A New Collaborative Filtering Algorithm Integrating Time and Multisimilarity

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Algorithm</td><td class="align_center">Running time (unit: second)</td></tr><tr><td class="align_left" colspan="2"><hr/></td></tr><tr><td class="align_left">COS</td><td class="align_center">802.98</td></tr><tr><td class="align_left">OS</td><td class="align_center">1367.66</td></tr><tr><td class="align_left">COS-ER</td><td class="align_center">1211.23</td></tr><tr><td class="align_left">COS-MS</td><td class="align_center">2167.56</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Algorithm time efficiency (based on Movielens100K dataset).</div>

Mathematical Problems in Engineering

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Table 3

Table 3: A New Collaborative Filtering Algorithm Integrating Time and Multisimilarity 