I got to this papers by following the references from another paper, they were interesting but not as much as I was expecting:
This was on my queue:
A good one, I found it quite hard to find good overviews about datalog before this one.
Finished reading the book (or collection of 19 papers), really good chapters/papers in it: Your Wish is My Command: Giving Users the Power to Instruct their Software
Papers this not so long span of time: 5 (count books as 1)
Papers+Books so far: 59