Risultati di ricerca
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M. Mazza, G. Cola, "The role of Twitter fraudulent accounts during the COVID-19 pandemic: a case study." The 1st International Workshop on Information Disorder: Disinformation and Coordinated Inauthentic Behavior (DISINFO’20), 2020
The use of social media, like Twitter or Facebook, as a means to gather information on disparate subjects has increased dramatically over the last few years. A growing number of users rely on such applications even to retrieve emergency updates, like...
https://phd.dii.unipi.it/pubblicazioni/item/4993-m-mazza,-g-cola,-the-role-of-twitter-fraudulent-accounts-during-the-covid-19-pandemic-a-case-study-the-1st-international-workshop-on-information-disorder-disinformation-and-coordinated-inauthentic-behavior-disinfo’20-,-2020.html -
M. Mazza, M. Avvenuti, S. Cresci, and M. Tesconi, “Investigating the difference between trolls, social bots, and humans on Twitter,” Computer Communications, vol. 196, pp. 23–36, 2022
It has become apparent that human accounts are not the sole actors in the social media scenario. The expanding role of social media in the consumption and diffusion of information has been accompanied by attempts to influence public opinion....
https://phd.dii.unipi.it/pubblicazioni/item/4992-m-mazza,-m-avvenuti,-s-cresci,-and-m-tesconi,-“investigating-the-difference-between-trolls,-social-bots,-and-humans-on-twitter,”-computer-communications,-vol-196,-pp-23–36,-2022.html -
M. Mazza, G. Cola, and M. Tesconi, “Ready-to-(ab)use: From fake account trafficking to coordinated inauthentic behavior on Twitter,” Online Social Networks and Media, vol. 31, no. 100224, p. 100224, 2022
Fake accounts are the primary means for misuse and abuse of social media platforms, giving rise to coordinated inauthentic behaviors. Despite ongoing efforts to limit their exploitation, ready-to-use fake accounts can be found for sale on several...
https://phd.dii.unipi.it/pubblicazioni/item/4991-m-mazza,-g-cola,-and-m-tesconi,-“ready-to-ab-use-from-fake-account-trafficking-to-coordinated-inauthentic-behavior-on-twitter,”-online-social-networks-and-media,-vol-31,-no-100224,-p-100224,-2022.html -
P. Zola, G. Cola, M. Mazza and M. Tesconi, "Interaction Strength Analysis to Model Retweet Cascade Graphs", Applied Sciences, vol. 10, no. 23, p. 8394, 2020
Tracking information diffusion is a non-trivial task and it has been widely studied across different domains and platforms. The advent of social media has led to even more challenges, given the higher speed of information propagation and the growing...
https://phd.dii.unipi.it/publications/item/4990-p-zola,-g-cola,-m-mazza-and-m-tesconi,-interaction-strength-analysis-to-model-retweet-cascade-graphs-,-applied-sciences,-vol-10,-no-23,-p-8394,-2020.html -
E. Giusti, A. Kumar, F. Mancuso, S. Ghio and M. Martorella, "Fully polarimetric multi-aspect 3D InISAR," 2022 23rd International Radar Symposium (IRS), 2022, pp. 184-189.
This article proposes a fully polarimetric 3D InISAR algorithm. The use of radar polarimetry is proposed in this paper to increase the performance of the 3D InISAR algorithm. Polarimetry is used both to improve the scatterer extraction algorithm and to...
https://phd.dii.unipi.it/pubblicazioni/item/4989-e-giusti,-a-kumar,-f-mancuso,-s-ghio-and-m-martorella,-fully-polarimetric-multi-aspect-3d-inisar,-2022-23rd-international-radar-symposium-irs-,-2022,-pp-184-189.html -
A. Kumar, E. Giusti, F. Mancuso and M. Martorella, "Polarimetric Interferometric ISAR Based 3-D Imaging of Non-Cooperative Target," IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, 2022, pp. 385-388.
In this work, a Polarimetric Interferometric Inverse Synthetic Aperture Radar (PolInISAR) based approach is outlined for the 3-D imaging of non-cooperative targets. The role of polarimetry is proven vital here as it allows to select the optimal...
https://phd.dii.unipi.it/pubblicazioni/item/4988-a-kumar,-e-giusti,-f-mancuso-and-m-martorella,-polarimetric-interferometric-isar-based-3-d-imaging-of-non-cooperative-target,-igarss-2022-2022-ieee-international-geoscience-and-remote-sensing-symposium,-2022,-pp-385-388.html -
F. Mancuso, E. Giusti and M. Martorella, "Polarimetric Three-Dimensional ISAR Imaging," 2022 IEEE Radar Conference (RadarConf22), 2022, pp. 1-6.
