2022

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Report on the 1st Workshop on Reaching Efficiency in Neural Information Retrieval (ReNeuIR 2022) at SIGIR 2022
Sebastian Bruch | Claudio Lucchese | Franco Maria Nardini
2022 Volume 56 Issue 2

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Fast Filtering of Search Results Sorted by Attribute
Franco Maria Nardini | Roberto Trani | Rossano Venturini
2022 Volume 40 Issue 2

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Interpretable Ranking Using LambdaMART (Abstract)
Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Alberto Veneri
Proceedings of the 12th Italian Information Retrieval Workshop 2022, Milan, Italy, June 29-30, 2022

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Energy-Efficient Ranking on FPGAs through Ensemble Model Compression (Abstract)
Veronica Gil-Costa | Fernando Loor | Romina Molina | Franco Maria Nardini | Raffaele Perego | Salvatore Trani
Proceedings of the 12th Italian Information Retrieval Workshop 2022, Milan, Italy, June 29-30, 2022

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A Comprehensive Dataset for Modern Learning to Rank Solutions (Abstract)
Domenico Dato | Sean MacAvaney | Franco Maria Nardini | Raffaele Perego | Nicola Tonellotto
Proceedings of the 12th Italian Information Retrieval Workshop 2022, Milan, Italy, June 29-30, 2022

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ReNeuIR: Reaching Efficiency in Neural Information Retrieval
Sebastian Bruch | Claudio Lucchese | Franco Maria Nardini
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

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The Istella22 Dataset: Bridging Traditional and Neural Learning to Rank Evaluation
Domenico Dato | Sean MacAvaney | Franco Maria Nardini | Raffaele Perego | Nicola Tonellotto
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

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ILMART: Interpretable Ranking with Constrained LambdaMART
Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Alberto Veneri
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

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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
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part I

2021

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Weighting Passages Enhances Accuracy
Cristina Ioana Muntean | Franco Maria Nardini | Raffaele Perego | Nicola Tonellotto | Ophir Frieder
2021 Volume 39 Issue 2

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Adaptive utterance rewriting for conversational search
Ida Mele | Cristina Ioana Muntean | Franco Maria Nardini | Raffaele Perego | Nicola Tonellotto | Ophir Frieder
2021 Volume 58 Issue 6

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TSXor: A Simple Time Series Compression Algorithm
Andrea Bruno | Franco Maria Nardini | Giulio Ermanno Pibiri | Roberto Trani | Rossano Venturini
String Processing and Information Retrieval - 28th International Symposium, SPIRE 2021, Lille, France, October 4-6, 2021, Proceedings

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Learning Early Exit Strategies for Additive Ranking Ensembles
Francesco Busolin | Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Salvatore Trani
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

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Topical Enrichment of Conversational Search Utterances: Participation of the HPCLab-CNR Team in CAsT 2020
Ida Mele | Cristina Ioana Muntean | Franco Maria Nardini | Raffaele Perego | Nicola Tonellotto
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020

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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 SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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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 SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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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 SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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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 SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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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 SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2019

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An Optimal Algorithm to Find Champions of Tournament Graphs
Lorenzo Beretta | Franco Maria Nardini | Roberto Trani | Rossano Venturini
String Processing and Information Retrieval - 26th International Symposium, SPIRE 2019, Segovia, Spain, October 7-9, 2019, Proceedings

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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
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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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 SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Fast Approximate Filtering of Search Results Sorted by Attribute
Franco Maria Nardini | Roberto Trani | Rossano Venturini
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

2018

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X-CLEaVER: Learning Ranking Ensembles by Growing and Pruning Trees
Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Fabrizio Silvestri | Salvatore Trani
2018 Volume 9 Issue 6

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Selective Gradient Boosting for Effective Learning to Rank
Claudio Lucchese | Franco Maria Nardini | Raffaele Perego | Salvatore Orlando | Salvatore Trani
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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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 2018, Torino, Italy, October 22-26, 2018

2017

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The Impact of Negative Samples on Learning to Rank
Claudio Lucchese | Franco Maria Nardini | Raffaele Perego | Salvatore Trani
Proceedings of the 1st International Workshop on LEARning Next gEneration Rankers co-located with the 3rd ACM International Conference on the Theory of Information Retrieval (ICTIR 2017), Amsterdam, The Netherlands, October 1, 2017

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Efficiency/Effectiveness Trade-offs in Learning to Rank
Claudio Lucchese | Franco Maria Nardini
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2017, Amsterdam, The Netherlands, October 1-4, 2017

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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 SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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X-DART: Blending Dropout and Pruning for Efficient Learning to Rank
Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Salvatore Trani
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

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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
2016 Volume 35 Issue 2

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Quality versus efficiency in document scoring with learning-to-rank models
Gabriele Capannini | Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Nicola Tonellotto
2016 Volume 52 Issue 6

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User-Item Group Formation with GroupFinder
Chiara Renso | José Antônio Fernandes de Macêdo | Franco Maria Nardini | Raffaele Perego | Igo Ramalho Brilhante
Proceedings of the 7th Italian Information Retrieval Workshop, Venezia, Italy, May 30-31, 2016

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Understanding Human Mobility During Events in Foursquare
Cristina Ioana Muntean | Franco Maria Nardini | Anastasios Noulas
Proceedings of the 7th Italian Information Retrieval Workshop, Venezia, Italy, May 30-31, 2016

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Speeding-up Document Scoring with Tree Ensembles using CPU SIMD Extensions
Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Nicola Tonellotto | Rossano Venturini
Proceedings of the 7th Italian Information Retrieval Workshop, Venezia, Italy, May 30-31, 2016

