text: var nodes = new vis.DataSet([
                               /* {id: a, label: b, ...}, */
  {id: '3751', label: 'A1\n2.993222846126381', color: '#31b0d5', title: 'Name: A1<br>Alias: null<br>Value: 2.993222846126381<br>Type: CELL_WITH_FORMULA<br>Id: 3751<br>Formula Expression: Formula String: ACOSH(VALUE); Formula Values: ACOSH(10.0); Formula Ptg: ; Ptgs:  Index in Ptgs: 0 <br>Source Object Id: com.dataart.spreadsheetanalytics.engine.PoiProxyWorkbook@7dfec0bc'},
  {id: '3752', label: 'VALUE\n10.0', color: '#31b0d5', title: 'Name: VALUE<br>Alias: null<br>Value: 10.0<br>Type: CONSTANT_VALUE<br>Id: 3752<br>Formula Expression: Formula String: VALUE; Formula Values: 10.0; Formula Ptg: 10.0; Ptgs: VALUE Index in Ptgs: 0 <br>Source Object Id: com.dataart.spreadsheetanalytics.engine.PoiProxyWorkbook@7dfec0bc'},
  {id: '3753', label: 'ACOSH\n2.993222846126381', color: '#f0ad4e', title: 'Name: ACOSH<br>Alias: null<br>Value: 2.993222846126381<br>Type: FUNCTION<br>Id: 3753<br>Formula Expression: Formula String: ACOSH(VALUE); Formula Values: ACOSH(10.0); Formula Ptg: ; Ptgs:  Index in Ptgs: 1 <br>Source Object Id: com.dataart.spreadsheetanalytics.engine.PoiProxyWorkbook@7dfec0bc'},
  {id: '3754', label: 'B6\n9', color: '#31b0d5', title: 'Name: B6<br>Alias: null<br>Value: 9<br>Type: CELL_WITH_FORMULA<br>Id: 3754<br>Formula Expression: Formula String: CLEAN(B1); Formula Values: CLEAN(9.0); Formula Ptg: ; Ptgs:  Index in Ptgs: 0 <br>Source Object Id: com.dataart.spreadsheetanalytics.engine.PoiProxyWorkbook@7dfec0bc'},
  {id: '3755', label: 'B1\n9.0', color: '#31b0d5', title: 'Name: B1<br>Alias: null<br>Value: 9.0<br>Type: CELL_WITH_VALUE<br>Id: 3755<br>Formula Expression: Formula String: B1; Formula Values: 9.0; Formula Ptg: 9.0; Ptgs: B1 Index in Ptgs: 0 <br>Source Object Id: com.dataart.spreadsheetanalytics.engine.PoiProxyWorkbook@7dfec0bc'},
  {id: '3756', label: 'CLEAN\n9', color: '#f0ad4e', title: 'Name: CLEAN<br>Alias: null<br>Value: 9<br>Type: FUNCTION<br>Id: 3756<br>Formula Expression: Formula String: CLEAN(B1); Formula Values: CLEAN(9.0); Formula Ptg: ; Ptgs:  Index in Ptgs: 1 <br>Source Object Id: com.dataart.spreadsheetanalytics.engine.PoiProxyWorkbook@7dfec0bc'}
                              ]);
  
  
  var edges = new vis.DataSet([
                               /* {from: id_a, to: id_b}, */
  {from: '3752', to: '3753'},
  {from: '3755', to: '3756'},
  {from: '3753', to: '3751'},
  {from: '3756', to: '3754'}
                              ]);