getIndustry())){            nodeColor = industryColor.get(srcNode.getIndustry());          }else {            nodeColor = COLOR_LIST[colorIndex++];            industryColor.put(srcNode.getIndustry(), nodeColor);          }          src = graph.insertVertex(parent, null, srcNode.getName(), 0, 0, 105, 50, \"fillColor=\" + nodeColor);          idMap.put(edge.getSrc(), src);        } else {          src = idMap.get(edge.getSrc());        }         if (!idMap.containsKey(edge.getDst())) {          VertexDomain dstNode = idVertexMap.get(edge.getDst());           String nodeColor;          if (industryColor.containsKey(dstNode.getIndustry())){            nodeColor = industryColor.get(dstNode.getIndustry());          }else {            nodeColor = COLOR_LIST[colorIndex++];            industryColor.put(dstNode.getIndustry(), nodeColor);          }           dst = graph.insertVertex(parent, null, dstNode.getName(), 0, 0, 105, 50, \"fillColor=\" + nodeColor);          idMap.put(edge.getDst(), dst);        } else {          dst = idMap.get(edge.getDst());        }        graph.insertEdge(parent, null, \"\", src, dst);      }        log.info(\"vertice \" + idMap.size());      log.info(\"colorsize \" + industryColor.size());       mxFastOrganicLayout layout = new mxFastOrganicLayout(graph);      layout.setMaxIterations(2000);      \/\/layout.setMinDistanceLimit(10D);      layout.execute(parent);       graph.getModel().endUpdate();       \/\/ Creates an image than can be saved using ImageIO      BufferedImage image = createBufferedImage(graph, null, 1, Color.WHITE,                                                true, null);       \/\/ For the sake of this example we display the image in a window      \/\/ Save as JPEG      File file = new File(filename);      ImageIO.write(image, \"JPEG\", file);     }      ...      } <\/code><\/pre>\n
    \u7b2c\u4e94\u6b65\uff1a\u751f\u6210\u53ef\u89c6\u5316\uff1a<\/p>\n
    \u56fe 1 \u4e2d\u6bcf\u4e2a\u9876\u70b9\u7684\u989c\u8272\u4ee3\u8868\u8bc1\u76d1\u4f1a\u5bf9\u8be5\u80a1\u7968\u6240\u5c5e\u4e0a\u5e02\u516c\u53f8\u5f52\u7c7b\u7684\u677f\u5757<\/strong>\u3002<\/p>\n
    \u53ef\u4ee5\u770b\u5230\uff0c\u5b9e\u9645\u4e1a\u52a1\u8fd1\u4f3c\u5ea6\u8f83\u9ad8\u7684\u80a1\u7968\u5df2\u7ecf\u805a\u62e2\u6210\u7c07\u72b6\uff08\u4f8b\u5982\uff1a\u9ad8\u901f\u677f\u5757\u3001\u94f6\u884c\u7248\u672c\u3001\u673a\u573a\u822a\u7a7a\u677f\u5757\uff09\uff0c\u4f46\u4e5f\u4f1a\u6709\u90e8\u5206\u5173\u8054\u6027\u4e0d\u660e\u663e\u7684\u4e2a\u80a1\u88ab\u805a\u7c7b\u5728\u4e00\u8d77\uff0c\u5177\u4f53\u539f\u56e0\u9700\u8981\u5355\u72ec\u8fdb\u884c\u4e2a\u80a1\u7814\u7a76\u3002<\/p>\n
    \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n
    \u56fe 1\uff1a \u57fa\u4e8e 2015-01-01 \u81f3 2020-01-01 \u7684\u80a1\u7968\u6570\u636e\u8ba1\u7b97\u51fa\u7684\u805a\u96c6\u6027<\/p>\n
    \u7b2c\u516d\u6b65\uff1a\u57fa\u4e8e\u4e0d\u540c\u65f6\u95f4\u7a97\u53e3\u7684\u4e00\u4e9b\u5176\u4ed6\u52a8\u6001\u63a2\u7d22<\/p>\n
