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Università della Svizzera italiana

Analysis and optimization of task granularity on the Java virtual machine

Rosà, Andrea ; Binder, Walter (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2018 ; 2018INFO008.

Task granularity, i.e., the amount of work performed by parallel tasks, is a key performance attribute of parallel applications. On the one hand, fine-grained tasks (i.e., small tasks carrying out few computations) may introduce considerable parallelization overheads. On the other hand, coarse-grained tasks (i.e., large tasks performing substantial computations) may not fully utilize the...

Università della Svizzera italiana

An analysis of cost efficiency in Swiss multi-utilities

Farsi, Mehdi ; Filippini, Massino

In: Energy economics, 2009, vol. 31, no. 2, p. 306-315

This study presents an empirical analysis of the cost efficiency of a sample of Swiss multi-utilities operating in the distribution of electricity, natural gas and water. The multi-utilities that operate in different sectors are characterized by a strong unobserved heterogeneity. Therefore the measurement of their performance poses an important challenge for the regulators. The purpose of...

Università della Svizzera italiana

An analysis of efficiency and productivity in Swiss hospitals

Farsi, Mehdi ; Filippini, Massimo

This paper examines the productive efficiency of the hospital sector in Switzerland. A panel data of 214 general hospitals over the four-year period between 1998 and 2001 has been analyzed. A descriptive analysis of the data casts some light on differences across hospital types especially regarding case mix severity and length of hospitalizations. The final sample used for the cost frontier...

Università della Svizzera italiana

An analysis of how 2002 judicial reorganisation has impacted on the performance of the First Instance Courts (Preture) in Ticino

Ippoliti, Roberto ; Vatiero, Massimiliano

With data from 2001 to 2010 of the First Instance Courts of the Canton of Ticino, Switzerland, this paper examines the impact of Legge sull’istituzione della Pretura penale e della funzione di sostituto Procuratore pubblico (2002), which meant to improve Cantonal court performance by decreasing penal workload. Our results suggest that such law has posed non-positive effects on judicial...

Università della Svizzera italiana

Analysis of memory B cell responses and isolation of novel monoclonal antibodies with neutralizing breadth from HIV-1-infected individuals

Corti, Davide ; Langedijk, Johannes P. M. ; Hinz, Andreas ; Seaman, Michael S. ; Vanzetta, Fabrizia ; Fernandez-Rodriguez, Blanca M. ; Silacci, Chiara ; Pinna, Debora ; Jarrossay, David ; Balla-Jhagjhoorsingh, Sunita ; Willems, Betty ; Zekveld, Maria J. ; Dreja ; O’Sullivan, Eithne ; Pade, Corinna ; Orkin, Chloe ; Jeffs, Simon A. ; Montefiori, David C. ; David, Davis ; Weissenhorn, Winfried ; McKnight, Aine ; Heeney, Jonathan L. ; Sallusto, Federica ; Sattentau, Quentin J. ; Weiss, robin A. ; Lanzavecchia, Antonio

In: Plos one, 2010, vol. 5, no. 1, p. e8805

Background The isolation of human monoclonal antibodies (mAbs) that neutralize a broad spectrum of primary HIV-1 isolates and the characterization of the human neutralizing antibody B cell response to HIV-1 infection are important goals that are central to the design of an effective antibody-based vaccine. Methods and Findings We immortalized IgG+ memory B cells from individuals infected with...

Università della Svizzera italiana

Analyzing cultural localization in online tourism promotion

Mele, Emanuele ; Cantoni, Lorenzo (Dir.) ; Kerkhof, Peter (Codir.)

Thèse de doctorat : Università della Svizzera italiana, 2020 ; 2020COM006.

Tourism and culture are strongly intertwined. People can experience culture before, during and after their journey, both in the offline and in the online world. Arguably, the internet is among the main sources of inspiration and information retrieval for tourists, who navigate social media and websites to know more about the destination, its products and services. Following the developments in...

Università della Svizzera italiana

Analyzing cultural tourism promotion on Instagram : a cross-cultural perspective

Mele, Emanuele ; Kerkhof, Peter ; Cantoni, Lorenzo

In: Journal of travel & tourism marketing, 2021, vol. 38, no. 3, p. 326-340

A lack of cross-cultural research has been identified regarding cultural tourism promotion on social media. Using the dimensions of Collectivism-Individualism, Power Distance, and High-Context vs. Low-Context communication, we content analyze cultural value differences in Instagram posts promoting cultural tourism – published by the national tourism organizations of Chile, Portugal, USA, and...

Università della Svizzera italiana

Analyzing loss aversion and diminishing sensitivity in a freight transport stated choice experiment

Masiero, Lorenzo ; Hensher, David A.

Choice behaviour might be determined by asymmetric preferences whether the consumers are faced with gains or losses. This paper investigates loss aversion and diminishing sensitivity, and analyzes their implications on willingness to pay and willingness to accept measures in a reference pivoted choice experiment in a freight transport framework. The results suggest a significant model fit...

Università della Svizzera italiana

Analyzing system performance with probabilistic performance annotations

Rogora, Daniele ; Carzaniga, Antonio (Dir.) ; Soulé, Robert (Codir.)

Thèse de doctorat : Università della Svizzera italiana, 2020 ; 2020INFO024.

Understanding the performance of software is complicated. For several performance metrics, in addition to the algorithmic complexity, one must also consider the dynamics of running a program within different combinations of hardware and software environments. Such dynamical aspects are not visible from the code alone, and any kind of static analysis falls short. For example, in reality, the...