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Gianni Costa
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2020 – today
- 2023
- [j19]Gianni Costa
, Riccardo Ortale
:
Here are the answers. What is your question? Bayesian collaborative tag-based recommendation of time-sensitive expertise in question-answering communities. Expert Syst. Appl. 225: 120042 (2023) - [j18]Gianni Costa
, Riccardo Ortale
:
Ask and Ye shall be Answered: Bayesian tag-based collaborative recommendation of trustworthy experts over time in community question answering. Inf. Fusion 99: 101856 (2023) - [j17]Gianni Costa
, Agostino Forestiero
, Riccardo Ortale
:
Rule-Based Detection of Anomalous Patterns in Device Behavior for Explainable IoT Security. IEEE Trans. Serv. Comput. 16(6): 4514-4525 (2023) - 2022
- [j16]Gianni Costa
, Riccardo Ortale
:
Overlapping communities and roles in networks with node attributes: Probabilistic graphical modeling, Bayesian formulation and variational inference. Artif. Intell. 302: 103580 (2022) - [j15]Gianni Costa
, Riccardo Ortale
:
Hierarchical Bayesian text modeling for the unsupervised joint analysis of latent topics and semantic clusters. Int. J. Approx. Reason. 147: 23-39 (2022) - [c41]Gianni Costa, Riccardo Ortale:
Overlapping Communities and Roles in Networks with Node Attributes: Probabilistic Graphical Modeling, Bayesian Formulation and Variational Inference (Extended Abstract). IJCAI 2022: 5713-5717 - 2021
- [j14]Gianni Costa
, Riccardo Ortale
:
Jointly modeling and simultaneously discovering topics and clusters in text corpora using word vectors. Inf. Sci. 563: 226-240 (2021) - [j13]Gianni Costa
, Riccardo Ortale
:
Effective interrelation of Bayesian nonparametric document clustering and embedded-topic modeling. Knowl. Based Syst. 234: 107591 (2021) - 2020
- [j12]Gianni Costa
, Riccardo Ortale
:
Integrating overlapping community discovery and role analysis: Bayesian probabilistic generative modeling and mean-field variational inference. Eng. Appl. Artif. Intell. 89: 103437 (2020) - [j11]Gianni Costa
, Riccardo Ortale
:
Topic-aware joint analysis of overlapping communities and roles in social media. Int. J. Data Sci. Anal. 9(4): 415-429 (2020) - [c40]Gianni Costa
, Riccardo Ortale
:
Collaborative Recommendation of Temporally-Discounted Tag-Based Expertise for Community Question Answering. PAKDD (1) 2020: 41-52 - [c39]Gianni Costa
, Riccardo Ortale
:
Document Clustering Meets Topic Modeling with Word Embeddings. SDM 2020: 244-252
2010 – 2019
- 2019
- [c38]Gianni Costa
, Riccardo Ortale
:
Document Clustering and Topic Modeling: A Unified Bayesian Probabilistic Perspective. ICTAI 2019: 278-285 - [c37]Gianni Costa
, Riccardo Ortale
:
Mining Cluster Patterns in XML Corpora via Latent Topic Models of Content and Structure. PAKDD (3) 2019: 237-248 - 2018
- [j10]Gianni Costa
, Riccardo Ortale
:
Machine learning techniques for XML (co-)clustering by structure-constrained phrases. Inf. Retr. J. 21(1): 24-55 (2018) - [j9]Gianni Costa
, Riccardo Ortale
:
Mining Overlapping Communities and Inner Role Assignments through Bayesian Mixed-Membership Models of Networks with Context-Dependent Interactions. ACM Trans. Knowl. Discov. Data 12(2): 18:1-18:32 (2018) - [c36]Gianni Costa
, Riccardo Ortale
:
Marrying Community Discovery and Role Analysis in Social Media via Topic Modeling. PAKDD (2) 2018: 80-91 - [c35]Gianni Costa
, Riccardo Ortale
:
Topical Cluster Discovery in Semistructured Healthcare Data. WI 2018: 772-775 - 2017
- [j8]Gianni Costa
, Riccardo Ortale
:
XML Clustering by Structure-Constrained Phrases: A Fully-Automatic Approach Using Contextualized N-Grams. Int. J. Artif. Intell. Tools 26(1): 1760002:1-1760002:24 (2017) - [c34]Gianni Costa
