d="p0005">A new method based on unsupervised OPF for NTL detection is proposed.
dd><dt class="label">•dt><dd>d="p0010">Modelling the problem of NTL as being an anomaly detection task.
dd><dt class="label">•dt><dd>d="p0015">Employing unsupervised OPF to estimate the parameters of the Gaussian distributions.
dd><dt class="label">•dt><dd>d="p0020">An anomaly detection approach based on unsupervised optimum-path forest.
dd><dt class="label">•dt><dd>d="p0025">Performing unsupervised OPF against the well-known unsupervised techniques.
dd>dl>