All Stories

  1. Sparton: Fast and Memory-Efficient Triton Kernel for Learned Sparse Retrieval

    Article • July 2026, ACM (Association for Computing Machinery)

    Thong Nguyen Thac, Cosimo Rulli

  2. Efficient Multivector Retrieval with Token-Aware Clustering and Hierarchical Indexing

    Article • July 2026, ACM (Association for Computing Machinery)

    Silvio Martinico, Cosimo Rulli

  3. Efficient Conversational Search via Topical Locality in Dense Retrieval

    Article • July 2025, ACM (Association for Computing Machinery)

    Raffaele Perego, Cosimo Rulli

  4. Effective Inference-Free Retrieval for Learned Sparse Representations

    Article • July 2025, ACM (Association for Computing Machinery)

    Thong Nguyen, Cosimo Rulli

  5. Accessible Similarity Search for Everyone with a Raspberry Pi

    Article • July 2025, ACM (Association for Computing Machinery)

    Silvio Martinico, Cosimo Rulli

  6. Neural Lexical Search with Learned Sparse Retrieval

    Article • July 2025, ACM (Association for Computing Machinery)

    Cosimo Rulli, Thong Nguyen Thac

  7. Pairing Clustered Inverted Indexes with κ-NN Graphs for Fast Approximate Retrieval over Learned Sparse Representations

    Article • October 2024, ACM (Association for Computing Machinery)

    Cosimo Rulli

  8. Efficient Inverted Indexes for Approximate Retrieval over Learned Sparse Representations

    Article • July 2024, ACM (Association for Computing Machinery)

    Cosimo Rulli