Publications | Franco Maria Nardini

As a contributing author of the documents listed on this page, I have made available our work electronically to ensure timely dissemination of scientific and technical contributions on a non-commercial basis. Nevertheless, copyright and all rights therein are maintained by the authors or other copyright holders (e.g., the publisher). It is understood that all persons accessing this information will adhere to the appropriate copyright rules. In particular, these works may not be reposted without the copyright holder’s explicit permission.

Journal Papers

Learning Bivariate Scoring Functions for Ranking. Franco Maria Nardini, Roberto Trani, Rossano Venturini. Discover Computing. Springer. DOI.
Early Exit Strategies for Learning-to-Rank Cascades. Francesco Busolin, Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Salvatore Trani. IEEE Access. DOI.
Bridging Dense and Sparse Maximum Inner Product Search. Sebastian Bruch, Franco Maria Nardini, Amir Ingber, Edo Liberty. DOI. ArXiv.
An Approximate Algorithm for Maximum Inner Product Search over Streaming Sparse Vectors. Sebastian Bruch, Franco Maria Nardini, Amir Ingber, Edo Liberty. ACM Transactions on Information Systems. Volume 42. Issue 2. 2023. DOI. ArXiv.
Efficient and Effective Tree-based and Neural Learning to Rank. Sebastian Bruch, Claudio Lucchese, Franco Maria Nardini. Foundations and Trends® in Information Retrieval. 2023. DOI. ArXiv.
An Optimal Algorithm for Finding Champions in Tournament Graphs. Lorenzo Beretta, Franco Maria Nardini, Roberto Trani, Rossano Venturini. IEEE Transactions on Knowledge and Data Engineering (TKDE). 2023. DOI. ArXiv.
Distilled Neural Networks for Efficient Learning to Rank. Franco Maria Nardini, Cosimo Rulli, Salvatore Trani, Rossano Venturini. IEEE Transactions on Knowledge and Data Engineering (TKDE). 2023. DOI. ArXiv.
Caching Historical Embeddings in Conversational Search. Ophir Frieder, Ida Mele, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto. ACM TWEB. 2022. DOI.
Dynamic Hard Pruning of Neural Networks at the Edge of the Internet. Lorenzo Valerio, Franco Maria Nardini, Andrea Passarella, Raffaele Perego. Elsevier Journal of Network and Computer Applications (JNCA). Volume 200. 2022. DOI.
Fast Filtering of Search Results Sorted by Attribute. Franco Maria Nardini, Roberto Trani, Rossano Venturini. ACM Transactions on Information Systems (TOIS). 2021. DOI.
Adaptive Utterance Rewriting for Conversational Search. Ida Mele, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto, Ophir Frieder. Elsevier Information Processing and Management. 2021. DOI.
Neural Network Quantization in Federated Learning at the Edge. Nicola Tonellotto, Alberto Gotta, Franco Maria Nardini, Daniele Gadler, Fabrizio Silvestri. Elsevier Information Sciences. 2021. DOI.
Efficient Traversal of Decision Tree Ensembles with FPGAs. Romina Molina, Fernando Loor, Veronica Gil-Costa, Franco Maria Nardini, Raffaele Perego, Salvatore Trani. Elsevier Journal of Parallel and Distributed Computing. 2021. DOI.
RankEval: Evaluation and Investigation of Ranking Models. Claudio Lucchese, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Salvatore Trani. Elsevier SoftwareX. 2020. DOI.
Weighting Passages Enhances Accuracy. Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto, Ophir Frieder. ACM Transactions on Information Systems (TOIS). 2021. DOI.
