Group Recommendation Systems Based on External Social-Trust Networks

<table class="fixed-width table-group" id="tab9"><tr><td><table class="table"><colgroup><col style="width:5.80em"/><col style="width:2.99em"/><col style="width:3.26em"/><col style="width:3.85em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">sample size </td><td class="align_center">100</td><td class="align_center">1000</td><td class="align_center">10000</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">ratio</td><td class="align_center">0.48</td><td class="align_center">0.518</td><td class="align_center">0.5265</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Social network utilization ratio.</div>

Wireless Communications and Mobile Computing

tab9

Table 9

Table 9: Group Recommendation Systems Based on External Social-Trust Networks 