Counting Quotient Filters (CQF) and Mixed-Counters Quotient Filters (MQF) are more efficient than Bloom Filters, and can count, making them highly suited for ap

Counting Quotient Filters (CQF) and Mixed-Counters Quotient Filters (MQF) are more efficient than Bloom Filters, and can count, making them highly suited for applications like rate-limiting at scale. https://link.springer.com/content/pdf/10.1186/s12859-021-03996-x.pdf https://link.springer.com/content/pdf/10.1186/s12859-021-039...