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...

Subjectivity in natural language refers to aspects of language used to express opinions and evaluations (Banfield, 1982; Wiebe, 1994). There are numerous applications for which knowledge of subjectivity is relevant, including genre detection, information extraction, and information retrieval. This paper shows promising results for a straightforward method of identifying collocational clues of s...

The ultimate success of energy initiatives depends in large part on public acceptance. Politicians rarely pass new policies in the face of public opposition, and public policies, even when implemented, seldom succeed if citizens largely flout them. Examples include privatization and deregulation, which, while supported by many economists and policy experts, may face fierce resistance by constit...

Shared decision making is an emerging physician-patient interaction model for clinical practice [1]. Essentially, shared decision making implies that both the physician and the patient contribute to and bear responsibility for the clinical decision to be taken. It offers an alternative for the paternalis-tic model, in which it is the physician who informs the patient and proposes the decision t...

In this commentary, I review recent advances in Alport syndrome genetics, diagnostics, and therapeutics. I also offer some opinions regarding strategies to optimize the early identification of affected individuals to promote early therapeutic intervention.

We present a network influence game that models players strategically seeding the opinions of nodes embedded in a social network. A social learning dynamic, whereby nodes repeatedly update their opinions to resemble those of their neighbors, spreads the seeded opinions through the network. After a fixed period of time, the dynamic halts and each player’s utility is determined by the relative st...

2 Innovations for Poverty Action. The opinions reflected in this paper are the opinions of the authors and not opinions of their institutions.

Theorists argue that deliberation promotes enlightenment and consensus, but scholars do not know how deliberation affects policy opinions. Using the deliberative democracy and public opinion literatures as a guide, I develop a theory of opinion updating where citizens who deliberate revise their prior beliefs, particularly when they encounter consensual messages. A key aspect of this model is t...

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Consumers increasingly obtain direct consultations from experts, thanks to the prevalent use of Information Technology and the Internet. Motivated by the online consultation practices of reputed institutions such as Harvard University hospitals and the Cleveland Clinic, we develop a duopoly model and study the strategies of high-quality experts in business-to-consumer consultation markets. Expe...