BIG DATA EUROPEPILOT SC6: CITIZEN BUDGET ON MUNICIPAL LEVEL

MICHALIS VAFOPOULOS SOFTWARE AND KNOWLEDGE ENGINEERING LABORATORYNATIONAL CENTER FOR SCIENTIFIC RESEARCH “DEMOKRITOS”

Economy (data) in new contextBDE SC6 workshop on 5.12 in Cologne

                    

Today: Web 2.5

mobile low costfallacy

not only contentCONTEXT

Data: big, open, linked Big: scale Open: access Linked: use

Economic Data: current status Big, Open, but heterogeneous &

immature

Bridging data gaps Create a common vocabulary to link data

from different sourcese.g. supplier=payee=ανάδοχος=proveedor

Build constant & automatic connections to data sources (data stream)

You: from comments to data stories

Your Data stories in brief

Orchestration Interlinking data, experts, audience & social media (Linked Data)

Sustainabilitybusiness models (e.g. freemium & app market)

YourDataStories project in action

1-click provenance

Public contracts 3.0: social + gov. data

How? The LinkedEconomy model

A common semantic model that captures an integrated view of the economic activity and is:

o Economic-theory driveno Based on existing vocabularieso Structured and open development

process (GitHub)o Easy to be consumed by any systemo Scalable and reusable 1 mai 2023

LinkedEconomy model

1 mai 2023

LinkedEconomy model analysed

1 mai 2023

BDE piltot: Idea & ObjectivesState of the Art

o Budget: the most important document of public policy

o Budget execution affects everyday liveso Citizens are more involved in city level

activitiesObjectiveCan we make budgets more useful for citizens, researchers and decision makers?

1 mai 2023

The main aspects Create an online Dashboard on

Economic Datao Harvest – heterogeneous formats o Normalise – RDF o Link & map the data – attributes & structureo Analyse the data – custom comparisons &

predictionso Visualise – online dashboardo Procide raw data – further re-use as open

data1 mai 2023www.big-data-

europe.eu

Potential users & usagesCitizens & Journalists

o Infographics & simplified analysis Decision makers (politics & business)

o Financial ratiosResearchers

o Detailed & aligned datasets in machine-readable format 1 mai 2023

Data used / produced in Pilot

Budget Data and Budget Execution Data Municipality of Athens, Greece

o Description: budget execution data in detail (account level)o Frequency: dailyo Ownership: openo Format: API

 Municipality of Thessaloniki & Kalamaria, Greeceo Description: budget execution data in detail (account level) o Frequency: dailyo Ownership: openo Format: csv, xls (files for download provided)

1 mai 2023www.big-data-europe.eu

• Additional Open Data o Description: LOD Greek Census 2011o Ownership: openo Format: RDF o E.g. population per municipality

• Size of Datao ~ 7 MB / week

From mass input to fine output

1 mai 2023

Expense code

Description Budgeted Committed

Approved

Spending

6011 Regular salaries €17,696,000

€17,696,000

€2,865,379

€1,436,983

0111

Rentals from residential real estate

€17,696 €17,696 €17,696 €17,696

0114Rentals of municipal market

€17,696 €17,696 €17,696 €17,696

0115

Rentals of the allocation of communal areas for the placement of advertising media

€17,696 €17,696 €17,696 €17,696

Revenue code

Description Budgeted Approved Spending

0621 Coverage spending of welfare benefits

€68,317,583

€11,707,243

€11,707,243

…        

Financial Ratio (2015)

City of Athens

City of Thessaloniki

City of Kalamaria

Revenues per capita

€ 643 € 825 €

338

Two H2020 projects working together on the SC6 Pilot

• Big Data Europe

• Your Data Stories

SC6 Pilot core team: Ivana Versic (Cessda), Michalis Vafopoulos (NCSR-D), Martin Kaltenböck (SWC), Jürgen Jakobitsch (SWC), Hossein Abroshan (Cessda)

SC6 Pilot Partners

Questions

Let us discuss!

1 mai 2023www.big-data-europe.eu

Contact & Links: NCSR-D, http://www.demokritos.gr/?lang=en Michalis Vafopoulos, vafopoulos.org, vafopoulos@gmail.com

https://github.com/BDE-social-pilothttps://github.com/YourDataStories

1 mai 2023www.big-data-europe.eu