System Architecture

What?

The System Architecture team is working to develop user and machine interfaces for the ‘Knowledge System’. This will facilitate a flow of information from ‘data sources’ (e.g. online publications databases such as PubMed, Mendeley, CrossRef etc) through ‘backend processes’, including the information extraction (e.g., the extraction of structured data from PDFs) and inference processes, i.e., prediction and recommendation algorithms, developed by the computer science team, through to ‘services’, which include a website allowing human users to query the system.

How?

Research papers pulled in from data sources are classified using Machine Learning classifiers according to their domain and, if relevant to behaviour change, they enter a workflow whereby the full text of publications are retrieved and sent to the Machine Learning and information extraction services developed by the computer science team. The inference algorithms developed by the computer science team will operate over an increasingly large dataset, their predictions and recommendations changing and updating in line with the new data. The data is stored in the study database ready for: a) researchers to use in systematic reviews; b) users to interact with through the HBCP web portal; or c) use in guideline creation software, such as MAGICApp, or other connected services, for example Cochrane’s information systems.

The BCIO will be a central framework for the system, aligned with other relevant ontologies – such as The National Institute for Health and Care Excellence (NICE) ‘participant characteristics ontology’ and Cochrane’s ‘PICO ontology’ - to ensure compatibility and facilitate data sharing.

The systematic review software, EPPI-Reviewer, is being modified to support the behavioural science team in manually extracting information from research papers, and to enable the BCIO to be developed and maintained.

07/03/2019

HBCP and Complex Systems - Understanding behaviour as part of a complex system Article
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01/03/2019

The Psychologist article - Transforming knowledge about human behaviour Article | Website
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01/03/2019

The Conversation article - New AI system will help us discover the most effective behaviour change strategies Article | Website
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20/11/2018

Principles for guiding the development of Artificial Intelligence - ASILOMAR Conference 2017 Website
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16/11/2018

Systematic reviewers toolbox - a community-driven web-based catalogue of tools that support the systematic review process Website | Tool
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16/11/2018

Microsoft Academic Graph - a heterogeneous graph containing scientific publication records, citation relationships, authors and fields of study Website | Tool
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16/11/2018

Microsoft Academic - a tool for searching scholarly information using machine learning, semantic inference and knowledge discovery Website | Tool
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23/07/2018

Beller et al. (Commentary, 2018) Principles of the International Collaboration for the Automation of Systematic Reviews (ICASR) Article | Website
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07/06/2018

Harnessing computer science to advance behavioural science Presentation
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05/06/2018

Thomas et al. (Research article, 2017) Living systematic reviews: 2. Combining human and machine effort Article | Website
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05/06/2018

O'Mara-Eves et al. (Research article, 2015) A systematic review of using text mining for study identification in systematic reviews Article | Website
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05/06/2018

Machine Learning Blog - Text Mining to Improve the Health of Millions of Citizens Blog | Website
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05/06/2018

EPPI Reviewer - Systematic review software Research Tool | Tool
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05/06/2018

Michie et al. (Study Protocol, 2017) The Human Behaviour-Change Project Article | Website
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Human Behaviour Change Project

Centre for Behaviour Change
University College London
1-19 Torrington Place, London, WC1E 7HB