CODE & DATA

Data, code and models released by NAVER LABS Europe

OSCAR

Online Soft Compression And Reranking

A novel query-dependent online soft compression method for RAG that reduces computational overhead while preserving performance. Unlike traditional hard compression methods, which shorten retrieved texts, or soft compression approaches, which map documents to continuous embeddings offline, OSCAR dynamically compresses retrieved information at inference time, eliminating storage overhead and enabling higher compression rates.

mRAG

Retrieval-augmented generation in multilingual settings

Retrieval-augmented generation (RAG) in the multilingual setting (mRAG). Our findings highlight that despite the availability of high-quality off-the-shelf multilingual retrievers and generators, task-specific prompt engineering is needed to enable generation in user languages. Moreover, current evaluation metrics need adjustments for multilingual setting, to account for variations in spelling named entities.

SPLADE

A sparse bi-encoder BERT-based model for effective and efficient first-stage ranking.

Several releases: SPLADE V-2, SPLADE V-3, CoSPLADE etc.

CoSPLADE

Contextualizing SPLADE for conversational information retrieval.

SPLADE is sparse bi-encoder BERT-based model for effective and efficient first-stage ranking.

Expohedron

Efficient pareto-optimal fairness-utility amortizations in repeated rankings.

The expohedron is a polytope whose points represent all achievable exposures of items for a Position Based Model (PBM).

DCMM

Differentiable Cross Modal Model

Code implementing the model introduced in Learning to Rank Images with Cross-Modal Graph Convolutions (ECIR’20).

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