Table 2 Attribute distribution among Bloom Filters
From: Realizing IoT service’s policy privacy over publish/subscribe-based middleware
\(w_1\) | \(w_2\) | \(\ldots\) | \(w_{n-1}\) | \(w_n\) | bitstrings | |
|---|---|---|---|---|---|---|
\(BF_1\) | 1 | 1 | \(\ldots\) | 1 | 0 | \(b_1\) |
\(BF_2\) | 1 | 1 | \(\ldots\) | 0 | 1 | \(b_2\) |
\(\ldots\) | \(\ldots\) | \(b\ldots\) | ||||
\(BF_{n-1}\) | 1 | 0 | \(\ldots\) | 1 | 1 | \(b_{n-1}\) |
\(BF_n\) | 0 | 1 | \(\ldots\) | 1 | 1 | \(b_n\) |
\(BF_t\) | 1 | 1 | \(\ldots\) | 1 | 1 | b |