Recognition
Awards
Awards, challenge wins, and other recognitions received by members of the team.
1st and 2nd place, SISAP 2026 Indexing Challenge (Task 3: Sparse)
2026SISAP 2026
Our kANNolo graph and Seismic inverted index finished first and second in approximate search over learned sparse embeddings.
Recipients: Silvio Martinico, Franco Maria Nardini, Cosimo Rulli, Rossano Venturini
Paper: Two Indexes, One Foundation: kANNolo and Seismic for Efficient Learned Sparse Retrieval at SISAP 2026
DOI: 10.1007/978-3-032-42224-8_36
Best Short Student Paper, ECIR 2025
2025ECIR 2025
Awarded at the 47th European Conference on Information Retrieval for our study of how graph-based and inverted-index sparse retrieval scale to the 138M-passage MS MARCO v2 collection.
Recipients: Sebastian Bruch, Franco Maria Nardini, Cosimo Rulli, Rossano Venturini, Leonardo Venuta
Paper: Investigating the Scalability of Approximate Sparse Retrieval Algorithms to Massive Datasets
DOI: 10.1007/978-3-031-88714-7_43
Best Paper Runner-up, SIGIR 2024
2024SIGIR 2024
Awarded at the 47th International ACM SIGIR Conference for Seismic, our inverted index for fast approximate retrieval over learned sparse embeddings.
Recipients: Sebastian Bruch, Franco Maria Nardini, Cosimo Rulli, Rossano Venturini
Paper: Efficient Inverted Indexes for Approximate Retrieval over Learned Sparse Representations
DOI: 10.1145/3626772.3657769