, Riccardo Ortale
:
Overlapping Communities Meet Roles and Respective Behavioral Patterns in Networks with Node Attributes. WISE (1) 2017: 215-230 - 2016
- [j7]Gianni Costa
, Riccardo Ortale
:
Model-Based Collaborative Personalized Recommendation on Signed Social Rating Networks. ACM Trans. Internet Techn. 16(3): 20:1-20:21 (2016) - [c33]Gianni Costa
, Riccardo Ortale
:
A Mean-Field Variational Bayesian Approach to Detecting Overlapping Communities with Inner Roles Using Poisson Link Generation. IDA 2016: 110-122 - [c32]Gianni Costa
, Riccardo Ortale
:
Scalable Detection of Overlapping Communities and Role Assignments in Networks via Bayesian Probabilistic Generative Affiliation Modeling. OTM Conferences 2016: 99-117 - 2015
- [c31]Gianni Costa
, Riccardo Ortale
:
Mining Clusters in XML Corpora Based on Bayesian Generative Topic Modeling. ICMLA 2015: 515-520 - [c30]Gianni Costa
, Riccardo Ortale
:
Fully-Automatic XML Clustering by Structure-Constrained Phrases. ICTAI 2015: 146-153 - 2014
- [j6]Gianni Costa
, Giuseppe Manco
, Elio Masciari
:
Dealing with trajectory streams by clustering and mathematical transforms. J. Intell. Inf. Syst. 42(1): 155-177 (2014) - [c29]Gianni Costa
, Riccardo Ortale
:
A unified generative Bayesian model for community discovery and role assignment based upon latent interaction factors. ASONAM 2014: 93-100 - [c28]Gianni Costa
, Riccardo Ortale
:
XML Document Co-clustering via Non-negative Matrix Tri-factorization. ICTAI 2014: 607-614 - [c27]Gianni Costa
, Giuseppe Manco
, Riccardo Ortale
:
A Generative Bayesian Model for Item and User Recommendation in Social Rating Networks with Trust Relationships. ECML/PKDD (1) 2014: 258-273 - 2013
- [j5]Gianni Costa
, Giuseppe Manco
, Riccardo Ortale
, Ettore Ritacco
:
Hierarchical clustering of XML documents focused on structural components. Data Knowl. Eng. 84: 26-46 (2013) - [j4]Gianni Costa
, Riccardo Ortale
:
Probabilistic analysis of communities and inner roles in networks: Bayesian generative models and approximate inference. Soc. Netw. Anal. Min. 3(4): 1015-1038 (2013) - [j3]Gianni Costa
, Riccardo Ortale
, Ettore Ritacco
:
X-Class: Associative Classification of XML Documents by Structure. ACM Trans. Inf. Syst. 31(1): 3:1-3:40 (2013) - [c26]Gianni Costa
, Riccardo Ortale
:
A Latent Semantic Approach to XML Clustering by Content and Structure Based on Non-negative Matrix Factorization. ICMLA (1) 2013: 179-184 - [c25]Gianni Costa
, Riccardo Ortale
:
Developments in Partitioning XML Documents by Content and Structure Based on Combining Multiple Clusterings. ICTAI 2013: 477-482 - 2012
- [c24]Gianni Costa
, Riccardo Ortale
:
A Bayesian Hierarchical Approach for Exploratory Analysis of Communities and Roles in Social Networks. ASONAM 2012: 194-201 - [c23]Gianni Costa
, Riccardo Ortale
:
On Effective XML Clustering by Path Commonality: An Efficient and Scalable Algorithm. ICTAI 2012: 389-396 - [c22]Gianni Costa
, Riccardo Ortale
:
Structure-oriented clustering of XML documents: A transactional approach. IEEE Conf. of Intelligent Systems 2012: 188-193 - [c21]Gianni Costa
, Giuseppe Manco
, Elio Masciari
:
Effectively Grouping Trajectory Streams. NFMCP 2012: 94-108 - 2011
- [j2]Gianni Costa
, Giuseppe Manco
, Riccardo Ortale
, Ettore Ritacco
:
From global to local and viceversa: uses of associative rule learning for classification in imprecise environments. Knowl. Inf. Syst. 33(1): 137-169 (2011) - [c20]Nicola Barbieri, Gianni Costa, Giuseppe Manco, Ettore Ritacco:
Characterizing Relationships through Co-clustering - A Probabilistic Approach. KDIR 2011: 64-73 - [c19]Nicola Barbieri, Gianni Costa
, Giuseppe Manco
, Ettore Ritacco
:
