[Retracted] A Two-Phase Method for Optimization of the SPARQL Query

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">Q1</td><td class="align_center">Q2</td><td class="align_center">Q3</td><td class="align_center">Q4</td><td class="align_center">Q5</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">RDF-3x</td><td class="align_center">392,688,864</td><td class="align_center">424,747,108</td><td class="align_center">334,234,879</td><td class="align_center">245,123,469</td><td class="align_center">575,821,432</td></tr><tr><td class="align_left">Two-phase</td><td class="align_center">212,452,134</td><td class="align_center">234,876,67</td><td class="align_center">301,567,121</td><td class="align_center">135,877,334</td><td class="align_center">376,223,562</td></tr><tr><td class="align_left">TripleBit</td><td class="align_center">212,404,452</td><td class="align_center">372,245,356</td><td class="align_center">313,458,135</td><td class="align_center">148,356,765</td><td class="align_center">376,278,263</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Evaluation results of LUBM for Q1-Q5.</div>

Journal of Sensors

tab6

Table 6

Table 6: [Retracted] A Two-Phase Method for Optimization of the SPARQL Query 