* SIMDBP128 / SIMDPforDelta
* PEF (Partitioned Elias Fano)[https://github.com/lemire/FastPFor FastPFor]
* PFOR / PFOR Delta / NewPforDelta
* VB / GroupVB
* PEF (Partitioned Elias Fano) [http://github.com/ot/partitioned_elias_fano Partitioned Elias-Fano Index]
* Data Structures for Inverted Indexes ([https://github.com/ot/ds2i ds2i])
* [http://github.com/ot/partitioned_elias_fano Partitioned Elias-Fano Index]
* [https://github.com/lemire/FastPFor FastPFor]