Several releases: SPLADE V-2, SPLADE V-3, CoSPLADE etc.
SPLADE is sparse bi-encoder BERT-based model for effective and efficient first-stage ranking.
The expohedron is a polytope whose points represent all achievable exposures of items for a Position Based Model (PBM).
Code implementing the model introduced in Learning to Rank Images with Cross-Modal Graph Convolutions (ECIR’20).