visual analytics - makingn sense of big data
DESCRIPTION
My talk at the Data Visualisation Workshop by Creative Industry KTNTRANSCRIPT
Visual Analytics: Making Sense of Big Data
Dr Kai XuSenior Lecturer in Visual Analytics
Middlesex University, London
Interaction Design Centre
Visual Analytics
• Human cognition + machine computation• Data visualisation + analytics
The Sense Making Process
Data Analysis Reasoning Decision
Sense Making Model
Making Sense of Big Data
Our Research
Research Projects
DIVA: Data Intensive Visual Analytics
• EPSRC (UK Research Council) and DSTL (Defence Science and Technology Lab)
• Uncertainty in Human Terrain Analysis– Help ground troops understand local social
structure (i.e., the sense making task)• Approach– Visual Analytic– Analytic Provenance
Data Provenance
• “The sources of information, such as entities and processes, involved in producing an artefact” (W3C).
• Provenance decides the value of the ‘artefact’
• Analytic provenance: how users make sense of data
Provenance and Narrative
Video: Visualisation & Provenance
Video: Narrative Construction
