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Haute école de gestion de Genève

A three-layer model of source code comprehension

Belmonte, Javier ; Dugerdil, Philippe ; Agrawal, Ashish

In: Proceeding ISEC '14 Proceedings of the 7th India Software Engineering Conference, 2014, p. 1-10

In this paper we first propose a source code comprehension model built as a hierarchy of three abstraction levels from the source code to the purpose (goal) of the program. The elements belonging to each layer have been precisely defined as well as their links to the elements in the adjacent layers. Consequently this model allows to bridge the semantic gap between the purpose of the program...

Haute école de gestion de Genève

Computation of portfolio hedging strategies using a reduced Monge-Ampère equation : proceedings of the 20th International Conference on Computing in Economics and Finance, Oslo, June 22-24, 2014

Caboussat, Alexandre

In: Proceedings of the 20th International Conference on Computing in Economics and Finance, Oslo, June 22-24, 2014, 2014, p. 1-13

Fully nonlinear partial differential equations have been used in the literature when deriving models for optimal portfolio hedging under particular market dynamics. More precisely, some models lead to finding the solution of a Monge-Ampère sented to validate the effciency and the robustness of the methods in the stationary case, and a novel computational method is proposed...

Haute école de gestion de Genève

Numerical simulation of free surface flows, with multiple liquid phases : proceedings of the 11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V) and 6th European Conference on Computational Fluid Dynamics (ECFD VI), July 20-25, 2014, Barcelona, Spain

Caboussat, Alexandre ; James, Nicolas ; Boyaval, Sébastien ; Picasso, Marco

In: Proceedings of the 11th World Congress on Computational Mechanics (WCCM XI), 5th European Conference on Computational Mechanics (ECCM V) and 6th European Conference on Computational Fluid Dynamics (ECFD VI), July 20-25, 2014, Barcelona, Spain, 2014, p. 5381--5391

We present a numerical framework for the simulation of multiphase flows with free surfaces, thus considering N incompressible liquid phases together with a vacuum. An Eulerian model is favored to track the liquid phases, based on several characteristic functions. The numerical algorithm relies on a time splitting strategy, together with a two-grid discretization method. Numerical experiments are...

Haute école de gestion de Genève

The economic performance of Swiss drinking water utilities

Faust, Anne-Kathrin ; Baranzini, Andrea

In: Journal of productivity analysis, 2014, vol. 41, no. 3, p. 383-397

This paper measures the performance in terms of costs of Swiss drinking water utilities accounting for environmental factors. We estimate a translog stochastic variable cost frontier using two different techniques on an unbalanced panel of 141 water distribution utilities over the years 2002–2009, for a total of 745 observations. Results show that exogenous factors have an impact on variable...

Haute école de gestion de Genève

Paying enough taxes already? Testing the acceptability of carbon taxes with survey data

Carattini, Stefano ; Baranzini, Andrea

In spite of economist’s claims, climate policy instruments such as carbon taxes are rarely implemented. This paper analyzes the drivers of carbon taxes acceptability in the semi-direct democratic context of Geneva, Switzerland. Based on a sample of more than 300 individuals, we assess the effect on acceptability of socioeconomic characteristics, environmental attitudes, social norms as well as...

Haute école de gestion de Genève

Die Digitalisierung des philosophischen Zettelkastens

Keller, Stefan Andreas ; Schneider, René ; Volk, Benno

In: Wissensorganisation und -repräsentation mit digitalen Technologien, 2014, p. 1-19

Haute école de gestion de Genève

Visualizing software structure understandability

Dugerdil, Philippe ; Niculescu, Mihnea

In: Software Engineering Conference (ASWEC), 2014, vol. 23, p. 110-119

Software architecture design is known to be driven by the quality attributes we may want to satisfy. Among them, modifiability plays an important role since software maintenance takes the lion's share in the software development costs. However, to successfully maintain a legacy system, the latter must be sufficiently understood so that the maintenance team will not introduce new bugs when...

Haute école de gestion de Genève

Development and tuning of an original search engine for patent libraries in medicinal chemistry

Pasche, Emilie ; Gobeill, Julien ; Kreim, Olivier ; Oezdemir-Zaech, Fatma ; Vachon, Thérèse ; Lovis, Christian ; Ruch, Patrick

In: BMC Bioinformatics, 2014, vol. 15, no. Suppl. 1, p. 1-9

Background. The large increase in the size of patent collections has led to the need of efficient search strategies. But the development of advanced text-mining applications dedicated to patents of the biomedical field remains rare, in particular to address the needs of the pharmaceutical & biotech industry, which intensively uses patent libraries for competitive intelligence and drug...

Haute école de gestion de Genève

On a many-to-one shortest paths for a taxi service

Varone, Sacha

Real application involving routing algorithms for moving vehicles needs accurate information, especially for micro mobility. In this note, we describe a reverse bounding Dijkstra algorithm using geographical maps, geographical coordinates of vehicles and pick-up point for a taxi fleet application. The problem that is solved consists in a customer request received by a taxi company, which has to...

Haute école de gestion de Genève

Improving data and knowledge management to better integrate health care and research

Cases, Montserrat ; Furlong, Laura I. ; Albanell, Joan ; Altman, Russ B. ; Bellazzi, Riccardo ; Boyer, Scott ; Brand, Angela ; Brookes, Anthony J. ; Brunak, Soren ; Clark, Timothy W. ; Gea, Joaquim ; Ghazal, Peter ; Graf, Norbert ; Guigo, Roderic ; Klein, Teri E. ; Lopez-Bigas, Nuria ; Maojo, Victor ; Mons, Barend ; Musen, Mark ; Oliveira, José L. ; Rowe, Anthony ; Ruch, Patrick ; Shabo, Amnon ; Shortliffe, Edward H. ; Valencia, Alfonso ; van der Lei, Johan ; Mayer, Miguel A. ; Sanz, Ferran

In: Journal of internal medicine, 2013, vol. 274, no. 4, p. 321-328

Medicine is an increasingly data intensive discipline, with a growing need to link individual patient health records to rapidly changing research knowledge for better differential diagnosis, prognosis, and prediction of treatment response. Equally, biomedical research will gain massively from the integrative analysis of clinical and multi-omics information. Capitalizing on these opportunities...