Helen Christensen

According to our database, Helen Christensen authored at least 22 papers between 2006 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

Effect of Engagement With Digital Interventions on Mental Health Outcomes: A Systematic Review and Meta-Analysis.

Daniel Z. Q. Gan, Lauren McGillivray, Jin Han, Helen Christensen, Michelle Torok

Frontiers Digit. Health, 2021

2020

Using spatiotemporal distribution of geocoded Twitter data to predict US county-level health indices.

Thin Nguyen, Mark E. Larsen, Bridianne O'Dea, Hung Nguyen, Duc Thanh Nguyen, John Yearwood, Dinh Quoc Phung, Svetha Venkatesh, Helen Christensen

Future Gener. Comput. Syst., 2020

2019

Toward clinical digital phenotyping: a timely opportunity to consider purpose, quality, and safety.

Kit Huckvale, Svetha Venkatesh, Helen Christensen

npj Digit. Medicine, 2019

Geospatial suicide clusters and emergency responses: An analysis of text messages to a crisis service.

Mark E. Larsen, Michelle Torok, Kit Huckvale, Bilal Reda, Sofian Berrouiguet, Helen Christensen

Proceedings of the 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2019

2018

The relationship between linguistic expression and symptoms of depression, anxiety, and suicidal thoughts: A longitudinal study of blog content.

Bridianne O'Dea, Tjeerd W. Boonstra, Mark E. Larsen, Thin Nguyen, Svetha Venkatesh, Helen Christensen

Dataset, November, 2018

The relationship between linguistic expression and symptoms of depression, anxiety, and suicidal thoughts: A longitudinal study of blog content.

Bridianne O'Dea, Tjeerd W. Boonstra, Mark E. Larsen, Thin Nguyen, Svetha Venkatesh, Helen Christensen

CoRR, 2018

Using smartphone sensor technology for mental health research: Clear obstacles and hidden challenges.

Tjeerd W. Boonstra, Jennifer Nicholas, Quincy J. J. Wong, Frances Shaw, Samuel Townsend, Helen Christensen

CoRR, 2018

Jointly Predicting Affective and Mental Health Scores Using Deep Neural Networks of Visual Cues on the Web.

Hung Nguyen, Van Nguyen, Thin Nguyen, Mark E. Larsen, Bridianne O'Dea, Duc Thanh Nguyen, Trung Le, Dinh Q. Phung, Svetha Venkatesh, Helen Christensen

Proceedings of the Web Information Systems Engineering - WISE 2018, 2018

2017

Natural language processing in mental health applications using non-clinical texts.

Rafael A. Calvo, David N. Milne, M. Sazzad Hussain, Helen Christensen

Nat. Lang. Eng., 2017

Using linguistic and topic analysis to classify sub-groups of online depression communities.

Thin Nguyen, Bridianne O'Dea, Mark E. Larsen, Dinh Q. Phung, Svetha Venkatesh, Helen Christensen

Multim. Tools Appl., 2017

Estimation of the prevalence of adverse drug reactions from social media.

Thin Nguyen, Mark E. Larsen, Bridianne O'Dea, Dinh Q. Phung, Svetha Venkatesh, Helen Christensen

Int. J. Medical Informatics, 2017

Kernel-based features for predicting population health indices from geocoded social media data.

Thin Nguyen, Mark E. Larsen, Bridianne O'Dea, Duc Thanh Nguyen, John Yearwood, Dinh Q. Phung, Svetha Venkatesh, Helen Christensen

Decis. Support Syst., 2017

Validation of a smartphone app to map social networks of proximity.

Tjeerd W. Boonstra, Mark E. Larsen, Samuel Townsend, Helen Christensen

CoRR, 2017

Prediction of Population Health Indices from Social Media using Kernel-based Textual and Temporal Features.

Thin Nguyen, Duc Thanh Nguyen, Mark E. Larsen, Bridianne O'Dea, John Yearwood, Dinh Q. Phung, Svetha Venkatesh, Helen Christensen

Proceedings of the 26th International Conference on World Wide Web Companion, 2017

Smartphone app to investigate the relationship between social connectivity and mental health.

Tjeerd W. Boonstra, Aliza Werner-Seidler, Bridianne O'Dea, Mark E. Larsen, Helen Christensen

Proceedings of the 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2017

2015

We Feel: Mapping Emotion on Twitter.

Mark E. Larsen, Tjeerd W. Boonstra, Philip J. Batterham, Bridianne O'Dea, Cécile Paris, Helen Christensen

IEEE J. Biomed. Health Informatics, 2015

Using Bluetooth Low Energy in smartphones to map social networks.

Samuel Townsend, Mark E. Larsen, Tjeerd W. Boonstra, Helen Christensen

CoRR, 2015

Differentiating Sub-groups of Online Depression-Related Communities Using Textual Cues.

Thin Nguyen, Bridianne O'Dea, Mark E. Larsen, Dinh Q. Phung, Svetha Venkatesh, Helen Christensen

Proceedings of the Web Information Systems Engineering - WISE 2015, 2015

The use of technology in Suicide Prevention.

Mark E. Larsen, Nicholas Cummins, Tjeerd W. Boonstra, Bridianne O'Dea, Joe Tighe, Jennifer Nicholas, Fiona Shand, Julien Epps, Helen Christensen

Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

Exploring Emotions in Social Media.

Cécile Paris, Helen Christensen, Philip J. Batterham, Bridianne O'Dea

Proceedings of the IEEE Conference on Collaboration and Internet Computing, 2015

2007

Reaching Standards for Dissemination: A Case Study.

Helen Christensen, Kathleen Griffiths

Proceedings of the MEDINFO 2007 - Proceedings of the 12th World Congress on Health (Medical) Informatics, 2007

2006

Quality and relevance of domain-specific search: A case study in mental health.

Thanh Tin Tang, Nick Craswell, David Hawking, Kathleen Griffiths, Helen Christensen

Inf. Retr., 2006