A Novel Approach to Define the Local Region of Dynamic Selection Techniques in Imbalanced Credit Scoring Problems. Leopoldo Melo Junior, Franco Maria Nardini, Chiara Renso, Roberto Trani, Jose Antonio Macedo. Elsevier Expert Systems with Applications (ESWA). 2020. DOI.
Leveraging Feature Selection to Detect Potential Tax Fraudsters. Talos Matos, Jose Antonio Macedo, Francesco Lettich, Jose Maria Monteiro, Chiara Renso, Raffaele Perego, Franco Maria Nardini. Elsevier Expert Systems with Applications (ESWA). 2020. DOI.
Speed Prediction in Large and Dynamic Traffic Sensor Networks. Regis Pires Magalhaes, Francesco Lettich, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso, Roberto Trani. Elsevier Information Systems (IS). 2019. DOI.
Item-driven Group Formation. Daniel Valcarce, Igo Brilhante, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Elsevier Online Social Networks and Media (OSNEM). 2018. DOI.
Parallel Traversal of Large Ensembles of Decision Trees. Francesco Lettich, Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, Rossano Venturini. IEEE Transactions on Parallel and Distributed Systems (TPDS). 2018. DOI.
X-CLEAVER: Learning Ranking Ensembles by Growing and Pruning Trees. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Fabrizio Silvestri, Salvatore Trani. ACM Transactions on Intelligent Systems and Technology (TIST). Volume 9, Issue 6, October 2018. DOI.
Perception of Social Phenomena through the Multidimensional Analysis of Online Social Networks. Mauro Coletto, Andrea Esuli, Claudio Lucchese, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Elsevier Online Social Networks and Media (OSNEM). Volume 1, June 2017, Pages 14-32. DOI.
Fast Ranking with Additive Ensembles of Oblivious and Non-Oblivious Regression Trees. Domenico Dato, Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, Rossano Venturini. ACM Transactions on Information Systems (TOIS), Volume 35, Issue 2, Dec. 2016. DOI.
Quality versus Efficiency in Document Scoring with Learning-to-Rank Models. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, Gabriele Capannini. Information Processing & Management (Elsevier), available online: May 2016. DOI.
On Learning Prediction Models for Tourists Paths. Cristina Ioana Muntean, Franco Maria Nardini, Fabrizio Silvestri, Ranieri Baraglia. ACM Transactions on Intelligent Systems and Technology (TIST). Volume 7, Issue 1, 2016. available online: October 2015. DOI.
Planning Sightseeing Tours Using Crowdsensed Trajectories. Igo Brilhante, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso. In ACM SIGSPATIAL Special. Volume 7, Number 1, May 2015. ACM DL.
On Planning Sightseeing Tours with TripBuilder. Igo Ramalho Brilhante, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Information Processing & Management (Elsevier). 2014. DOI.
RICH: Research and Innovation for Cultural Heritage. Vincenzo Barone, Daniele Licari, Franco Maria Nardini. Conservation Science in Cultural Heritage. Volume 12, 2012. pp 109-133. DOI.
Generating Suggestions for Queries in the Long Tail with an Inverted Index. Daniele Broccolo, Lorenzo Marcon, Franco Maria Nardini, Fabrizio Silvestri, Raffaele Perego. Information Processing & Management (Elsevier), Volume 48, Issue 2, March 2012. DOI. PDF.
Efficient Diversification of Web Search Results. Gabriele Capannini, Franco Maria Nardini, Fabrizio Silvestri, Raffaele Perego. Proceedings of VLDB Endowment (PVLDB) 2011, Volume 4, Issue 7. PDF.

