3,206 research outputs found
Portraits of Leonardo da Vinci
No full textUsing an iterative method, applied to image processing, a portrait of a young man, probably a self-portrait of Leonardo da Vinci, is restored. Merging this portrait with the self-portrait in red chalk, we can have the features of a middle-aged Leonardo. This digital portrait can be compared with the image of Plato, depicted by Raphael in the Scuola di Atene, generally considered as a portrait of Leonardo. The iterative method used for the image processing had been developed by the author on previous iterative calculations used to solve the Boltzmann equatio
Introduzione. «Arti di pinna»: Leonardo Sciascia Saggista
No full textThe article presents the main theme of the XIV Sciascia Colloquium - the essay form explored by Leonardo Sciascia in his works - discussing each contribution and the focus each author chose to develop for this volume publication
Dutch space; interview with Arnaud de Jong, CEO
No full textDutch Space, the largest space company in the Netherlands and part of Airbus Defence and Space, appointed a new CEO last year. The Leonardo Times sat down with the CEO Arnaud de Jong for an interview. We discuss his career, developments in Dutch Space, his take on competition in the commercial space domain and his future outlook on European and International space markets.Aerospace Engineerin
Airborne aerospace; interview with business development manager space
No full textAirborne Composites designs and manufactures composite parts for the Aerospace, Oil & Gas, Marine and other industries since 1995. They are involved in notable hightech projects, from the Galileo Satellites, to the Gulfstream aircraft for Fokker and the ALMA astronomical telescope. The Leonardo Times sat down to talk to Sandor Woldendorp, Business Development Manager, Space division at Airborne to get an insight in the question: ‘’How do they do it?’’.Aerospace Engineerin
Crisis of Parties and Change of Party System in Italy
No full textLeonardo Morlino. Is there a crisis of democracy in Southern Europe? 30 cm. This paper is based partly on a seminar entitled Is there a crisis of democracy in Southern Europe?" presented at the Center on November 16, 1995" - T.p. Includes bibliographical references (p. 30-32
Reproducible framework of Point-of-Interest recommendation systems on Docker
No full textThis dataset provides all data and code required to reproduce the results achieved in the article "WERNECK, H. et al. Points of Interest recommendations: Methods, evaluation, and future directions. Information Systems".
This dataset contains a Docker image (poi-rss.tar.gz) which allows the reproduction of [2]. The benchmark has several databases extracted from Yelp Dataset Challenge, evaluation metrics and recommendation systems. It also has the data extracted from a systematic literature review and distinct ways to visualize the data.
The datasets used in the benchmark (benchmark-datasets.zip) and its raw and processed output files (benchmark-results.zip), in turn, are provided separately.
The code is all under Creative Commons Attribution 4.0 International License and the datasets are under Yelp terms of use, as described detailed in the PDF (Dataset_Challenge_Dataset_Agreement.pdf).
Detailed instructions for this dataset are described in the article [1], which is under review for the time being.
References:
[1] Heitor Werneck, Nícollas Silva, Matheus Carvalho, Adriano C M Pereira, Fernando Mourão, and Leonardo Rocha. A Reproducible POI Recommendation Framework: Works Mapping and Benchmark Evaluation. 15.
[2] Heitor Werneck, Nícollas Silva, Matheus Viana, Adriano C.M. Pereira, Fernando Mourão, and Leonardo Rocha. 2021. Points of Interest recommendations: Methods, evaluation, and future directions. Information Systems 101, (2021), 101789. DOI:https://doi.org/10/gmmq7
Citizen of space: Living in orbit
No full textAn interpretation of the inspiring symposium organised by de VSV 'Leonardo da Vinci'Aerospace Engineerin
Why (and how) to regulate Power Exchanges in the EU market integration context?
No full textPower Exchanges (PXs) are key market institutions in open and market-based electricity industries. This paper aims at contributing to the ongoing debate on why and how to regulate Power Exchanges in the EU market integration context. . The paper starts by stating that two different types of PXs have to be distinguished, i.e. "Merchant" PXs and the "Cost of Service Regulated" PXs. The paper continues by comparing the typical incentives of these two types of PXs to perform the basic PX tasks in an isolated national market and in a market integration context. The paper concludes by deriving from this analytical frame the most relevant regulatory actions..Regulation, Exchanges, Grid access, Power Markets.
La Roma di Mussolini: una costruzione del cinema
No full textThe paper offer to the readers the treatment and the text the author prepared to realize the documentary film, La Roma di Mussolini, produced in 2003 by the Istituto Luce. It opens with a discussion of fascist newsreels and their relationship with the public. Then in an examination of the entire production of the period, the author propose the thesis that fascist newsreels on the items of modernization of city have had in Italy a similar rule than in the rest of Europe: the building of a new social and urban culture.
(v. anche La Roma di Mussolini, soggetto e testi di Leonardo Ciacci, a cura di Leonardo Tiberi, DVD durata 76 minuti con sottotitoli in italiano e inglese, produzione Istituto Luce, Roma, 2003
Recensione dell'articolo: (Miyazawa, Masakiyo - " Light tail asymptotics in multidimensional reflecting processes for queueing network " - TOP 19 (2011), no.2, 233–299.)
No full textIn this paper the author studies the stationary distribution of a class of discrete time reflecting processes which are defined on a multidimensional nonnegative space. The focus is on studying performance evaluation of queuing network models subject to specific conditions such as the so-called heavy traffic condition. In this context the author also offers a wide overview that describes the current approaches. Leonardo Pasin
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