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Università della Svizzera italiana

Automatically generating complex test cases from simple ones

Rubinov, Konstantin ; Pezzè, Mauro (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2013 ; 2013INFO007.

While source code expresses and implements design considerations for software system, test cases capture and represent the domain knowledge of software developer, her assumptions on the implicit and explicit interaction protocols in the system, and the expected behavior of different modules of the system in normal and exceptional conditions. Moreover, test cases capture information about the...

Università della Svizzera italiana

Costly institutions as substitutes : novelty and limits of the Coasian approach

Pagano, Ugo ; Vatiero, Massimiliano

One of the main contributions of Ronald H. Coase was to demonstrate how mainstream economics was based on a contradictory amalgam of costly physical inputs and free institutional resources, and to gave origin the economics of institutions: each institution is a mode of allocation and organization of economic resources that is to be investigated. In particular, none of the institutions...

Università della Svizzera italiana

The demand for school meal services by Swiss households

Filippini, Massimo ; Masiero, Giuliano ; Medici, Diego

In this paper we investigate the household demand for childcare during lunchtime at school using a stated preferences approach. Data are collected through phone-structured interviews to 905 residents with children in the German-speaking region of Switzerland during 2007. Poisson models with random and fixed effects are used to explore factors affecting the demand. Ordinal probit models are also...

Università della Svizzera italiana

Workload characterization of JVM languages

Sarimbekov, Aibek ; Binder, Walter (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO003.

Being developed with a single language in mind, namely Java, the Java Virtual Machine (JVM) nowadays is targeted by numerous programming languages. Automatic memory management, Just-In-Time (JIT) compilation, and adaptive optimizations provided by the JVM make it an attractive target for different language implementations. Even though being targeted by so many languages, the JVM has been tuned...

Università della Svizzera italiana

End-user development of mashups using live natural language programming

Aghaee, Saeed ; Pautasso, Cesare (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO002.

The emergence of the long-tail in the market of software applications is shifting the role of end-users from mere consumers to becoming developers of applications addressing their unique, personal, and transient needs. On the Web, a popular form of such applications is called mashup, built out of the lightweight composition of Web APIs (reusable software components delivered as a service...

Università della Svizzera italiana

Social support and acceptance among rheumatoid arthritis patients : “learning how to live with chronic pain”

Kostova, Zlatina ; Schulz, Peter J. (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014COM008.

Chronic pain sufferers with diseases such as Rheumatoid Arthritis (RA) are a category of patients that feels stigmatized, lacking understanding and support from the surrounding social environment (Davison et al., 2000). The invisible and unpredictable character of RA makes it very difficult to be recognized and understood by family, friends, colleagues, and so on, and patients often complain...

Università della Svizzera italiana

Confidence in technology use : the development and validation of a technological, pedagogical, and content self-efficacy scale for teachers

Fanni, Francesca ; Cantoni, Lorenzo (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014COM007.

This thesis is positioned at the intersection of education, technology, and motivation research fields, specifically in the context of K-12 teaching. The purpose of this study is to investigate the relationship between teachers’ self- efficacy and their technology use, and design and validate a self-efficacy measure to assess teachers’ beliefs about technology use in their profession. This...

Università della Svizzera italiana

Judgment skills in health literacy : Measurement and role in effective asthma patient self-management

Moreno Londoño, Ana Maria ; Schulz, Peter J. (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014COM006.

This dissertation is a collection of three empirical papers describing three interrelated studies. In addition, an introductory chapter reviews the state of the art of the health literacy field and addresses how judgment skills come into play. Moreover, a general conclusion reports the contribution of this work to the field of health literacy, and states the direction for future research ...

Università della Svizzera italiana

Social representations of community multimedia centres in Mozambique

Vannini, Sara ; Cantoni, Lorenzo (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014COM005.

UNESCO Community Multimedia Centres are a specific model of public access to Information and Communication Technologies (ICT). These venues are conceived to address the information needs of underserved and marginalised communities in emerging and developing countries. They are composed of a community radio station, which broadcasts in local languages and is managed by local people, along with...

Università della Svizzera italiana

Essays in asset pricing

Rasekhschaffe, Keywan Christian ; Barone-Adesi, Giovanni (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014ECO006.

My dissertation consists of three main chapters; I focus on empirical aspects of asset pricing. I identify anomalies in equities, relate the book-to-market anomaly and the size anomaly to cash-flow risk, and document a strong cross-sectional predictor of FX volatility returns. In the first part of my dissertation I show that Gross Yield negatively predicts returns in the cross section of...