Patents

Methods to rank documents by a computer, using additive ensembles of regression trees and cache optimisation, and search engines using such a method. Domenico Dato, Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, Rossano Venturini. Patent No.: US Patent 11,106,685 B2. Date of Patent: August 31, 2021. URL.
Caching Historical Embeddings in Conversational Search. Ophir Frieder, Ida Mele, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto. Patent No.: US 12,067,021 B2. Date of Patent: August 20, 2024. URL.

Conference Papers

Pairing Clustered Inverted Indexes with kNN Graphs for Fast Approximate Retrieval over Learned Sparse Representations. Sebastian Bruch, Franco Maria Nardini, Cosimo Rulli, Rossano Venturini. Proceedings of the 33rd ACM International Conference on Information and Knowledge Management (CIKM). October 2024. ArXiv. DOI.
Early Exit Strategies for Approximate kNN Search in Dense Retrieval. Francesco Busolin, Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Salvatore Trani. Proceedings of the 33rd ACM International Conference on Information and Knowledge Management (CIKM). October 2024. ArXiv. DOI.
Efficient Inverted Indexes for Approximate Retrieval over Learned Sparse Representations. Sebastian Bruch, Franco Maria Nardini, Cosimo Rulli, Rossano Venturini. Proceedings of the 47th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2024. Best Paper Runner-Up. ArXiv. DOI.
A Learning-to-Rank Formulation of Clustering-Based Approximate Nearest Neighbor Search. Thomas Vecchiato, Claudio Lucchese, Franco Maria Nardini, Sebastian Bruch. Proceedings of the 47th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2024. ArXiv. DOI.
Efficient Multi-Vector Dense Retrieval with Bit Vectors. Franco Maria Nardini, Cosimo Rulli, Rossano Venturini. Proceedings of the 46th European Conference on Information Retrieval (ECIR) 2024. Full Paper. DOI.
Rewriting Conversational Utterances with Instructed Large Language Models. Elnara Galimzhanova, Cristina-Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Guido Rocchietti. Proceedings of the 22nd IEEE/WIC International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT). October 2023. PDF.
Commonsense Injection in Conversational Systems: An Adaptable Framework for Query Expansion. Guido Rocchietti, Ophir Frieder, Cristina-Ioana Muntean, Franco Maria Nardini, and Raffaele Perego. Proceedings of the 22nd IEEE/WIC International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT). October 2023. PDF.
Post-hoc Selection of Pareto-Optimal Solutions in Search and Recommendation. Vincenzo Paparella, Vito Walter Anelli, Franco Maria Nardini, Raffaele Perego, Tommaso Di Noia. Proceedings of the 32nd ACM International Conference on Information and Knowledge Management (CIKM). October 2023. DOI. ArXiv.
Can Embeddings Analysis Explain Large Language Model Ranking? Claudio Lucchese, Giorgia Minello, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Alberto Veneri. Proceedings of the 32nd ACM International Conference on Information and Knowledge Management (CIKM). October 2023. DOI.
ILMART: Interpretable Ranking with Constrained LambdaMART. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Alberto Veneri. Proceedings of the 45th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2022. DOI.
The Istella22 Dataset: Bridging Traditional and Neural Learning to Rank Evaluation. Domenico Dato, Sean MacAvaney, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto. Proceedings of the 45th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2022. DOI.
Ensemble Model Compression for Fast and Energy-Efficient Ranking on FPGAs. Veronica Gil-Costa, Fernando Loor, Romina Molina, Franco Maria Nardini, Raffaele Perego, Salvatore Trani. Proceedings of the 44th European Conference on Information Retrieval (ECIR) 2022. Full Paper. URL.
TSXor: A Simple Time Series Compression Algorithm. Andrea Bruno, Franco Maria Nardini, Giulio Ermanno Pibiri, Roberto Trani and Rossano Venturini. Proceedings of the 28th International Symposium of String Processing and Information Retrieval (SPIRE). October 2021. Lille (France). Short Paper. DOI.
Learning Early Exit Strategies for Additive Ranking Ensembles. Francesco Busolin, Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Salvatore Trani. Proceedings of the 44th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2021. Short paper. DOI.
Efficient Document Re-Ranking for Transformers by Precomputing Term Representations. Sean MacAvaney, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto, Nazli Goharian, Ophir Frieder. Proceedings of the 43rd International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2020. Full paper. DOI. ArXiv.
Training Curricula for Open Domain Answer Re-Ranking. Sean MacAvaney, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto, Nazli Goharian, Ophir Frieder. Proceedings of the 43rd International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2020. Full paper. DOI. ArXiv.
