Perez Cabañero, Carmen; Bigne, Enrique; Ruiz Mafe, Carla; Cuenca, Antonio Carlos(Editorial Universitat Politècnica de València, 2020-05-12)
[EN] Given the importance of electronic word of mouth (eWOM), this paper analyses the content of messages generated by users related to a tourist destination and shared through Twitter. We propose three ...
Ferrati, Francesco; Muffatto, Moreno(Editorial Universitat Politècnica de València, 2020-07-02)
[EN] In order to support equity investors in their decision-making process,
researchers are exploring the potential of machine learning algorithms to
predict the financial success of startup ventures. In this context, a ...
[EN] We use computational linguistic methods and a novel dataset to measure the
sentiment component of central bank communications in 23 countries over
the 2002-2016 period. We first construct a Granger causality network ...
Pikatza, Naiara; Álvarez-Meaza, Izaskun; Río-Belver, Rosa María; Cilleruelo, Ernesto(Editorial Universitat Politècnica de València, 2020-06-30)
[EN] Companies are increasingly obliged to collaborate with each other if they want
to be innovative, and this growing transfer of knowledge takes place in a
context of Open Innovation. To study these scientific-techno ...
[EN] In recent years, social media have become ubiquitous and important for social networking and content sharing. Moreover, the content generated by these websites remains largely untapped. Some researchers proved that ...
Artola, Concha; Pérez, Javier J.(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] In this paper we focus in the period of political turmoil starting in September
2017 in Catalonia. Our research question is the following: can the Catalan
crisis be tracked by the searches done by the public on ...
[EN] This work investigates the educational divide in e-privacy skills in Europe.
We ask whether the gap exists at the level of the individuals, and
subsequently we seek to frame it in the European context by using ...
Caldas, Pedro; Romanini, Anderson Vinícius(Editorial Universitat Politècnica de València, 2020-07-10)
[EN] In this work, we seek to highlight and describe the main differences between
traditional public opinion polls (made by using methods and techniques
traditionally undertaken in the social sciences), and those ...
[EN] The aim of this work is to propose a strategy to classify texts (or parts of them) in an ordinal emotional scale to gauge a sentiment indicator in every domain. In particular, we develop a new dictionary for the Italian ...
[EN] We use unconventional, web-based user data to assess regional
entrepreneurial activity and regional variations in characteristics and culture
that drive differences in business formation. Using geographically ...
Fensel, Anna(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] Decision making is time-consuming and costly, as it requires direct intensive
involvement of the human brain. The variety of expertise of highly qualified
experts is very high, and the available experts are mostly ...
[EN] The work presented here demonstrates the potential of new generation data arising from innovative policies (based on persuasive technologies) in the transport sector. Improved understanding of the spatial distribution ...
Herrmann, Markus; Fiedler, Marc(Editorial Universitat Politècnica de València, 2020-07-10)
[EN] In Data Science practices it is commonly assumed and accepted to abstract
and slice big data architectures into functional layers, in particular a triad of
governance-, data analysis- and persistence layer. However, ...
[EN] In our paper we discuss the possibility to use Big Data on payment
instruments to improve the short-term forecast of Italian household
consumption.
The literature on forecasting has evolved rapidly in the last few ...
Mazzi, Gian Luigi(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] This paper analyses the potential usefulness of big data in official statistics starting from four key questions such as Why? When? How? and What for - should we use big data in official statistics? To derive some ...
Heroux-Vaillancourt, Mikael; Beaudry, Catherine(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] In this exploratory study, we use a web mining technique to source data in order to create innovation indicators of Canadian nanotechnology and advanced materials firms. 79 websites were extracted and analysed based ...
Moreno Pascual, Cesar; Martínez de Ibarreta Zorita, Carlos(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] Scientists usually try to find relevant and updated documents for their research. Also, they face an abundance of information. Most of the methodologies and algorithms look Backwards, so they suffer an inevitable time ...
Ladiray, Dominique; Mazzi, Gian Luigi(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] High frequency data, i.e. data observed at infra-monthly intervals, have been
used for decades by statisticians and econometricians in the financial and
industrial worlds. Weekly data were already used in the 20’s ...