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Article
Deep learning for topical trend discovery in online discourse about Pre-Exposure Prophylaxis (PrEP)
Pre-Exposure Prophylaxis (PrEP) interventions are increasingly prevalent on social media. These data can be mined for insights about PrEP that may not be as apparent in surveys including personal musings about...
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Article
Quantifying changes in societal optimism from online sentiment
Individuals can hold contrasting views about distinct times: for example, dread over tomorrow’s appointment and excitement about next summer’s vacation. Yet, psychological measures of optimism often assess onl...
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Article
Open AccessQuantifying collective identity online from self-defining hashtags
Mass communication over social media can drive rapid changes in our sense of collective identity. Hashtags in particular have acted as powerful social coordinators, playing a key role in organizing social move...
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Article
Open AccessAssessing rigid modes of thinking in self-declared abortion ideology: natural language processing insights from an online pilot qualitative study on abortion attitudes
Although much work has been done on US abortion ideology, less is known relative to the psychological processes that distinguish personal abortion beliefs or how those beliefs are communicated to others. As pa...
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Chapter
Beyond Risk: Individual Mental Health Trajectories from Large-Scale Social Media Data
Depression and anxiety are now the 1st and 10th leading causes of disability worldwide. However, their variegated presentation and symptoms complicate efforts to develop a better understanding of the complex f...
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Article
Individuals with depression express more distorted thinking on social media
Depression is a leading cause of disability worldwide, but is often underdiagnosed and undertreated. Cognitive behavioural therapy holds that individuals with depression exhibit distorted modes of thinking, th...
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Article
Open AccessDepression alters the circadian pattern of online activity
Human sleep/wake cycles follow a stable circadian rhythm associated with hormonal, emotional, and cognitive changes. Changes of this cycle are implicated in many mental health concerns. In fact, the bidirectio...
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Article
The minute-scale dynamics of online emotions reveal the effects of affect labeling
Putting one’s feelings into words (also called affect labeling) can attenuate positive and negative emotions. Here, we track the evolution of specific emotions for 74,487 Twitter users by analysing the emotion...
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Article
Open AccessAuthor Correction: Human Sexual Cycles are Driven by Culture and Match Collective Moods
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.
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Chapter
Network Happiness: How Online Social Interactions Relate to Our Well Being
As social animals, social interactions play a fundamental role in sha** our emotional well-being. The emergence of online social networks over the past decade has allowed us to study human social behavior at...
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Article
Open AccessHuman Sexual Cycles are Driven by Culture and Match Collective Moods
Human reproduction does not happen uniformly throughout the year and what drives human sexual cycles is a long-standing question. The literature is mixed with respect to whether biological or cultural factors ...
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Article
Open AccessThe happiness paradox: your friends are happier than you
Most individuals in social networks experience a so-called Friendship Paradox: they are less popular than their friends on average. This effect may explain recent findings that widespread social network media ...
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Article
An efficient system to fund science: from proposal review to peer-to-peer distributions
This paper presents a novel model of science funding that exploits the wisdom of the scientific crowd. Each researcher receives an equal, unconditional part of all available science funding on a yearly basis, ...
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Article
Open AccessQuantifying socio-economic indicators in develo** countries from mobile phone communication data: applications to Côte d’Ivoire
The widespread adoption of mobile devices that record the communications, social relations, and movements of billions of individuals in great detail presents unique opportunities for the study of social struct...
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Chapter and Conference Paper
Using RDF to Model the Structure and Process of Systems
Many systems can be described in terms of networks of discrete elements and their various relationships to one another. A semantic network, or multi-relational network, is a directed labeled graph consisting o...
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Article
Distributed (design) knowledge exchange
Despite the intrinsic complexity of integrating individual, social and technologically supported intelligence, the paper proposes a relatively simple ‘connectionist’ framework for conceptualizing distributed c...
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Article
Open AccessJournal status
The status of an actor in a social context is commonly defined in terms of two factors: the total number of endorsements the actor receives from other actors and the prestige of the endorsing actors. These two...
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Article
Map** the structure of science through usage
Science has traditionally been mapped on the basis of authorship and citation data. Due to publication and citation delays such data represents the structure of science as it existed in the past. We propose to...
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Chapter and Conference Paper
Evaluation of the NSDL and Google for Obtaining Pedagogical Resources
We describe an experiment that measures the pedagogical usefulness of the results returned by the National Science Digital Library (NSDL) and Google. Eleven public school teachers from the state of Virginia (U...
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Chapter and Conference Paper
Detecting Research Trends in Digital Library Readership
The research interests and preferences of the reader communities associated to any given digital library may change over the course of years. It is vital for digital library services and collection management ...