Expansion via Prediction of Importance with Contextualization. Sean MacAvaney, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto, Nazli Goharian, Ophir Frieder. Proceedings of the 43rd International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2020. Short paper. DOI. ArXiv.
Query-level Early Exit for Additive Learning-to-Rank Ensembles. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Salvatore Trani. Proceedings of the 43rd International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2020. Short paper. DOI. ArXiv.
Topic Propagation in Conversational Search. Ida Mele, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto, Ophir Frieder. Proceedings of the 43rd International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2020. Short paper. DOI. ArXiv.
Predicting and Explaining Privacy Risk Exposure in Mobility Data. Francesca Naretto, Roberto Pellungrini, Anna Monreale, Franco Maria Nardini, Mirco Musolesi. Proceedings of the International Conference on Discovery Science. DOI.
Fast Approximate Filtering of Search Results Sorted by Attribute. Franco Maria Nardini, Roberto Trani, Rossano Venturini. Proceedings of the 42nd International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2019. Full paper. DOI.
An Optimal Algorithm to Find Champions of Tournament Graphs. Lorenzo Beretta, Franco Maria Nardini, Roberto Trani, Rossano Venturini. Proceedings of the 26th International Symposium of String Processing and Information Retrieval (SPIRE). October 2019. Segovia (Spain). Short Paper. PDF.
Enhanced News Retrieval: Passages Lead the Way! Matteo Catena, Ophir Frieder, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto. Proceedings of the 42nd International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2019. Short paper. DOI.
Efficient and Effective Query Expansion for Web Search. Claudio Lucchese, Franco Maria Nardini, Raffaele Perego, Roberto Trani, Rossano Venturini. Proceedings of the 27th ACM International Conference on Information and Knowledge Management (CIKM). October 2018. Short Paper. DOI.
Selective Gradient Boosting for Effective Learning to Rank. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Salvatore Trani. Proceedings of the 41th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2018. Full paper. DOI.
X-DART: Blending Dropouts and Pruning for Efficient Learning To Rank. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Salvatore Trani. Proceedings of the 40th International ACM Conference on Research and Development in Information Retrieval (SIGIR). August 2017. Short paper. ACM DL.
RankEval: An Evaluation and Analysis Framework for Learning-to-Rank Solutions. Claudio Lucchese, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Salvatore Trani. Proceedings of the 40th International ACM Conference on Research and Development in Information Retrieval (SIGIR). August 2017. Demo paper. ACM DL.
Sentiment-enhanced Multidimensional Analysis of Online Social Networks: Perception of the Mediterranean Refugees Crisis. Mauro Coletto, Andrea Esuli, Claudio Lucchese, Cristina Ioana Muntean, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Proceedings of the 2016 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM). DOI.
Learning to Rank User Queries to Detect Search Tasks. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Gabriele Tolomei. Proceedings of the 2nd International Conference on the Theory of Information Retrieval (ICTIR). September 2016. Full paper. ACM DL.
Fast Feature Selection for Learning to Rank. Andrea Gigli, Claudio Lucchese, Franco Maria Nardini, Raffaele Perego. Proceedings of the 2nd International Conference on the Theory of Information Retrieval (ICTIR). September 2016. Short paper. ACM DL.
Exploiting CPU SIMD Extensions to Speed-up Document Scoring with Tree Ensembles. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, Rossano Venturini. Proceedings of the 39th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2016. Short paper. ACM DL.
Post-Learning Optimization of Tree Ensembles for Efficient Ranking. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Fabrizio Silvestri, Salvatore Trani. Proceedings of the 39th International ACM Conference on Research and Development in Information Retrieval (SIGIR). July 2016. Short paper. ACM DL.
Group Finder: an Item-driven Group Formation Framework. Igo Ramalho Brilhante, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Proceeding of the 17th IEEE International Conference on Mobile Data Management (MDM) 2016. June 2016. Full paper. IEEE Xplore.
MUSETS: Diversity-aware Web Query Suggestions for Shortening User Sessions. Marcin Sydow, Cristina Ioana Muntean, Franco Maria Nardini, Stan Matwin, Fabrizio Silvestri. Proceedings of the International Symposium on Methodologies for Intelligent Systems (ISMIS) 2015. October 2015. Full paper. LINK.
