| 2022 | IJCAI | Overlapping Communities and Roles in Networks with Node Attributes: Probabilistic Graphical Modeling, Bayesian Formulation and Variational Inference (Extended Abstract). | Gianni Costa, Riccardo Ortale |
| 2020 | PAKDD | Collaborative Recommendation of Temporally-Discounted Tag-Based Expertise for Community Question Answering. | Gianni Costa, Riccardo Ortale |
| 2020 | SDM | Document Clustering Meets Topic Modeling with Word Embeddings. | Gianni Costa, Riccardo Ortale |
| 2019 | ICTAI | Document Clustering and Topic Modeling: A Unified Bayesian Probabilistic Perspective. | Gianni Costa, Riccardo Ortale |
| 2019 | PAKDD | Mining Cluster Patterns in XML Corpora via Latent Topic Models of Content and Structure. | Gianni Costa, Riccardo Ortale |
| 2018 | PAKDD | Marrying Community Discovery and Role Analysis in Social Media via Topic Modeling. | Gianni Costa, Riccardo Ortale |
| 2017 | WISE | Overlapping Communities Meet Roles and Respective Behavioral Patterns in Networks with Node Attributes. | Gianni Costa, Riccardo Ortale |
| 2016 | IDA | A Mean-Field Variational Bayesian Approach to Detecting Overlapping Communities with Inner Roles Using Poisson Link Generation. | Gianni Costa, Riccardo Ortale |
| 2015 | ICMLA | Mining Clusters in XML Corpora Based on Bayesian Generative Topic Modeling. | Gianni Costa, Riccardo Ortale |
| 2015 | ICTAI | Fully-Automatic XML Clustering by Structure-Constrained Phrases. | Gianni Costa, Riccardo Ortale |
| 2014 | ICTAI | XML Document Co-clustering via Non-negative Matrix Tri-factorization. | Gianni Costa, Riccardo Ortale |
| 2013 | ICMLA | A Latent Semantic Approach to XML Clustering by Content and Structure Based on Non-negative Matrix Factorization. | Gianni Costa, Riccardo Ortale |
| 2013 | ICTAI | Developments in Partitioning XML Documents by Content and Structure Based on Combining Multiple Clusterings. | Gianni Costa, Riccardo Ortale |
| 2012 | ICTAI | On Effective XML Clustering by Path Commonality: An Efficient and Scalable Algorithm. | Gianni Costa, Riccardo Ortale |
| 2011 | IC3K | Characterizing Relationships through Co-clustering - A Probabilistic Approach. | Nicola Barbieri, Gianni Costa, Giuseppe Manco, Ettore Ritacco |
| 2011 | IC3K | A Block Coclustering Model for Pattern Discovering in Users' Preference Data. | Nicola Barbieri, Gianni Costa, Giuseppe Manco, Ettore Ritacco |
| 2011 | IC3K | Learning Effective XML Classifiers Based on Discriminatory Structures and Nested Content. | Gianni Costa, Riccardo Ortale, Ettore Ritacco |
| 2011 | IC3K | A Transactional Approach to Associative XML Classification by Content and Structure. | Gianni Costa, Riccardo Ortale, Ettore Ritacco |
| 2011 | ICTAI | Effective XML Classification Using Content and Structural Information via Rule Learning. | Gianni Costa, Riccardo Ortale, Ettore Ritacco |
| 2011 | RecSys | Modeling item selection and relevance for accurate recommendations: a bayesian approach. | Nicola Barbieri, Gianni Costa, Giuseppe Manco, Riccardo Ortale |
| 2010 | SAC | Mining models of exceptional objects through rule learning. | Gianni Costa, Fabio Fassetti, Massimo Guarascio, Giuseppe Manco, Riccardo Ortale |
| 2009 | DaWaK | Rule Learning with Probabilistic Smoothing. | Gianni Costa, Massimo Guarascio, Giuseppe Manco, Riccardo Ortale, Ettore Ritacco |
| 2009 | ICTAI | Clustering Relational Data: A Transactional Approach. | Gianni Costa, Alfredo Cuzzocrea, Giuseppe Manco, Riccardo Ortale |
| 2008 | SAC | A hierarchical model-based approach to co-clustering high-dimensional data. | Gianni Costa, Giuseppe Manco, Riccardo Ortale |
| 2007 | ICDE | Data Mining for Effective Risk Analysis in a Bank Intelligence Scenario. | Gianni Costa, Francesco Folino, Antonio Locane, Giuseppe Manco, Riccardo Ortale |
| 2004 | EDBT | Efficient Query Evaluation over Compressed XML Data. | Andrei Arion, Angela Bonifati, Gianni Costa, Sandra D'Aguanno, Ioana Manolescu, Andrea Pugliese |
| 2003 | VLDB | Xquec: Pushing Queries to Compressed XML Data. | Andrei Arion, Angela Bonifati, Gianni Costa, Sandra D'Aguanno, Ioana Manolescu, Andrea Pugliese |