Three-dimensional (3D) ISAR imaging is an effective imaging technique which allows to overtake some interpretability issues typical of bidimensional imaging systems and to enhance the potential of Automatic Target Recognition (ATR) algorithms. 3D ISAR...
https://phd.dii.unipi.it/pubblicazioni/item/4987-f-mancuso,-e-giusti-and-m-martorella,-polarimetric-three-dimensional-isar-imaging,-2022-ieee-radar-conference-radarconf22-,-2022,-pp-1-6.html -
K. Vichos, M. De Bonis, I. Kanellos, S. Chatzopoulos, C. Atzori, N. Manola, P. Manghi, T. Vergoulis: "A preliminary assessment of the article deduplication algorithm used for the OpenAIRE Research Graph", IRCDL 2022
Content: In recent years, a large number of Scholarly Knowledge Graphs (SKGs) have been introduced in the literature. The communities behind these graphs strive to gather, clean, and integrate scholarly metadata from various sources to produce clean...
https://phd.dii.unipi.it/pubblicazioni/item/4986-k-vichos,-m-de-bonis,-i-kanellos,-s-chatzopoulos,-c-atzori,-n-manola,-p-manghi,-t-vergoulis-a-preliminary-assessment-of-the-article-deduplication-algorithm-used-for-the-openaire-research-graph-,-ircdl-2022.html -
F. Minutella, M. De Bonis, F. Falchi, P. Manghi, N. Messina: "Towards unsupervised machine learning approaches for knowledge graphs", IRCDL 2022 - 18th Italian Research Conference on Digital Libraries
Content: Nowadays, a lot of data is in the form of Knowledge Graphs aiming at representing information as a set of nodes and relationships between them. This paper proposes an efficient framework to create informative embeddings for node classification...
https://phd.dii.unipi.it/pubblicazioni/item/4985-f-minutella,-m-de-bonis,-f-falchi,-p-manghi,-n-messina-towards-unsupervised-machine-learning-approaches-for-knowledge-graphs-,-ircdl-2022-18th-italian-research-conference-on-digital-libraries.html -
M. De Bonis, P. Manghi, C. Atzori: "FDup: a framework for general-purpose and efficient entity deduplication of record collections. PeerJ Computer Science"
Content: Deduplication is a technique aiming at identifying and resolving duplicate metadata records in a collection. This article describes FDup (Flat Collections Deduper), a general-purpose software framework supporting a complete deduplication...
https://phd.dii.unipi.it/pubblicazioni/item/4984-m-de-bonis,-p-manghi,-c-atzori-fdup-a-framework-for-general-purpose-and-efficient-entity-deduplication-of-record-collections-peerj-computer-science.html -
A survey of blockchain-based IoT eHealthcare: Applications, research issues, and challenges
Blockchain (BC) technology has recently emerged as an essential component for different applications, including healthcare and IoT, because of its decentralized ledger, source provenance, and tamper-proof nature. The Internet of Things (IoT) and BC...
https://phd.dii.unipi.it/publications/item/4981-https-www-sciencedirect-com-science-article-pii-s2542660522000506.html -
COVID-19 Cases Detection from Chest X-Ray Images using CNN based Deep Learning Model
COVID-19 has recently manifested as one of the most serious life-threatening infections and is still circulating globally. COVID-19 can be contained to a considerable extent if a patient can know their COVID-19 infection at a possible earlier time, and...
https://phd.dii.unipi.it/publications/item/4980-https-www-proquest-com-docview-2681641801pq-origsite-gscholar-fromopenview-true.html -
Ferrante N., Giuffrida G., Nannipieri P., Bechini A. and Fanucci L. "Fault Detection Exploiting Artificial Intelligence in Satellite Systems" In 2nd International Conference on Applied Intelligence and Informatics, September 2022
Abstract: Mission control and fault management are fundamental in safety-critical scenarios such as space applications. To this extent, fault detection techniques are crucial to meet the desired safety and integrity level. This work proposes a fault...