QuickScorer: a Fast Algorithm to Rank Documents with Additive Ensembles of Regression Trees. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, Rossano Venturini. Proceedings of the 38th International ACM Conference on Research and Development in Information Retrieval (SIGIR). August 2015. Full paper. Best Paper Award. ACM DL.
Speeding up Document Ranking with Rank-based Features. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto. Proceedings of the 38th International ACM Conference on Research and Development in Information Retrieval (SIGIR). August 2015. Short paper. ACM DL.
TripBuilder: A Tool for Recommending Sightseeing Tours, Igo Ramalho Brilhante, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Proceeding of the European Conference on Information Retrieval (ECIR) 2014. Amsterdam. (The Netherlands). April 2014. Best Demo Paper Award. PDF. DEMO.
LearNext: Learning to Predict Tourists Movements, Ranieri Baraglia, Cristina Ioana Muntean, Franco Maria Nardini, Fabrizio Silvestri. Proceedings of the ACM Conference on Information and Knowledge Management (CIKM) 2013. San Francisco, CA (USA). October 2013. Short paper. PDF.
Where Shall We Go Today? Planning Touristic Tours with TripBuilder, Igo Brilhante, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Proceedings of the ACM Conference on Information and Knowledge Management (CIKM) 2013. San Francisco, CA (USA). October 2013. Short paper. PDF.
Learning to Shorten Query Sessions. Cristina Ioana Muntean, Franco Maria Nardini, Fabrizio Silvestri, Marcin Sydow. Proceedings of the 22nd International Conference on World Wide Web (WWW). Rio de Janeiro (Brasil). May 2013. Poster paper. PDF.
When Entities Meet Query Recommender Systems: Semantic Search Shortcuts. Diego Ceccarelli, Sergiu Gordea, Claudio Lucchese, Franco Maria Nardini, Raffaele Perego. Proceedings of 28th ACM Symposium On Applied Computing (SAC) 2013. Coimbra (Portugal). March 2013. Full paper. PDF.
A Trajectory-Based Recommender System for Tourism. Ranieri Baraglia, Claudio Frattari, Cristina Ioana Muntean, Franco Maria Nardini, Fabrizio Silvestri. Proceedings of the International Conference on Active Media Technology (AMT) 2012. Macau (China). December 2012. Full paper. PDF.
Interactive and Context-Aware Tag Spell Check and Correction. Francesco Bonchi, Ophir Frieder, Franco Maria Nardini, Fabrizio Silvestri, Hossein Vahabi. Proceedings of the ACM Conference on Information and Knowledge Management (CIKM) 2012. Maui, Hawaii (USA). November 2012. Short paper. PDF.
RGU-ISTI-Essex at TREC 2011 Session Track. Ibrahim Adeyanju, Franco Maria Nardini, M-Dyaa Albakour, Dawei Song, Udo Kruschwitz. Proceedings of the International Text REtrieval Conference (TREC) 2011. (USA). November 2011. PDF.
Improving Europeana Search Experience Using Query Logs. Diego Ceccarelli, Sergiu Gordea, Claudio Lucchese, Franco Maria Nardini, Gabriele Tolomei. Proceedings of the International Conference on Theory and Practice of Digital Libraries (TPDL 2011). Berlin (Germany). September 2011. Full Paper. Acceptance Rate: 19%. PDF.
Efficient Diversification of Search Results using Query Logs. Gabriele Capannini, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri. Proceeding of the International World Wide Web Conference (WWW 2011). Hyderabad (India). March-April 2011. Poster Paper. Acceptance Rate 16%. PDF.
Incremental Algorithms for Effective and Efficient Query Recommendation. Daniele Broccolo, Ophir Frieder, Franco Maria Nardini, Fabrizio Silvestri, Raffaele Perego. Proceedings of the Symposium on String Processing and Information Retrieval (SPIRE 2010). Los Cabos (Mexico). October 2010. Full Paper. PDF.
On Tag Spell Checking. Ophir Frieder, Franco Maria Nardini, Fabrizio Silvestri, Hossein Vahabi, Pedram Vahabi. Proceedings of the Symposium on String Processing and Information Retrieval (SPIRE 2010). Los Cabos (Mexico). October 2010. Short Paper. PDF.
The Effects of Time on Query Flow Graph-based Models for Query Suggestion. Ranieri Baraglia, Carlos Castillo, Debora Donato, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri. Proceedings of the International Conference on Adaptivity, Personalization, and Fusion of Heterogeneous Information (RIAO 2010). Paris (France). April 2010. Full paper. Acceptance Rate: 19%. PDF.
Aging effects on Query Flow Graphs for Query Suggestion. Ranieri Baraglia, Carlos Castillo, Debora Donato, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri. Proceedings of the ACM Conference on Information and Knowledge Management (CIKM 2009). Hong Kong (China). November 2009. Poster paper. Acceptance Rate: 20.2%. PDF.
Collaborative Ranking of Grid-enabled Workflow Services Providers. Domenico Laforenza, Fabrizio Silvestri. Proceedings of The ACM/IEEE International Symposium on High Performance Distributed Computing (HPDC 2008). Boston (USA). June 2008. Poster paper. Acceptance Rate: 22%. PDF.