    \u4e0a\u8282\u4e2d\uff0c\u7ed3\u8bba\u4e3b\u8981\u57fa\u4e8e 2015-01-01 \u5230 2020-01-01 \u7684\u4e2a\u80a1\u805a\u96c6\u6027\u3002\u8fd9\u4e00\u8282\u6211\u4eec\u8fd8\u505a\u4e86\u4e00\u4e9b\u5176\u4ed6\u7684\u5c1d\u8bd5\uff1a\u4ee5 2 \u5e74\u4e3a\u4e00\u4e2a\u65f6\u95f4\u6ed1\u52a8\u7a97\u53e3\uff0c\u5206\u6790\u65b9\u6cd5\u4e0d\u53d8\uff0c\u5b9a\u6027\u63a2\u7d22\u805a\u96c6\u7fa4\u662f\u5426\u968f\u7740\u65f6\u95f4\u53d8\u5316\u4f1a\u53d1\u751f\u6539\u53d8<\/strong>\u3002<\/p>\n
    \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n
    \u56fe 2\uff1a\u57fa\u4e8e 2014-01-01 \u81f3 2016-01-01 \u7684\u80a1\u7968\u6570\u636e\u8ba1\u7b97\u51fa\u7684\u805a\u96c6\u6027<\/p>\n
    \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n
    \u56fe 3\uff1a\u57fa\u4e8e 2015-01-01 \u81f3 2017-01-01 \u7684\u80a1\u7968\u6570\u636e\u8ba1\u7b97\u51fa\u7684\u805a\u96c6\u6027<\/p>\n
    \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n
    \u56fe 4\uff1a\u57fa\u4e8e 2016-01-01 \u81f3 2018-01-01 \u7684\u80a1\u7968\u6570\u636e\u8ba1\u7b97\u51fa\u7684\u805a\u96c6\u6027<\/p>\n
    \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n
    \u56fe 5\uff1a\u57fa\u4e8e 2017-01-01 \u81f3 2019-01-01 \u7684\u80a1\u7968\u6570\u636e\u8ba1\u7b97\u51fa\u7684\u805a\u96c6\u6027<\/p>\n
    \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n
    \u56fe 6\uff1a\u57fa\u4e8e 2018-01-01 \u81f3 2020-01-01 \u7684\u80a1\u7968\u6570\u636e\u8ba1\u7b97\u51fa\u7684\u805a\u96c6\u6027<\/p>\n
    \u7c97\u7565\u5206\u6790\u770b\uff0c\u968f\u7740\u65f6\u95f4\u7a97\u53e3\u53d8\u5316\uff0c\u6709\u4e9b\u677f\u5757\uff08\u9ad8\u901f\u3001\u94f6\u884c\u3001\u673a\u573a\u822a\u7a7a\u3001\u623f\u4ea7\u3001\u80fd\u6e90\uff09\u7684\u677f\u5757\u5185\u90e8\u4e2a\u80a1\u805a\u96c6\u6027\u4e00\u76f4\u4fdd\u6301\u6bd4\u8f83\u597d\u2014\u2014\u8fd9\u610f\u5473\u7740\u968f\u7740\u65f6\u95f4\u53d8\u5316\uff0c\u8fd9\u4e2a\u7248\u5757\u5185\u5404\u79cd\u4e00\u76f4\u4fdd\u6301\u6bd4\u8f83\u9ad8\u7684\u76f8\u5173\u6027\uff1b\u4f46\u6709\u4e9b\u677f\u5757\uff08\u5236\u9020\uff09\u7684\u805a\u96c6\u6027\u4f1a\u6301\u7eed\u53d8\u5316\u2014\u2014\u610f\u5473\u7740\u76f8\u5173\u6027\u4e00\u76f4\u5728\u53d1\u751f\u53d8\u5316\u3002<\/p>\n
    Disclaim<\/h2>\n
    \"\u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22<\/p>\n
    \u672c\u6587\u4e0d\u6784\u6210\u4efb\u4f55\u6295\u8d44\u5efa\u8bae\uff0c\u4e14\u4f5c\u8005\u4e0d\u6301\u6709\u672c\u6587\u4e2d\u4efb\u4e00\u80a1\u7968\u3002<\/p>\n
    \u53d7\u9650\u4e8e\u505c\u724c\u3001\u7194\u65ad\u3001\u6da8\u8dcc\u505c\u3001\u9001\u8f6c\u3001\u5e76\u8d2d\u3001\u4e3b\u8425\u4e1a\u52a1\u53d8\u66f4\u7b49\u60c5\u51b5\uff0c\u6570\u636e\u5904\u7406\u53ef\u80fd\u6709\u9519\u8bef\uff0c\u672a\u505a\u4e00\u4e00\u68c0\u67e5\u3002<\/p>\n
    \u53d7\u65f6\u95f4\u6240\u9650\uff0c\u672c\u6587\u53ea\u9009\u7528\u4e86 160 \u4e2a\u4e2a\u80a1\u6837\u672c\u8fc7\u53bb 6 \u5e74\u7684\u6570\u636e\uff0c\u53ea\u91c7\u7528\u4e86\u6700\u5c0f\u6269\u5f20\u6811\u4e00\u79cd\u529e\u6cd5\u6765\u505a\u805a\u7c7b\u5206\u7c7b\u3002\u672a\u6765\u53ef\u4ee5\u4f7f\u7528\u66f4\u5927\u7684\u6570\u636e\u96c6\uff08\u4f8b\u5982\u7f8e\u80a1\u3001\u884d\u751f\u54c1\u3001\u6570\u5b57\u8d27\u5e01\uff09\uff0c\u5c1d\u8bd5\u66f4\u591a\u79cd\u56fe\u673a\u5668\u5b66\u4e60\u7684\u529e\u6cd5\u3002<\/p>\n
