Tuesday, September 15th, 2015


9:00 - 9:30

Registration of participants


9:30 - 9:50

Opening ceremony. Welcome speeches from:

  •  Ioan Aurel Pop, Rector, Babeș-Bolyai University
  • Răzvan Mustață, Vicedean, Faculty of Economics and Business Administration, Babeș-Bolyai University
  • Jorn Altmann – Conference chair, Seoul National University

9:50 - 11:00

Keynote speech: Dana Petcu, West University of Timișoara

“Service quality assurance in multi-clouds”


11:00 - 11:30

Coffee break


Session 1: Provider optimized resource allocation. Chair Gheorghe Cosmin Silaghi

11:30 - 12:10

Leonardo Tizzei, Marco Netto and Shu Tao: „Optimizing Multi-tenant Cloud Resource Pools via Allocation of Reusable Time Slots”

12:10 - 12:35

Ovidiu-Cristian Marcu, Cătălin Negru and Florin Pop: „Dynamic Scheduling in Real Time with Budget Constraints in Hybrid Clouds”


12:35 - 14:00



Session 2: Tools and protocols. Chair Jorn Altmann

14:00 - 14:40

Soheil Qanbari, Negar Behinaein, Rabee Rahimzadeh and Schahram Dustdar: „Diameter of Things (DoT): A Protocol for Real-time Telemetry of IoT Applications”

14:40 - 15:05

Tanwir Ahmad, Fredrik Abbors and Dragos Truscan: „Automatic Performance Space Exploration of Web Applications”


Session 3: Community networks. Chair Jose Angel Banares

15:05 - 15:30

Amin Khan, Xavier Vilaça, Luis Rodrigues and Felix Freitag: „Towards Incentive-Compatible Pricing for Bandwidth Reservation in Community Network Clouds”

15:30 - 15:55

Roger Baig, Leandro Navarro and Felix Freitag: „On the Sustainability of Community Clouds in”


15:55 - 16:30

Coffee break


Session 4: Energy conservation. Chair Felix Freitag

16:30 - 16:55

Baseem Al- Athwari and Jorn Altmann: „Utility-Based Smartphone Energy Consumption Optimization for Cloud-Based and Local-Based Application Uses”

16:55 - 17:20

Cristina Bianca Pop, Viorica Rozina Chifu, Ioan Salomie, Adrian Cozac and Marcel Antal: „Optimizing the Data Center Energy Consumption using a Particle Swarm Optimization-based Approach”

17:20 - 17:55

Richard Kavanagh, Django Armstrong, Karim Djemame, Davide Sommacampagna and Lorenzo Blasi: „Towards an Energy-Aware Cloud Architecture for Smart Grids”


20:00 - 22:00

Welcome reception, Piramida restaurant



Wednesday, September 16th, 2015


Session 5: Legal and Economic Aspects. Chair Jorn Altmann

9:00 - 9:40

Cesare Bartolini, Donia El Kateb, Yves Le Traon and David Hagen: „Cloud Providers Viability: How to Address it from an IT and Legal Perspective?”

9:40 - 10:05

Kibae Kim: „Evolution of the Global Knowledge Network: Network Analysis of Information and Communication Technologies' Patents”

10:05 - 10:45

Sebastian Floerecke and Franz Lehner: „A revised Model of the Cloud Computing Ecosystem”


10:45 - 11:15

Coffee break


Session 6: Service selection. Chair Mathias Slawik

11:15 - 11:55

Dimosthenis Kyriazis, Nikolaos Doulamis, George Kousiouris, Andreas Menychtas, Marinos Themistocleous and Vassilios Vescoukis: „Employing Relevance Feedback to embed Content and Service Importance into the Selection Process of Composite Cloud Services”

11:55 - 12:35

Mathias Slawik, Ilke Zilci, Fabian Knaack and Axel Küpper: „The Open Service Compendium: Business-pertinent Cloud Service Discovery, Assessment, and Selection


12:35 - 14:00



Session 7: User-optimized resource allocation. Chair Leonardo Tizzei

14:00 - 14:40

Dmytro Grygorenko, Soodeh Farokhi and Ivona Brandic: „Cost-Aware VM Placement across Distributed DCs using Bayesian Networks”

14:40 - 15:20

Ilia Pietri and Rizos Sakellariou: „Cost-efficient CPU Provisioning for Scientific Workflows on Clouds

15:20 - 15:55

Pedro Álvarez, Sergio Hernández, Javier Fabra and Joaquín Ezpeleta: „Cost estimation for the provisioning of computing resources to execute bag-of-tasks applications in the Amazon cloud”


15:55 - 16:30

Coffee break


Session 8: Cloud applications. Chair Ioan Petri

16:30 - 16:55

Mircea Moca, Darie Moldovan, Oleg Lodygensky and Gilles Fedak: „E-Fast & CloudPower: Towards High Performance Technical Analysis for Small Investors”

16:55 - 17:20

Oliver Norkus and Jürgen Sauer: „Towards an Architecture of BI in the Cloud”


18:30 - 20:00

Cluj-Napoca city center guided tour


20:00 - 22:00

Conference dinner: Panoramic Restaurant



Thursday, September 17th, 2015


Session 9: Smart Grid. Chair Gheorghe Cosmin Silaghi

9:00 - 9:40

Marcel Antal, Claudia Pop, Dan Valea, Cioara Tudor, Ionut Anghel and Ioan Salomie: „Optimizing Data Centres Operation to Provide Ancillary Services On-demand”

9:40 - 10:20

Alberto Merino, Rafael Tolosana-Calasanz, José Ángel Bañares and José Manuel Colom: „A Specification Language for Performance and Economical Analysis of Short Term Data Intensive Services”


10:20 - 11:00

Coffee break


11:00 - 12:00

Industry session: Florin Manaila: IBM Systems hardware division: „Cognitive computing: how next gen computing changes the way we live and work


12:00 - 13:00

GECON closing session and GECON 2016


13:00 - 14:00



14:00 - 18:00

Social event: trip to Turda Salt Mine