Over the years I have worked with many people on a wide range of topics. The graph on the left shows me and all my co-authors. The size of the circles indicate how many papers a person has published, the lines indicate co-authorships. You can drag the nodes to get a better view. Here are some highlights:
As a post-doc I worked on text-mining the scientific literature, mostly to aid the interpretation of high-throughput gene expression experiments. Here I created my most successful tool (as measured by number of users) so far: JANE (Journal Author Name Estimator).
EU-ADR project
What started with the infamous words "I could do that very easily in Java" (referring to computing stratified incidence rates) ended up as Jerboa, a large piece of software that was the backbone of the EU-ADR project, leading to many publications around drug safety methods.
VAESCO, SOS, EMIF
After EU-ADR, more large EU projects followed where Jerboa played an important role in supporting the research across networks of databases.