Risultati di ricerca
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Avvenuti, Del Vigna, Cresci, Marchetti, Tesconi, "Pulling Information from Social Media in the Aftermath of Unpredictable Disasters", 2015 2nd International Conference on Information and Communication Technologies for Disaster Management (ICT-DM)
Social media have become a primary communication channel among people and are continuously overwhelmed by huge volumes of User Generated Content. This is especially true in the aftermath of unpredictable disasters, when users report facts, descriptions...
https://phd.dii.unipi.it/pubblicazioni/item/589-marco-avvenuti,-fabio-del-vigna,-stefano-cresci,-andrea-marchetti,-maurizio-tesconi,-pulling-information-from-social-media-in-the-aftermath-of-unpredictable-disasters-,-2015-2nd-international-conference-on-information-and-communication-technologies.html -
Cresci, S., Cimino, A., Dell’Orletta, F., & Tesconi, M. (2015, November). Crisis mapping during natural disasters via text analysis of social media messages. In International Conference on Web Information Systems Engineering (pp. 250-258), Springer
Recent disasters demonstrated the central role of social media during emergencies thus motivating the exploitation of such data for crisis mapping. We propose a crisis mapping system that addresses limitations of current state-of-the-art approaches by...
https://phd.dii.unipi.it/pubblicazioni/item/588-stefano-cresci,-andrea-cimino,-felice-dell-orletta,-maurizio-tesconi,-crisis-mapping-during-natural-disasters-via-text-analysis-of-social-media-messages-,-web-information-systems-engineering–wise-2015.html -
"Small Area Model-Based Estimators Using Big Data Sources" Marchetti, Giusti, Pratesi, Salvati, Giannotti, Pedreschi, Rinzivillo, Pappalardo, Gabrielli
The timely, accurate monitoring of social indicators, such as poverty or inequality, on a finegrained spatial and temporal scale is a crucial tool for understanding social phenomena and policymaking, but poses a great challenge to official statistics....
https://phd.dii.unipi.it/pubblicazioni/item/587-https-www-researchgate-net-publication-279757030_small_area_model-based_estimators_using_big_data_sources.html -
Random Delayed Spirals for Compressive Sensing Cine MRI. Proc. Intl. Soc. Mag. Reson. Med. 23 (2015) 3633.
Authors: Giuseppe Valvano , Nicola Martini , Dante Chiappino , Luigi Landini , and Maria Filomena Santarelli
https://phd.dii.unipi.it/pubblicazioni/item/586-random-delayed-spirals-for-compressive-sensing-cine-mri-proc-intl-soc-mag-reson-med-23-2015-3633.html -
Diffusion Tensor Imaging of the Human Aortic Wall: An Ex-Vivo Study. Proc. Intl. Soc. Mag. Reson. Med. 23 (2015) 3014.
Authors: Nicola Martini, Simona Celi , Daniele Della Latta , Daniele De Marchi , Giuseppe Valvano , Angelo Monteleone , Vincenzo Positano , Maria Filomena Santarelli , Sergio Berti , Marco Solinas, Luigi Landini , and Dante Chiappino
https://phd.dii.unipi.it/pubblicazioni/item/585-diffusion-tensor-imaging-of-the-human-aortic-wall-an-ex-vivo-study-proc-intl-soc-mag-reson-med-23-2015-3014.html -
Design and simulation of a dual-tuned 1H/23Na birdcage coil for MRS studies in human calf. Appl. Magn. Res., DOI: 10.1007/s00723-015-0720-1
Authors: Giulio Giovannetti , Giuseppe Valvano , Giorgio Virgili , Massimo Giannoni , Alessandra Flori , Francesca Frijia , Daniele De Marchi , Valentina Hartwig , Luigi Landini , Giovanni Donato Aquaro , Alessandro Pingitore Abstract:...
https://phd.dii.unipi.it/pubblicazioni/item/584-design-and-simulation-of-a-dual-tuned-1h-23na-birdcage-coil-for-mrs-studies-in-human-calf-appl-magn-res-,-doi-10-1007-s00723-015-0720-1.html -
Variable density randomized stack of spirals (VDR-SoS) for compressive sensing MRI. Magn Reson Med. doi: 10.1002/mrm.25847
Authors : Giuseppe Valvano, Nicola Martini , Luigi Landini and Maria Filomena Santarelli Keywords : compressive Sensing MRI; random stack of spirals; variable density spirals Abstract: Purpose To develop a 3D sampling strategy based on a stack...
https://phd.dii.unipi.it/pubblicazioni/item/583-variable-density-randomized-stack-of-spirals-vdr-sos-for-compressive-sensing-mri-magn-reson-med-doi-10-1002-mrm-25847.html -
Wearable speech enhancement system based on MEMS microphone array for disabled people
Authors: Alessandro Palla 1 , Luca Fanucci 1 , Roberto Sannino 2 , Mattia Settin 3 1: Univeristy of Pisa, Pisa, Italy 2: STMicroelectronics, Agrate Brianza, Italy 3: Polytechnic University of Milan, Milan, Italy Published in: Design & Technology of...
