Helen D. Karatza

Helen D. Karatza publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Helen D. Karatza sits on this spectrum.

Helen D. Karatza D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Helen D. Karatza sits on this spectrum.

Research.com Recognitions

• 2009 - ACM Senior Member

Best Publications

• Performance evaluation of cloud-based log file analysis with Apache Hadoop and Apache Spark

  Ilias Mavridis;Helen Karatza

  194
  Citations

• Evaluation of gang scheduling performance and cost in a cloud computing system

  Ioannis A. Moschakis;Helen D. Karatza

  160
  Citations

• A hybrid approach to scheduling real-time IoT workflows in fog and cloud environments

  Georgios L. Stavrinides;Helen D. Karatza

  152
  Citations

• An energy-efficient, QoS-aware and cost-effective scheduling approach for real-time workflow applications in cloud computing systems utilizing DVFS and approximate computations

  Georgios L. Stavrinides;Helen D. Karatza

  143
  Citations

• Performance and energy aware cluster-level scheduling of compute-intensive jobs with unknown service times

  Stylianos Zikos;Helen D. Karatza

  96
  Citations

• Combining containers and virtual machines to enhance isolation and extend functionality on cloud computing

  Ilias Mavridis;Helen D. Karatza

  89
  Citations

• Multi-criteria scheduling of Bag-of-Tasks applications on heterogeneous interlinked clouds with simulated annealing

  Ioannis A. Moschakis;Helen D. Karatza

  88
  Citations

• A Scheduling Algorithm for a Fog Computing System with Bag-of-Tasks Jobs: Simulation and Performance Evaluation

  Dimitrios Tychalas;Helen D. Karatza

  78
  Citations

• Scheduling multiple task graphs in heterogeneous distributed real-time systems by exploiting schedule holes with bin packing techniques

  Georgios L. Stavrinides;Helen D. Karatza

  78
  Citations

• Scheduling multiple task graphs with end-to-end deadlines in distributed real-time systems utilizing imprecise computations

  Georgios L. Stavrinides;Helen D. Karatza

  69
  Citations

• Performance and cost evaluation of Gang Scheduling in a Cloud Computing system with job migrations and starvation handling

  Ioannis A. Moschakis;Helen D. Karatza

  69
  Citations

• Scheduling real-time DAGs in heterogeneous clusters by combining imprecise computations and bin packing techniques for the exploitation of schedule holes

  Georgios L. Stavrinides;Helen D. Karatza

  66
  Citations

• A Cost-Effective and QoS-Aware Approach to Scheduling Real-Time Workflow Applications in PaaS and SaaS Clouds

  Georgios L. Stavrinides;Helen D. Karatza

  56
  Citations

• Job scheduling in heterogeneous distributed systems

  Helen D Karatza

  54
  Citations

• A meta-heuristic optimization approach to the scheduling of bag-of-tasks applications on heterogeneous clouds with multi-level arrivals and critical jobs

  Ioannis A. Moschakis;Helen D. Karatza

  41
  Citations

• Multi-Criteria Job Scheduling in Grid Using an Accelerated Genetic Algorithm

  Kyriaki Z. Gkoutioudi;Helen D. Karatza

  39
  Citations

• Towards scheduling for Internet-of-Things applications on clouds: a simulated annealing approach

  Ioannis A. Moschakis;Helen D. Karatza

  38
  Citations

• Communication cost effective scheduling policies of nonclairvoyant jobs with load balancing in a grid

  Stylianos Zikos;Helen D. Karatza

  35
  Citations

• The impact of task service time variability on gang scheduling performance in a two-cluster system

  Zafeirios C. Papazachos;Helen D. Karatza

  32
  Citations

• Performance and Overhead Study of Containers Running on Top of Virtual Machines

  Ilias Mavridis;Helen Karatza

  32
  Citations