SimHash

Select Connection: INPUT[inlineListSuggester(optionQuery(#permanent_note), optionQuery(#literature_note), optionQuery(#fleeting_note)):connections]

Hashing function for Cosine Similarity

DEFINITION

$$h_w^{sim}(x)=sign(w^{T}x)$$

The probability of collision satisfy the following equation:

$$P(h_w^{sim}(x)=h_w^{sim}(y))=1-\frac{\theta }{\pi }$$

where $\theta =\arccos (si{m}_{cos})$.