https://phd.dii.unipi.it/pubblicazioni/item/580-wearable-speech-enhancement-system-based-on-mems-microphone-array-for-disabled-people.html -
Design of the 15 GHz BPM test bench for the CLIC test facility to perform precise stretched-wire RF measurements
Design of the 15 GHz BPM test bench for the CLIC test facility to perform precise stretched-wire RF measurements Silvia Zorzetti 1,2 , Luca Fanucci 2 , Natalia Galindo Muñoz 1 and Manfred Wendt 1 1 CERN, 1217 Meyrin, Geneva, Switzerland 2...
https://phd.dii.unipi.it/pubblicazioni/item/576-silvia-zorzetti-et-al-2015-meas-sci-technol-26-094005-doi-10-1088-0957-0233-26-9-094005-received-12-january-2015,-accepted-for-publication-10-june-2015-published-29-july-2015-©-2015-iop-publishing-ltd.html -
Fabio Valsecchi, Clara Bacciu, Matteo Abrate, Maurizio Tesconi, Andrea Marchetti, "DBpedia Atlas: Mapping the Uncharted Lands of Linked Data"
Abstract: In the last few years, Linked Open Data sources have extremely increased in number. Despite their enormous potential, it is really hard to find effective and efficient ways for navigating and exploring them, mainly because of complexity and...
https://phd.dii.unipi.it/pubblicazioni/item/481-dbpedia-atlas-mapping-the-uncharted-lands-of-linked-data.html -
Clara Bacciu, Fabio Valsecchi, Matteo Abrate, Maurizio Tesconi, Andrea Marchetti, "ASIA - An Investigation Platform for Exploiting Open Source Information in the Fight against Tax Evasion"
Abstract: Tax evasion is a widespread phenomenon confirmed by numerous European and American reports. To contrast it, governments already adopt software solutions that support tax inspectors in their investigations. However, the currently existing...
https://phd.dii.unipi.it/pubblicazioni/item/480-asia-an-investigation-platform-for-exploiting-open-source-information-in-the-fight-against-tax-evasion.html -
Barsocchi P., Cimino M.G.C.A., Ferro E., Lazzeri A., Palumbo F., Vaglini G. , "Monitoring elderly behavior via indoor position-based stigmergy ", Pervasive and Mobile Computing, in stampa
Abstract: In this paper we present a novel approach for monitoring elderly people living alone and independently in their own homes. The proposed system is able to detect behavioral deviations of the routine indoor activities on the basis of a generic...
https://phd.dii.unipi.it/pubblicazioni/item/443-barsocchi-p-,-cimino-m-g-c-a-,-ferro-e-,-lazzeri-a-,-palumbo-f-,-vaglini-g-,-monitoring-elderly-behavior-via-indoor-position-based-stigmergy-,-pervasive-and-mobile-computing,-in-stampa.html -
Cimino M.G.C.A., Lazzeri A., Vaglini G., Improving the analysis of context-aware information via marker-based stigmergy and differential evolution
Abstract: We use the marker-based stigmergy, a mechanism that mediates animal-animal interactions, to perform context-aware information aggregation. In contrast with conventional knowledge-based models of aggregation, our model is data-driven and based...
https://phd.dii.unipi.it/pubblicazioni/item/442-cimino-m-g-c-a-,-lazzeri-a-,-vaglini-g-,-improving-the-analysis-of-context-aware-information-via-marker-based-stigmergy-and-differential-evolution.html -
G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, "Practical large-scale coordinated scheduling in LTE-Advanced networks", Springer Wireless Networks, January 2016, vol. 22, n. 1, pp. 11-31, DOI: 10.1007/s11276-015-0948-6 (accepted March 2015)
In LTE-Advanced, the same spectrum can be re-used in neighboring cells, hence coordinated scheduling is employed to improve the overall network performance (cell throughput, fairness, and energy efficiency) by reducing inter-cell interference. In this...
https://phd.dii.unipi.it/pubblicazioni/item/428-g-nardini,-g-stea,-a-virdis,-d-sabella,-m-caretti,-practical-large-scale-coordinated-scheduling-in-lte-advanced-networks-,-springer-wireless-networks,-to-appear.html -
Cresci, S., Tesconi, M., Cimino, A., & Dell'Orletta, F. (2015, May). A linguistically-driven approach to cross-event damage assessment of natural disasters from social media messages. In Proceedings of the 24th WWW, ACM
This work focuses on the analysis of Italian social media messages for disaster management and aims at the detection of messages carrying critical information for the damage assessment task. A main novelty of this study consists in the focus on...
