Does Anserini support indexing like COIL?

[namespace-Pt]

COIL saves each token's dense embedding and retrieves document based on the dot product between overlapping tokens. Can Anserini do this? Or would you implement this in the future?

[lintool]

Currently, Anserini does not support COIL and there are no plans to add support for COIL.

Anserini does support uniCOIL (our improvement on COIL), as described here: https://arxiv.org/abs/2106.14807

See reproduction guides here:

• https://github.com/castorini/anserini/blob/master/docs/experiments-msmarco-unicoil.md
• https://github.com/castorini/anserini/blob/master/docs/experiments-msmarco-passage-unicoil-tilde-expansion.md