1. Publicspending.gr:network analysis in public expenditure M. Vafopoulos, I. Anagnostopoulos, M. Meimaris, M. Klonaras, I. Xidias, A. Papantoniou, G. Vafeiadis, V. Loumos and G. Alexiou Multimedia Technology Laboratory, School of Electrical and Computer Engineering, National Technical University of Athens

2. (initial) scopeto provide an objective layer ofinformation that will enable citizens,journalists, business people andpoliticians to re-discover their ownstories from data. 2

3. The Cl@rity program in Greeceo A revolution in open governmento ex-ante reporting of every state decisiono paradigm shift for 40K public servants 3

4. The Cl@rity program in Greeceo manifests the value of procrastination principle (again)o strong rival to the Clientelistic stateo The new version under development (delivery: end of 2013) 4

5. PSGR: publicspending.gr2011: I believed that the Clarity programis the open data gold (& persuaded 7 morepeople) 5

6. PSGR: publicspending.gr2012: with some dust and rocks in adeep goldmine 6

7. PSGR: publicspending.gr2013: time to chisel some jewelry 7

8. Advanced Search 8

9. Linked Data 9

10. Business profiles 10

11. Spending in my area 11

12. public spending networks

13. The brokers size: Betweeness Centrality, color: Hub Ranking

14. important payees and payersthe Hellenic Telecommunication Organization the Ministry of Public Order has the highest(OTE) has the highest in-degree out-degree (red arrows=outgoing payment).(green arrows=incoming payment). 14

15. competition 15

16. public spending -> economics Prices 16

17. Going global: AUSTRALIA 17

18. Sum upo Network analysis a basic tool to analyze & visualize Linked Datao Policy modelingo Enable emerging properties 18

19. ? 19