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)

Reaching Standards for Dissemination: A Case Study. - Helen Christensen; Kathleen Griffiths (MedInfo, 2007)

Exploring Emotions in Social Media. - Cécile Paris; Helen Christensen; Philip J. Batterham; Bridianne O'Dea (CIC, 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 (EMBC, 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 (WISE (2), 2015)

Using Bluetooth Low Energy in smartphones to map social networks. - Samuel Townsend; Mark E. Larsen; Tjeerd W. Boonstra; Helen Christensen (CoRR, 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)

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 (EMBC, 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 (WWW (Companion Volume), 2017)

Validation of a smartphone app to map social networks of proximity. - Tjeerd W. Boonstra; Mark E. Larsen; Samuel Townsend; Helen Christensen (CoRR, 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)

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)

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)

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)

Jointly Predicting Affective and Mental Health Scores Using Deep Neural Networks of Visual Cues on the Web. - Hung Nguyen; Van Nguyen 002; Thin Nguyen; Mark E. Larsen; Bridianne O'Dea; Duc Thanh Nguyen; Trung Le 001; Dinh Q. Phung; Svetha Venkatesh; Helen Christensen (WISE (2), 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)

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)

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 (Zenodo, 2018)

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 (EMBC, 2019)

Toward clinical digital phenotyping: a timely opportunity to consider purpose, quality, and safety. - Kit Huckvale; Svetha Venkatesh; Helen Christensen (npj Digit. Medicine, 2019)

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)

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)