    \u672c\u6587\u4ee3\u7801\u53ef\u89c1[18]<\/p>\n
    Reference<\/h2>\n
    [1] \u7528 NetworkX + Gephi + Nebula Graph \u5206\u6790<\u6743\u529b\u7684\u6e38\u620f>\u4eba\u7269\u5173\u7cfb\uff08\u4e0a\u7bc7\uff09https:\/\/nebula-graph.com.cn\/posts\/game-of-thrones-relationship-networkx-gephi-nebula-graph\/<\/p>\n
    [2] \u7528 NetworkX + Gephi + Nebula Graph \u5206\u6790<\u6743\u529b\u7684\u6e38\u620f>\u4eba\u7269\u5173\u7cfb\uff08\u4e0b\u7bc7\uff09 https:\/\/nebula-graph.com.cn\/posts\/game-of-thrones-relationship-networkx-gephi-nebula-graph-part-two\/<\/p>\n
    [3] NetworkX: a Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks. https:\/\/networkx.github.io\/<\/p>\n
    [4] Nebula Graph: A powerfully distributed, scalable, lightning-fast graph database written in C++. https:\/\/nebula-graph.io\/<\/p>\n
    [5] JGraphT: a Java library of graph theory data structures and algorithms. https:\/\/jgrapht.org\/<\/p>\n
    [6] mxGraph: JavaScript diagramming library that enables interactive graph and charting applications. https:\/\/jgraph.github.io\/mxgraph\/<\/p>\n
    [7] Bonanno, Giovanni & Lillo, Fabrizio & Mantegna, Rosario. (2000). High-frequency Cross-correlation in a Set of Stocks. arXiv.org, Quantitative Finance Papers. 1. 10.1080\/713665554.<\/p>\n
    [8] Mantegna, R.N. Hierarchical structure in financial markets. Eur. Phys. J. B 11, 193\u2013197 (1999).<\/p>\n
    [9] https:\/\/graphviz.org\/<\/p>\n
    [10] https:\/\/gephi.org\/<\/p>\n
    [11] https:\/\/github.com\/vesoft-inc\/nebula-java<\/p>\n
    [12] Nebula Graph Query Language (nGQL). https:\/\/docs.nebula-graph.io\/manual-EN\/1.overview\/1.concepts\/2.nGQL-overview\/<\/p>\n
    [13] Nebula Graph Query Engine. https:\/\/github.com\/vesoft-inc\/nebula-graph<\/p>\n
    [14] Nebula-storage: A distributed consistent graph storage. https:\/\/github.com\/vesoft-inc\/nebula-storage<\/p>\n
    [15] Neo4j. www.neo4j.com<\/p>\n
    [16] JanusGraph. janusgraph.org<\/p>\n
    [17] Apache Spark. spark.apache.org.<\/p>\n
    [18] https:\/\/github.com\/Judy1992\/nebula_scan<\/p>\n<\/p><\/div>\n
     \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>)        <\/div>\n
     <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n","protected":false},"excerpt":{"rendered":"
      \u7528\u56fe\u673a\u5668\u5b66\u4e60\u63a2\u7d22 A \u80a1\u4e2a\u80a1\u76f8\u5173\u6027…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/160553"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=160553"}],"version-history":[{"count":1,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/160553\/revisions"}],"predecessor-version":[{"id":160556,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/160553\/revisions\/160556"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=160553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=160553"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=160553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}