Table 1 Comparison of traditional trust evaluation mechanisms in UWSNs.

From: A Dynamic Trust evaluation and update model using advance decision tree for underwater Wireless Sensor Networks

Refs.

Methodology

Strengths

Limitations

11

Direct observation

Simple and efficient

Limited to direct interactions

12

Indirect evaluation

Expands trust evaluation scope

Relies on third-party feedback

13

Data-centric evaluation

Focuses on data reliability

May not capture all malicious behaviors

14

Hybrid model

Comprehensive and robust

Complexity in implementation

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