Non-negative Elastic Net Decoding for Information Retrieval
Introduces a retrieval method that selects documents by jointly reconstructing the query embedding as a sparse non-negative linear combination.
š arxiv.org/abs/2606.17910
Dense retrieval has become the dominant paradigm in information retrieval, in which each document is scored against a query by the inner product of their vector embeddings, and the top-$k$ documents b...
