This study conducted a controlled experiment to examine the impact of posters’ IP disclosure on perceptions Weibo users with different habits and information preferences explore whether such facilitates fight against disinformation or deepens cognitive biases. Results showed that location poster does influence users’ judgments authenticity consistency between long-term residence is not importan...

We study two generic versions of public goods problems: in Provision problems, the good does not exist initially and needs to be provided; Maintenance already exists maintained. In four lab online experiments (n=2,105), we document a robust asymmetry preferences perceptions incentive-equivalent these problems. find fewer conditional cooperators more free riders than Provision, difference that i...

The goal of this study was to investigate and compare user search activities of two discovery tools at an academic library. The implementation of a new discovery tool (Primo by Ex Libris) to replace an existing system (VuFind) provided a unique opportunity to collect transaction logs of both systems and examine user search behavior in an empirical test. Results from a transaction log analysis a...

Improved cook stoves (ICS) have been widely touted for their potential to deliver the triple benefits of improved household health and time savings, reduced deforestation and local environmental degradation, and reduced emissions of black carbon, a significant short-term contributor to global climate change. Yet diffusion of ICS technologies among potential users in many low-income settings, in...

Context has been recognized as an important factor in constructing personalized recommender systems. However, most contextaware recommendation techniques mainly aim at exploiting item-level contextual information for modeling users’ preferences, while few works attempt to detect more fine-grained aspect-level contextual preferences. Therefore, in this article, we propose a contextual recommenda...