In 2005 - 2006 Harrison curated Day-to-Day Data, a group exhibition of 'artists who collect list, database and absurdly analyse the data of everyday life'. The exhibition toured to Danielle Arnaud contemporary art in London, Aspex Gallery in Portsmouth and Angel Row Gallery in Nottingham. It was accompanied by a publication, a web-based exhibition and a Symposium which took place at the Institute of Contemporary Arts (ICA) in London on 18th March 2006.
A typical work by Ellie Harrison is Eat 22 for which she photographed everything she ate for a year. Other large scale documentational projects include Gold Card Adventures for which she calculated the total distance she travelled on London Transport in a year (9,236 kilometres) and the Daily Quantification Records for which she collected data about 14 different elements of her everyday life each day throughout 2003.
She is not to be confused with the television presenter of the same name, who is the wildlife correspondent on BBC One's The One Show.