 | 2012 |
|---|
| 121 |       | Helen D. Karatza:
Performance of Clouds - Issues and Research Directions.
CLOSER 2012: 05 |
| 120 |  | Georgios L. Stavrinides,
Helen D. Karatza:
Scheduling real-time DAGs in heterogeneous clusters by combining imprecise computations and bin packing techniques for the exploitation of schedule holes.
Future Generation Comp. Syst. 28(7): 977-988 (2012) |
| 119 | | Zafeirios C. Papazachos,
Helen D. Karatza:
Scheduling of frequently communicating tasks.
Int. J. Communication Systems 25(2): 146-157 (2012) |
| 118 | | Kyriaki Gkoutioudi,
Helen D. Karatza:
Multi-Criteria Job Scheduling in Grid Using an Accelerated Genetic Algorithm.
J. Grid Comput. 10(2): 311-323 (2012) |
| 117 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
A tier-based asynchronous scheduling scheme for delay constrained energy efficient connectivity in asymmetrical wireless devices.
The Journal of Supercomputing 59(1): 61-82 (2012) |
| 116 | | Ioannis A. Moschakis,
Helen D. Karatza:
Evaluation of gang scheduling performance and cost in a cloud computing system.
The Journal of Supercomputing 59(2): 975-992 (2012) |
| 2011 |
|---|
| 115 | | Georgios L. Stavrinides,
Helen D. Karatza:
The Impact of Input Error on the Scheduling of Task Graphs with Imprecise Computations in Heterogeneous Distributed Real-Time Systems.
ASMTA 2011: 273-287 |
| 114 | | Fotis Loukos,
Helen D. Karatza:
SPECT: A system for Peer-to-Peer economic transactions.
ISCC 2011: 1081-1084 |
| 113 | | Ioannis A. Moschakis,
Helen D. Karatza:
Performance and cost evaluation of Gang Scheduling in a Cloud Computing system with job migrations and starvation handling.
ISCC 2011: 418-423 |
| 112 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Embedded Socio-oriented Model for End-to-End Reliable Stream Schedules by Using Collaborative Outsourcing in MP2P Systems.
Comput. J. 54(8): 1235-1247 (2011) |
| 111 | | Zafeirios C. Papazachos,
Helen D. Karatza:
Gang scheduling in multi-core clusters implementing migrations.
Future Generation Comp. Syst. 27(8): 1153-1165 (2011) |
| 110 | | Konstantinos I. Karaoglanoglou,
Helen D. Karatza:
Resource discovery in a Grid system: Directing requests to trustworthy virtual organizations based on global trust values.
Journal of Systems and Software 84(3): 465-478 (2011) |
| 109 | | Zafeirios C. Papazachos,
Helen D. Karatza:
Gang scheduling in a two-cluster system implementing migrations and periodic feedback.
Simulation 87(12): 1021-1031 (2011) |
| 108 | | Stylianos Zikos,
Helen D. Karatza:
Performance and energy aware cluster-level scheduling of compute-intensive jobs with unknown service times.
Simulation Modelling Practice and Theory 19(1): 239-250 (2011) |
| 107 | | Georgios L. Stavrinides,
Helen D. Karatza:
Scheduling multiple task graphs in heterogeneous distributed real-time systems by exploiting schedule holes with bin packing techniques.
Simulation Modelling Practice and Theory 19(1): 540-552 (2011) |
| 106 | | Fotis Loukos,
Helen D. Karatza,
Constandinos X. Mavromoustakis:
AntP2PR: An ant intelligence inspired routing scheme for Peer-to-Peer networks.
Simulation Modelling Practice and Theory 19(2): 649-661 (2011) |
| 105 | | Stylianos Zikos,
Helen D. Karatza:
A clairvoyant site allocation policy based on service demands of jobs in a computational grid.
Simulation Modelling Practice and Theory 19(6): 1465-1478 (2011) |
| 2010 |
|---|
| 104 | | Sofia K. Dimitriadou,
Helen D. Karatza:
Job Scheduling in a Distributed System Using Backfilling with Inaccurate Runtime Computations.
CISIS 2010: 329-336 |
| 103 | | Stylianos Zikos,
Helen D. Karatza:
Clairvoyant site allocation of jobs with highly variable service demands in a computational grid.
IPDPS Workshops 2010: 1-8 |
| 102 | | Stylianos Zikos,
Helen D. Karatza:
The impact of service demand variability on resource allocation strategies in a grid system.