A Block Coclustering Model for Pattern Discovering in Users' Preference Data. IC3K 2011: 94-108 - [c18]Gianni Costa, Riccardo Ortale, Ettore Ritacco:
A Transactional Approach to Associative XML Classification by Content and Structure. KDIR 2011: 104-113 - [c17]Gianni Costa
, Riccardo Ortale
, Ettore Ritacco
:
Learning Effective XML Classifiers Based on Discriminatory Structures and Nested Content. IC3K 2011: 156-171 - [c16]Gianni Costa
, Riccardo Ortale
, Ettore Ritacco
:
Effective XML Classification Using Content and Structural Information via Rule Learning. ICTAI 2011: 102-109 - [c15]Nicola Barbieri, Gianni Costa
, Giuseppe Manco
, Riccardo Ortale
:
Modeling item selection and relevance for accurate recommendations: a bayesian approach. RecSys 2011: 21-28 - [p1]Gianni Costa
, Alfredo Cuzzocrea
, Giuseppe Manco
, Riccardo Ortale
:
Data De-duplication: A Review. Learning Structure and Schemas from Documents 2011: 385-412 - 2010
- [j1]Gianni Costa
, Giuseppe Manco
, Riccardo Ortale
:
An incremental clustering scheme for data de-duplication. Data Min. Knowl. Discov. 20(1): 152-187 (2010) - [c14]Gianni Costa
, Fabio Fassetti
, Massimo Guarascio
, Giuseppe Manco
, Riccardo Ortale
:
Mining models of exceptional objects through rule learning. SAC 2010: 1078-1082 - [c13]Gianni Costa, Giuseppe Manco, Riccardo Ortale, Ettore Ritacco:
Fast and Effective Hierarchical Clustering of XML Documents by Structure. SEBD 2010: 358-369
2000 – 2009
- 2009
- [c12]Gianni Costa
, Massimo Guarascio
, Giuseppe Manco
, Riccardo Ortale
, Ettore Ritacco
:
Rule Learning with Probabilistic Smoothing. DaWaK 2009: 428-440 - [c11]Gianni Costa
, Alfredo Cuzzocrea
, Giuseppe Manco
, Riccardo Ortale
:
Clustering Relational Data: A Transactional Approach. ICTAI 2009: 25-32 - [c10]Gianni Costa, Massimo Guarascio, Giuseppe Manco, Riccardo Ortale, Ettore Ritacco:
A Hierarchical Rule-based Framework for Accurate Classification in Imprecise Domains. SEBD 2009: 261-272 - 2008
- [c9]Riccardo Ortale
, Ettore Ritacco
, Nikos Pelekis, Roberto Trasarti
, Gianni Costa
, Fosca Giannotti, Giuseppe Manco
, Chiara Renso
, Yannis Theodoridis
:
The DAEDALUS framework: progressive querying and mining of movement data. GIS 2008: 52 - [c8]Gianni Costa
, Giuseppe Manco
, Riccardo Ortale
:
A hierarchical model-based approach to co-clustering high-dimensional data. SAC 2008: 886-890 - [c7]Riccardo Ortale, Ettore Ritacco, Nikos Pelekis, Roberto Trasarti, Gianni Costa, Fosca Giannotti, Giuseppe Manco, Chiara Renso, Yannis Theodoridis:
DAEDALUS: A knowledge discovery analysis framework for movement data. SEBD 2008: 191-198 - 2007
- [c6]Gianni Costa
, Francesco Folino
, Antonio Locane, Giuseppe Manco
, Riccardo Ortale
:
Data Mining for Effective Risk Analysis in a Bank Intelligence Scenario. ICDE Workshops 2007: 904-911 - [c5]Gianni Costa, Francesco Folino, Giuseppe Manco, Riccardo Ortale:
A Hierarchical Probabilistic Model for Co-Clustering High-Dimensional Data. SEBD 2007: 88-99 - 2004
- [c4]Andrei Arion, Angela Bonifati
, Gianni Costa, Sandra D'Aguanno, Ioana Manolescu, Andrea Pugliese:
Efficient Query Evaluation over Compressed XML Data. EDBT 2004: 200-218 - [c3]Gianni Costa
, Giuseppe Manco
, Riccardo Ortale
, Andrea Tagarelli:
A Tree-Based Approach to Clustering XML Documents by Structure. PKDD 2004: 137-148 - [c2]Gianni Costa, Giuseppe Manco, Riccardo Ortale, Andrea Tagarelli:
Clustering of XML Documents by Structure based on Tree Matching and Merging. SEBD 2004: 314-325 - 2003
- [c1]Andrei Arion, Angela Bonifati
, Gianni Costa, Sandra D'Aguanno, Ioana Manolescu, Andrea Pugliese:
Xquec: Pushing Queries to Compressed XML Data. VLDB 2003: 1065-1068
Coauthor Index
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