Thèse de doctorat : Università della Svizzera italiana, 2021 ; 2021INFO009.
Advances on psycho-linguistics have evidenced that the ways in which people use words could act as a reliable source to assess a wide array of behaviours. Language use acts as an indicator of the individuals’ current mental state, personality and even personal values. In this thesis, we focus on language analysis to study two closely related processes which encompass integral components of...
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Thèse de doctorat : Università della Svizzera italiana, 2021 ; 2021INFO004.
Digital library (DL) systems in the last decade have provided an unprecedented access to library content that were confined to their physical spaces. The last twenty years of the DL system renovation have witnessed several generations of online catalogs from the Online Public Access Catalogue (OPAC) late 1980s, to the next generation catalog systems (NGC). DL systems are extensively used to...
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Thèse de doctorat : Università della Svizzera italiana, 2019 ; 2019INFO014.
With the rapid development of means for producing user-generated data opportunities for collecting such data over a time-line and utilizing it for various human-aid applications are more than ever. Wearable and mobile data capture devices as well as many online data channels such as search engines are all examples of means of user data collection. Such user data could be utilized to model user...
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Thèse de doctorat : Università della Svizzera italiana, 2019 ; 2019INFO010.
Recent advances in the development of mobile devices, equipped with multiple sensors, together with the availability of millions of applications have made these devices more pervasive in our lives than ever. The availability of the diverse set of sensors, as well as high computational power, enable information retrieval (IR) systems to sense a user’s context and personalize their results ...
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Thèse de doctorat : Università della Svizzera italiana, 2018 ; 2018INFO016.
The increasing popularity of social media has changed the web from a static repository of information into a dynamic forum with continuously changing information. Social media platforms has given the capability to people expressing and sharing their thoughts and opinions on the web in a very simple way. The so-called User Generated Content is a good source of users opinion and mining it can be...
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Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO019.
In recent years short user-generated documents have been gaining popularity on the Internet and attention in the research communities. This kind of documents are generated by users of the various online services: platforms for instant messaging communication, for real-time status posting, for discussing and for writing reviews. Each of these services allows users to generate written texts...
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Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO004.
A patent is a contract between the inventor and the state, granting a limited time period to the inventor to exploit his invention. In exchange, the inventor must put a detailed description of his invention in the public domain. Patents can encourage innovation and economic growth but at the time of economic crisis patents can hamper such growth. The long duration of the application process...
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Thèse de doctorat : Università della Svizzera italiana, 2012 ; 2012INFO004.
Recent years have seen the rapid growth of social media platforms that enable people to express their thoughts and perceptions on the web and share them with other users. Many people write their opinion about products, movies, people or events on blogs, forums or review sites. The so-called User Generated Content is a good source of users’ opinion and mining it can be very useful for a...
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Thèse de doctorat : Università della Svizzera italiana, 2012 ; 2012INFO003.
User generated content are one of the main sources of information on the Web nowadays. With the huge amount of this type of data being generated everyday, having an efficient and effective retrieval system is essential. The goal of such a retrieval system is to enable users to search through this data and retrieve documents relevant to their information needs. Among the different retrieval...
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