Question: In the density-based outlier detection method of Section 11.3.2, the definition of local reachability density has a potential problem: (operatorname{lr} d_{k}(o)=infty) may occur. Explain why

In the density-based outlier detection method of Section 11.3.2, the definition of local reachability density has a potential problem: $\operatorname{lr} d_{k}(o)=\infty$ may occur. Explain why this may occur and propose a fix to the issue.

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