![](https://media.springernature.com/w90/springer-static/cover/journal/10791/20/3.jpg?as=webp)
Volume 20, Issue 3
June 2017Special Issue: Information Retrieval Efficiency
- Issue Editors:
-
- David Hawking,
- Alistair Moffat,
- Andrew Trotman
6 articles in this issue