https://phd.dii.unipi.it/pubblicazioni/item/398-http-www-iit-cnr-it-sites-default-files-cresci,-202015,-20a-20linguistically-driven-20approach-20to-20cross-event-20damage-20assessment-20of-20natural-20disasters-20from-20social-20media-20messages-pdf.html -
Cimino, A., Cresci, S., Dell’Orletta, F., & Tesconi, M. (2014). Linguistically-motivated and lexicon features for sentiment analysis of italian tweets. 4th evaluation campaign of Natural Language Processing and Speech tools for Italian (EVALITA 2014)
In this paper we describe our approach to EVALITA 2014 SENTIment POLarity Classification (SENTIPOLC) task. We participated only in the Polarity Classification subtask. By resorting to a wide set of general–purpose features qualifying the lexical and...
https://phd.dii.unipi.it/pubblicazioni/item/314-10-12871-clicit2014214.html -
P. Manghi, M. Artini, C. Atzori, A. Bardi, A. Mannocci, S. La Bruzzo, L. Candela, D. Castelli, P. Pagano: “The D-NET Software Toolkit: A Framework for the Realization, Maintenance, and Operation of Aggregative Infrastructures”, Program vol. 48 (4), e
Abstract - In the last decade, as a consequence of the multidisciplinary and data-driven character of modern science, researchers grew a strong demand for collecting, integrating and combining information objects from multiple research-oriented data...
https://phd.dii.unipi.it/pubblicazioni/item/273-p-manghi,-m-artini,-c-atzori,-a-bardi,-a-mannocci,-s-la-bruzzo,-l-candela,-d-castelli,-p-pagano-“the-d-net-software-toolkit-a-framework-for-the-realization,-maintenance,-and-operation-of-aggregative-infrastructures”,-program-vol-48-4-,-e.html -
A. Mannocci, V. Casarosa, P. Manghi, F. Zoppi: " The Europeana network of Ancient Greek and Latin Epigraphy Data Infrastructure", accepted in 8th Metadata and Semantics Research Conference (MTSR), November 2014
Epigraphic archives, containing collections of editions about ancient Greek and Latin inscriptions, have been created in several European countries during the last couple of centuries. Today, the project EAGLE (Europeana network of Ancient Greek and...
https://phd.dii.unipi.it/pubblicazioni/item/272-a-mannocci,-v-casarosa,-p-manghi,-f-zoppi-the-europeana-network-of-ancient-greek-and-latin-epigraphy-data-infrastructure-,-accepted-in-8th-metadata-and-semantics-research-conference-mtsr-,-november-2014.html -
V. Casarosa, P. Manghi, A. Mannocci, E. R. Ruiz, F. Zoppi: "A Conceptual Model for Inscriptions: Harmonizing Digital Epigraphy Data Sources", 1st EAGLE International Conference, Sep 2014
The TEI/EpiDoc encoding is considered the de facto standard in digital epigraphy as it enables a holistic digital description of an inscription and the semantic mark-up of its text, all of this in a flexible, machine-readable and exchangeable format. At...
https://phd.dii.unipi.it/pubblicazioni/item/271-v-casarosa,-p-manghi,-a-mannocci,-e-r-ruiz,-f-zoppi-a-conceptual-model-for-inscriptions-harmonizing-digital-epigraphy-data-sources-,-1st-eagle-international-conference,-sep-2014.html -
J. Van Hecke, P. Del Fiorentino, R. Andreotti, V. Lottici, F. Giannetti, M. Moeneclaey: "Resource Allocation for Multicarrier Cooperative Cognitive Radio Networks with Imperfect Channel State Information", PIMRC 2014, Washington, USA.
In this paper we consider a decode-and-forward cooperative network, which is active in the same bandwidth as a primary user network. The cooperative or secondary user network applies a dynamic resource allocation algorithm to maximize its own...
https://phd.dii.unipi.it/pubblicazioni/item/264-j-van-hecke,-p-del-fiorentino,-r-andreotti,-v-lottici,-f-giannetti,-m-moeneclaey-resource-allocation-for-multicarrier-cooperative-cognitive-radio-networks-with-imperfect-channel-state-information-,-pimrc-2014,-washington,-usa.html
News
- Creazione di un sito web personale
- Dr. Chiara Magliaro, Research Center "E. Piaggio" – University of Pisa, "A practical guide to advanced computer aided modelling for information engineers", 6,7,9,10 December 2021
- Prof. Leigh Canham, University of Birmingham, UK, “NANOPOROUS SILICON AND ITS APPLICATIONS”, 13-17 December 2021
- La app CapisciAMe in finale al contest MaketoCare 2020 - È stata sviluppata da Davide Mulfari durante i tre anni di dottorato in Ingegneria dell’Informazione all’Università di Pisa
- Studentesse e studenti Unipi protagonisti alla Huawei Italy University Challenge 2020 - L'iniziativa ha coinvolto studenti universitari appassionati di tecnologia, ricerca e innovazione