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Post-Learning Optimization of Tree Ensembles
Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Raffaele Perego | Fabrizio Silvestri | Salvatore Trani
Proceedings of the 7th Italian Information Retrieval Workshop, Venezia, Italy, May 30-31, 2016

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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 | Rossano Venturini
Proceedings of the 7th Italian Information Retrieval Workshop, Venezia, Italy, May 30-31, 2016

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Proceedings of the 7th Italian Information Retrieval Workshop, Venezia, Italy, May 30-31, 2016

Proceedings of the 7th Italian Information Retrieval Workshop, Venezia, Italy, May 30-31, 2016

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Fast Feature Selection for Learning to Rank
Andrea Gigli | Claudio Lucchese | Franco Maria Nardini | Raffaele Perego
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016

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Learning to Rank User Queries to Detect Search Tasks
Claudio Lucchese | Franco Maria Nardini | Salvatore Orlando | Gabriele Tolomei
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016

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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 SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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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 SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

2015

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On Learning Prediction Models for Tourists Paths
Cristina Ioana Muntean | Franco Maria Nardini | Fabrizio Silvestri | Ranieri Baraglia
2015 Volume 7 Issue 1

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On planning sightseeing tours with TripBuilder
Igo Ramalho Brilhante | José Antônio Fernandes de Macêdo | Franco Maria Nardini | Raffaele Perego | Chiara Renso
2015 Volume 51 Issue 2

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Scaling up the Mining of Semantically-enriched Trajectories: TripBuilder at the World Level
Igo Ramalho Brilhante | José Antônio Fernandes de Macêdo | Franco Maria Nardini | Raffaele Perego | Chiara Renso
Proceedings of the 6th Italian Information Retrieval Workshop, Cagliari, Italy, May 25-26, 2015

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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, Cagliari, Italy, May 25-26, 2015

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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, Cagliari, Italy, May 25-26, 2015

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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 SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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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 SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

2014

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LearNext: Learning to Predict Tourists Movements
Ranieri Baraglia | Cristina Ioana Muntean | Franco Maria Nardini | Fabrizio Silvestri
Proceedings of the 5th Italian Information Retrieval Workshop, Roma, Italy, January 20-21, 2014

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TripBuilder: A Tool for Recommending Sightseeing Tours
Igo Ramalho Brilhante | José Antônio Fernandes de Macêdo | Franco Maria Nardini | Raffaele Perego | Chiara Renso
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

2013

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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, Pisa, Italy, January 16-17, 2013

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Where shall we go today?: planning touristic tours with tripbuilder
Igo Ramalho Brilhante | José Antônio Fernandes de Macêdo | Franco Maria Nardini | Raffaele Perego | Chiara Renso
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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LearNext: learning to predict tourists movements
Ranieri Baraglia | Cristina Ioana Muntean | Franco Maria Nardini | Fabrizio Silvestri
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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Learning to shorten query sessions
Cristina Ioana Muntean | Franco Maria Nardini | Fabrizio Silvestri | Marcin Sydow
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

2012

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Generating suggestions for queries in the long tail with an inverted index
Daniele Broccolo | Lorenzo Marcon | Franco Maria Nardini | Raffaele Perego | Fabrizio Silvestri
2012 Volume 48 Issue 2

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Interactive and context-aware tag spell check and correction
Francesco Bonchi | Ophir Frieder | Franco Maria Nardini | Fabrizio Silvestri | Hossein Vahabi
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

2011

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RGU-ISTI-Essex at TREC 2011 Session Track
Ibrahim Adeyanju | Dawei Song | Franco Maria Nardini | M-Dyaa Albakour | Udo Kruschwitz
Proceedings of The Twentieth Text REtrieval Conference, TREC 2011, Gaithersburg, Maryland, USA, November 15-18, 2011

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Efficient diversification of search results using query logs
Gabriele Capannini | Franco Maria Nardini | Raffaele Perego | Fabrizio Silvestri
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011 (Companion Volume)

2010

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Refreshing Models to Provide Timely Query Recommendations
Daniele Broccolo | Franco Maria Nardini | Raffaele Perego | Fabrizio Silvestri
IIR 2010 - Proceedings of the First Italian Information Retrieval Workshop, Padua, Italy, January 27-28, 2010

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On Tag Spell Checking
Franco Maria Nardini | Fabrizio Silvestri | Hossein Vahabi | Pedram Vahabi | Ophir Frieder
String Processing and Information Retrieval - 17th International Symposium, SPIRE 2010, Los Cabos, Mexico, October 11-13, 2010. Proceedings

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Incremental Algorithms for Effective and Efficient Query Recommendation
Daniele Broccolo | Ophir Frieder | Franco Maria Nardini | Raffaele Perego | Fabrizio Silvestri
String Processing and Information Retrieval - 17th International Symposium, SPIRE 2010, Los Cabos, Mexico, October 11-13, 2010. Proceedings

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The effects of time on query flow graph-based models for query suggestion
Ranieri Baraglia | Franco Maria Nardini | Carlos Castillo | Raffaele Perego | Debora Donato | Fabrizio Silvestri
Recherche d'Information Assistée par Ordinateur, RIAO 2010: Adaptivity, Personalization and Fusion of Heterogeneous Information, 9th International Conference, Bibliotheque Nationale de France, Paris, France, April 28-30, 2010, Proceedings

2009

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Sorting using BItonic netwoRk wIth CUDA
Gabriele Capannini | Fabrizio Silvestri | Ranieri Baraglia | Franco Maria Nardini
Proceedings of the 7th Workshop on Large-Scale Distributed Systems for Information Retrieval, co-located with ACM SIGIR 2009, LSDS-IR@SIGIR 2009, Boston, USA, July 23, 2009

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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 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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