https://phd.dii.unipi.it/pubblicazioni/item/4976-ferrante-n-,-giuffrida-g-,-nannipieri-p-,-bechini-a-and-fanucci-l-fault-detection-exploiting-artificial-intelligence-in-satellite-systems-in-2nd-international-conference-on-applied-intelligence-and-informatics,-september-2022.html -
G.M. Fortunato, E. Batoni, A.F. Bonatti, G. Vozzi, C. De Maria: "Surface reconstruction and tissue recognition for robotic-based in situ bioprinting", Bioprinting, vol. 26, no. 1, e00195, June 2022
In this study, an innovative approach for the surface reconstruction and mechanical evaluation of anatomical defects for robotic-based in situ bioprinting applications is presented. A touch probe was developed to be used as the end-effector of a 5...
https://phd.dii.unipi.it/publications/item/4974-g-m-fortunato,-e-batoni,-a-f-bonatti,-g-vozzi,-c-de-maria-surface-reconstruction-and-tissue-recognition-for-robotic-based-in-situ-bioprinting-,-bioprinting,-vol-26,-no-1,-e00195,-june-2022.html -
Recursive ESPRIT Algorithm for Multi-User OAM Low-Overhead AoA Estimation
Multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require precise alignment of transmitted and received OAM beams in line-of-sight (LoS) scenarios. Therefore, a crucial feature for a macro base station (MBS) is to accurately obtain...
https://phd.dii.unipi.it/publications/item/4968-recursive-esprit-algorithm-for-multi-user-oam-low-overhead-aoa-estimation.html -
Recursive ESPRIT Algorithm for Multi-User OAM Low-Overhead AoA Estimation
Multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require precise alignment of transmitted and received OAM beams in line-of-sight (LoS) scenarios. Therefore, a crucial feature for a macro base station (MBS) is to accurately obtain...
https://phd.dii.unipi.it/publications/item/4967-recursive-esprit-algorithm-for-multi-user-oam-low-overhead-aoa-estimation.html -
Recursive ESPRIT Algorithm for Multi-User OAM Low-Overhead AoA Estimation
Multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require precise alignment of transmitted and received OAM beams in line-of-sight (LoS) scenarios. Therefore, a crucial feature for a macro base station (MBS) is to accurately obtain...
https://phd.dii.unipi.it/publications/item/4966-recursive-esprit-algorithm-for-multi-user-oam-low-overhead-aoa-estimation.html -
Recursive ESPRIT Algorithm for Multi-User OAM Low-Overhead AoA Estimation
Multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require precise alignment of transmitted and received OAM beams in line-of-sight (LoS) scenarios. Therefore, a crucial feature for a macro base station (MBS) is to accurately obtain...
https://phd.dii.unipi.it/publications/item/4965-recursive-esprit-algorithm-for-multi-user-oam-low-overhead-aoa-estimation.html -
Rossi F., Fiaschi L., Cococcioni C., and Saponara S. Design and fpga synthesis of BAN processing unit for non-Archimedean number crunching. In International Conference Appl. in Electroincs Pervading Industry, 2022. to appeaR
ABSTRACT This work presents the design and synthesis of a processing unit for numbers encoded according to the recently introduced BAN format. Such an encoding allows one to represent numbers which are not only finite (as the reals) but also infinitely...
https://phd.dii.unipi.it/pubblicazioni/item/4973-rossi-f-,-fiaschi-l-,-cococcioni-c-,-and-saponara-s-design-and-fpga-synthesis-of-ban-processing-unit-for-non-archimedean-number-crunching-in-international-conference-appl-in-electroincs-pervading-industry,-2022-to-appear.html -
Lai L., Fiaschi L., Cococcioni C., and Kalyanmoy D. Pure and mixed lexicographic-paretian many-objective optimization: state of the art. Natural Computing, 1:1–16, 2022, doi:10.1007/s11047-022-09911-4.
ABSTRACT This work aims at reviewing the state of the art of the field of lexicographic multi/many-objective optimization. The discussion starts with a review of the literature, emphasizing the numerous application in the real life and the recent burst...
https://phd.dii.unipi.it/pubblicazioni/item/4972-lai-l-,-fiaschi-l-,-cococcioni-c-,-and-kalyanmoy-d-pure-and-mixed-lexicographic-paretian-many-objective-optimization-state-of-the-art-natural-computing,-1-1–16,-2022,-doi-10-1007-s11047-022-09911-4.html
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- Dario Sabella, IEEE Senior Member - ITALY, "Edge Computing technology toward 6G: applications, open-source and role of AI", 27-30 January 2025
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