Books

Proceedings of the 30th International Symposium on String Processing and Information Retrieval (SPIRE) 2023. Franco Maria Nardini, Nadia Pisanti, Rossano Venturini (eds). Pisa (Italy) September, 2023. Lecture Notes in Computer Science. Springer. DOI.
Proceedings of the 13th Italian Information Retrieval Workshop (IIR) 2023. Franco Maria Nardini, Nicola Tonellotto, Guglielmo Faggioli, Antonio Ferrara (eds). Pisa (Italy) June, 2023. CEUR Workshop Proceedings. LINK.
Proceedings of the 7th Italian Information Retrieval Workshop (IIR) 2016. Giorgio Maria Di Nunzio, Franco Maria Nardini, Salvatore Orlando (eds). Venice (Italy), May 2016. CEUR Workshop Proceedings. LINK.
C++: Esercizi di Programmazione sulle Classi. Lanfranco Lopriore, Franco Maria Nardini, Nicola Tonellotto. Edizioni Il Campano, Pisa, 2016.
C++: Esercizi di Programmazione sulle Classi. Lanfranco Lopriore, Nicola Tonellotto, Franco Maria Nardini. Edizioni Il Campano, Pisa, 2015.

Tutorials

A Pragmatic Approach to Neural Information Retrieval. Franco Maria Nardini, Salvatore Trani. SEBD 2022.
Learning to Rank in Theory and Practice: From Gradient Boosting to Neural Networks and Unbiased Learning. Claudio Lucchese, Franco Maria Nardini, Rama Kumar Pasumarthi, Sebastian Bruch, Michael Bendersky, Xuanhui Wang, Harrie Oosterhuis, Rolf Jagerman, Maarten de Rijke. SIGIR 2019. website.
Efficiency/Effectiveness Trade-offs in Learning to Rank. Claudio Lucchese, Franco Maria Nardini. ECML/PKDD 2018. website.
Efficiency/Effectiveness Trade-offs in Learning to Rank. Claudio Lucchese, Franco Maria Nardini. ICTIR 2017. website.

Book Chapters

Analysing Trajectories of Mobile Users: From Data Warehouses to Recommender Systems. Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Alessandra Raffaetà, Chiara Renso, Claudio Silvestri. In “A Comprehensive Guide Through the Italian Database Research Over the Last 25 Years”. Springer International Publishing. 2018.
Effective Data Access Patterns on Massively Parallel Processors, Gabriele Capannini, Ranieri Baraglia, Franco Maria Nardini, Fabrizio Silvestri, Book Chapter, In “High-Performance Computing on Complex Environments”, Edited by Emmanuel Jeannot and Julius Zilinskas, Wiley Series on Parallel and Distributed Computing, John Wiley & Sons. LINK.
Mining Lifecycle Event Logs for Enhancing Service-based Applications. Philipp Leitner, Franco Maria Nardini, Gabriele Tolomei, Schahram Dustdar, Fabrizio Silvestri. Chapter in “Adaptive Web Services for Modular and Reusable Software Development: Tactics and Solutions”. IGI Global. LINK.

PhD Thesis

Query Log Mining to Enhance User Experience in Search Engines, University of Pisa, 2011, PDF.

