Table 2 Secure count aggregation at central server
From: A privacy-preserving distributed filtering framework for NLP artifacts
| Bigram | Encrypted Global Frequency |
|---|---|
| B1 | E(C11) + E(C12) + E(C13) + ⋯ |
| B2 | E(C21) + E(C22) + E(C23) + ⋯ |
| B3 | E(C31) + E(C32) + E(C33) + ⋯ |
| ⋮ | ⋮ |
