1. The case of Publicspending.gr: Greek public spending in a nutshell M. VafopoulosM. Vafopoulos, M. Meimaris, A. Papantoniou, I. Anagnostopoulos,I. Anagnostopoulos G. Alexiou, I. Avraam, I. Xidias, G. Vafeiadis and V. Loumos National Technical University of Athens USING OPEN DATA: policy modeling, citizen empowerment, data journalism, Brussels, 19,20/6/12

2. Apps, Apps, Apps….. 2

3. WHERE MY MONEY GOES in Greece publicspending.gr the first LOD App in Greece daily updates open spending linked data, endpoint & visualizations 3

4. WHERE MY MONEY GOES in Greece publicspending.gr Input 1.“Diavgeia” (all public spending decisions online daily ) ΕΧ-ΑΝΤΕ, API, average data quality, rich information Payer, payee (amount, VAT number, name) CPA 2008: Classification of products by Activity CPV 2008: Common Procurement Vocabulary Original decision text in pdf 2. TAXIS (official Tax Information System) VAT number validation and profile request 4

5. Just numbers… Spending decisions: 1.521.556 Spending amount: ~ 27 billion euros RDF Triples: 42.252.565 Payers: 31.115 Payees: 374.729 Active CPV categories: 6.323 / 9.454 Active CPA categories: 1.642/(~10.000) 5

6. Website live 6

7. Classification of products by Activity PAYERS 7

8. Classification of products by Activity PAYEES 8

9. Query for top CPV Code 45000000-7 “Construction Works” and its substituent cpv codes 9

10. WHERE MY MONEY GOES local spending in EU level demo ① Litchfield district – NUTS LAU1 region – population ≈100k ② Find places with similar characteristics in Greece (Dbpedia) 10

11. Dbpedia query http://dbpedia.org/sparql http://dbpedia.org/sparql 11 select * where { ?mun dbpprop:popMunicipality ?a. FILTER(?a>90000 && ?a <120000)}

12. Comparative statistics 12

13. public spending SPARQL Query about Kalithea in publicspending.gr and in the Litchfield endpoint not compatible product/service classifications (ontology alignment needed) Litchfield decisions: >500 £ Kalithea decisions: no limitations 13

14. public spending: results 14

15. public spending: comparisons Litchfield repair expenses = 0.44% Kalithea repair expenses = 0.54% Can you think of others? 15

16. WHERE MY MONEY GOES interlinking business in global scale building a Greek business repository (ongoing) examining global interconnections (e.g. Open Corporates, CPA->NAICS) 16

17. some last thoughts o first App on the Greek LOD o try to initiate the virtuous cycle of creation o co-operations & interconnections are in the top of our agenda o get people to be involved 17

18. ? 18

19. appendix 19

20. Checklist ① Ontology – enriching with core vocub. ② Basic visualizations ③ SPARQL endpoint - thedatahub ④ Interconnections – Product classifications – Open Corporates – Greek LOD (e-proc, geodata, dbpedia) – EU and US (CPV -> NAICS ) ⑤ Demos & services ⑥ Public awareness - working with the media, hackathons, courses, theses 20

21. Counting spending decisions 21

22. 22 publicspending.gr architecture

23. Ontology o build on the approach of the UK payment ontology and Core Bus. Voc. o CPV, CPA o WESO PSC ontology, OC, data cube, Organization ontology, … 23

24. 24 publicspending.gr ontology