Workshop Papers

Speeding-up Document Scoring with Tree Ensembles using CPU SIMD Extensions. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, and Rossano Venturini. Proceedings of the 7th Italian Information Retrieval Workshop (IIR) 2016. Venezia (Italy). LINK.
GPU-based Parallelization of QuickScorer to Speed-up Document Ranking with Tree Ensembles. Francesco Lettich, Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto, and Rossano Venturini. Proceedings of the 7th Italian Information Retrieval Workshop (IIR) 2016. Venezia (Italy). LINK.
Post-Learning Optimization of Tree Ensembles. Claudio Lucchese, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Fabrizio Silvestri, and Salvatore Trani. Proceedings of the 7th Italian Information Retrieval Workshop (IIR) 2016. Venezia (Italy). LINK.
Understanding Human Mobility During Events in Foursquare. Cristina Muntean, Franco Maria Nardini, and Anastasios Noulas. Proceedings of the 7th Italian Information Retrieval Workshop (IIR) 2016. Venezia (Italy). LINK.
User-Item Group Formation with GroupFinder. Chiara Renso, Jose Macedo, Franco Maria Nardini, Raffaele Perego, and Igo Brilhante. Proceedings of the 7th Italian Information Retrieval Workshop (IIR) 2016. Venezia (Italy). LINK.
QuickRank: a C++ Suite of Learning to Rank Algorithms. Gabriele Capannini, Domenico Dato, Claudio Lucchese, Monica Mori, Franco Maria Nardini, Salvatore Orlando, Raffaele Perego, Nicola Tonellotto. Proceedings of the 6th Italian Information Retrieval Workshop (IIR 2015). Cagliari (Italy). PDF.
Gamification in Information Retrieval: State of the art, Challenges and Opportunities. Cristina Ioana Muntean, Franco Maria Nardini. Proceedings of the 6th Italian Information Retrieval Workshop (IIR 2015). Cagliari (Italy). PDF.
Scaling up the Mining of Semantically-enriched Trajectories: TripBuilder at the World Level. Igo Brilhante, Jose Antonio Macedo, Franco Maria Nardini, Raffaele Perego, Chiara Renso. Proceedings of the 6th Italian Information Retrieval Workshop (IIR 2015). Cagliari (Italy). PDF.
LearNext: Learning to Predict Tourists Movements, Ranieri Baraglia, Cristina Ioana Muntean, Franco Maria Nardini, Fabrizio Silvestri. Proceedings of the 5th Italian Information Retrieval Workshop (IIR 2014). Rome (Italy). January 2014. Extended Abstract. PDF.
On Suggesting Entities as Web Search Queries, Diego Ceccarelli, Sergiu Gordea, Claudio Lucchese, Franco Maria Nardini, Raffaele Perego. Proceedings of the 4th Italian Information Retrieval Workshop (IIR 2013). Pisa (Italy). January 2013. Extended Abstract.PDF.
RecTour: A Recommender System for Tourists. Ranieri Baraglia, Claudio Frattari, Cristina Ioana Muntean, Franco Maria Nardini, Fabrizio Silvestri. Proceedings of the International Workshop on Tourism Facilities (TF 2012), co-located with the IEEE/WIC/ACM International Conference on Web Intelligence (WI-IAT 2012). Macau (China). December 2012.
Studying Search Shortcuts in a Query Log to Improve Retrieval Over Query Sessions. Franco Maria Nardini, M-Dyaa Albakour, Ibrahim Adeyanju, Udo Kruschwitz. Proceedings of the International Workshop on Information Retrieval Over Query Sessions (SIR 2012) co-located with the 34th European Conference on Information Retrieval (ECIR 2012). Barcelona (Spain). April 2012. PDF.
A Search Architecture Enabling Efficient Diversification of Search Results. Gabriele Capannini, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri. Proceedings of the Diversity in Document Retrieval Workshop (DDR 2011) co-located with the 33rd European Conference on Information Retrieval (ECIR 2011). Dublin (Ireland). April 2011. PDF.
Resource Discovery Support for Time-Critical Adaptive Applications. Carlo Bertolli, Daniele Buono, Gabriele Mencagli, Matteo Mordacchini, Franco Maria Nardini, Massimo Torquati, Marco Vanneschi. Proceedings of the International Workshop on Emergency Management: Communication and Computing Platforms co-located with the 6th International Wireless Communications and Mobile Computing Conference (IWCMC 2010). Caen (France). July 2010. PDF.
Refreshing Models to Provide Timely Query Recommendations. Daniele Broccolo, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri. Proceedings of the First Italian Information Retrieval Workshop (IIR 2010). Padova (Italy). January 2010. PDF.
Sorting using BItonic netwoRk wIth CUDA. Ranieri Baraglia, Gabriele Capannini, Franco Maria Nardini, Fabrizio Silvestri. Proceeding of the Large Scale Distributed Systems for Information Retrieval Workshop (LSDS-IR 2009) co-located with SIGIR 2009. Boston (USA). July 2009. PDF.

Technical Reports

Mining Lifecycle Event Logs for Enhancing Service-based Applications. Schahram Dustdar, Philipp Leitner, Franco Maria Nardini, Fabrizio Silvestri, Gabriele Tolomei. Technical Report. ISTI-CNR. May 2011.
Diversifying Search Results using Query Logs, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri, Technical Report. ISTI-CNR. May 2010.
An Efficient Algorithm to Generate Search Shortcuts, Daniele Broccolo, Lorenzo Marcon, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri. Technical Report. ISTI-CNR. May 2010.

Other Publications

Fast Traversal of Large Ensembles of Regression Trees, Claudio Lucchese, Franco Maria Nardini, Raffaele Perego, Nicola Tonellotto, Salvatore Orlando, Rossano Venturini. In ERCIM News, no 107. 2016.
Discovering Europeana Users’ Search Behavior, Diego Ceccarelli, Sergiu Gordea, Claudio Lucchese, Franco Maria Nardini, Raffaele Perego, Gabriele Tolomei. In ERCIM News, no. 86, 2011.
SPRANKER: A Discovery Tool to Rank Service Providers Using Quality of Experience, Domenico Laforenza, Franco Maria Nardini, Fabrizio Silvestri, Gabriele Tolomei. In ERCIM News, no. 74, 2008.