Although many college courses adopt online tools such as Q&A online discussions, there is no easy way to evaluate their impact on learning. In this paper, we investigate a predictive relation between characteristics of discussion contributions and student performance. For modeling dynamics of conversational dialogue, speech acts (Q&A dialog roles that participants play) and emotional features c...

Online music libraries available on the Web contain a large amount of audio content that is usually the result of digitization of analogue recordings or the direct acquisition of digital sources. The acquisition process is carried out by several persons and may last a number of years, thus it is likely that the same or similar audio content is present in different versions. This paper describes...

Nowadays, music fans are beginning to massively use mobile digital music players and dedicated software to organize and play large collections of music. In this context, users deal with huge music libraries containing thousands of tracks. Such a huge volume of music easily overwhelms users when selecting the music to listen or when organizing their collections. Music player software with visual...

This research aims to investigate whether the customers repurchase at their favorite online store after browsing several web stores and evaluating product be purchased (online behavior). The uses Smart PLS Structural Equation Model (SEM) along with descriptive analysis test a hypothesis. study involves 21905 internet users who browsed websites. Respondents were classified according various fact...

Extensive research has shown that person-centered learning aiming at students’ development on the levels of intellect, skills, and attitudes is effective in face-to-face education. More recently, advances in web-technology let us ask: Is humanistic, person-centered learning also effective along the application of modern technology? In this contribution we reflect 10 years of research at the Uni...

Online piracy of copyrighted digital music has become rampant as internet bandwidth and digital compression technologies have advanced. The music industry has suffered significant financial losses and has responded with lawsuits, though online music piracy remains prevalent. More effective approaches to fighting music piracy can be developed with the aid of an understanding of individual attitu...

This study looks at how social factors can be leveraged to dissuade online piracy in digital This study leverage persuasive computing to influence consumers' decision making process regarding their acquisition of online music and seeks to identify how different persuasive techniques can, in a pay way you want context, anchor the consumers' reference price to an amount significantly different fr...

In recent years, column stores (or C-stores for short) have emerged as a novel approach to deal with read-mostly data warehousing applications. Experimental evidence suggests that, for certain types of queries, the new features of C-stores result in orders of magnitude improvement over traditional relational engines. At the same time, some C-store proponents argue that C-stores are fundamentall...

In this study, seven factors affecting consumer perception of online store image are identified based on store image measurement of traditional stores. Enjoyment and trustworthiness are two new antecedents suggested for the online store image. A cultural dimension is also introduced to understand the possible differences of model structure and relationships between online store image perception...