ACM Trans. Model. Comput. Simul. 20(4): 19 (2010) |
| 101 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
A Gossip-based optimistic replication for efficient delay-sensitive streaming using an interactive middleware support system
CoRR abs/1009.4642: (2010) |
| 100 | | Sofia K. Dimitriadou,
Helen D. Karatza:
Multi-Site Allocation Policies on a Grid and Local Level.
Electr. Notes Theor. Comput. Sci. 261: 163-179 (2010) |
| 99 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
A Gossip-Based Optimistic Replication for Efficient Delay-Sensitive Streaming Using an Interactive Middleware Support System.
IEEE Systems Journal 4(2): 253-261 (2010) |
| 98 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Real-time performance evaluation of asynchronous time division traffic-aware and delay-tolerant scheme in ad hoc sensor networks.
Int. J. Communication Systems 23(2): 167-186 (2010) |
| 97 | | Georgios L. Stavrinides,
Helen D. Karatza:
Scheduling multiple task graphs with end-to-end deadlines in distributed real-time systems utilizing imprecise computations.
Journal of Systems and Software 83(6): 1004-1014 (2010) |
| 96 | | Zafeirios C. Papazachos,
Helen D. Karatza:
Performance evaluation of bag of gangs scheduling in a heterogeneous distributed system.
Journal of Systems and Software 83(8): 1346-1354 (2010) |
| 95 | | Kyriaki Gkoutioudi,
Helen D. Karatza:
Task cluster scheduling in a grid system.
Simulation Modelling Practice and Theory 18(9): 1242-1252 (2010) |
| 2009 |
|---|
| 94 | | Zafeirios C. Papazachos,
Helen D. Karatza:
Scheduling Gangs with Different Distributions in Gangs' Degree of Parallelism in a Multi-Site System.
BCI 2009: 121-126 |
| 93 | | Emmanuel Jeannot,
Ramin Yahyapour,
Daniel Grosu,
Helen D. Karatza:
Introduction.
Euro-Par 2009: 165 |
| 92 | | Konstantinos I. Karaoglanoglou,
Helen D. Karatza:
Performance evaluation of a resource discovery scheme in a Grid environment prone to resource failures.
IPDPS 2009: 1-8 |
| 91 | | Zafeirios C. Papazachos,
Helen D. Karatza:
Performance evaluation of gang scheduling in a two-cluster system with migrations.
IPDPS 2009: 1-8 |
| 90 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Enabling high throughput for delay sensitive streams using epidemic replication in clustered MP2P devices.
MobiMedia 2009 |
| 89 | | Stylianos Zikos,
Helen D. Karatza:
Communication cost effective scheduling policies of nonclairvoyant jobs with load balancing in a grid.
Journal of Systems and Software 82(12): 2103-2116 (2009) |
| 88 | | Fotis Loukos,
Helen D. Karatza:
Reputation based friend-to-friend networks.
Peer-to-Peer Networking and Applications 2(1): 13-23 (2009) |
| 87 | | Georgios L. Stavrinides,
Helen D. Karatza:
Fault-tolerant Gang Scheduling in Distributed Real-time Systems Utilizing Imprecise Computations.
Simulation 85(8): 525-536 (2009) |
| 86 | | Helen D. Karatza:
Performance of gang scheduling strategies in a parallel system.
Simulation Modelling Practice and Theory 17(2): 430-441 (2009) |
| 85 | | Zafeirios C. Papazachos,
Helen D. Karatza:
The impact of task service time variability on gang scheduling performance in a two-cluster system.
Simulation Modelling Practice and Theory 17(7): 1276-1289 (2009) |
| 2008 |
|---|
| 84 | | Stylianos Zikos,
Helen D. Karatza:
Resource Allocation Strategies in a 2-Level Hierarchical Grid System.
Annual Simulation Symposium 2008: 157-164 |
| 83 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
End-to-end layered asynchronous scheduling scheme for energy aware QoS provision in asymmetrical wireless devices.
EDOCW 2008: 96-104 |
| 82 | | Konstantinos I. Karaoglanoglou,
Helen D. Karatza:
Resource Discovery in a Grid System Based on Matchmaking-Routers.
Panhellenic Conference on Informatics 2008: 73-77 |
| 81 | | Dimitrios Filippopoulos,
Helen D. Karatza:
A two-class parallel system with general service times of the parallel class.
J. Comput. Syst. Sci. 74(6): 942-964 (2008) |
| 80 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Under storage constraints of epidemic backup node selection using HyMIS architecture for data replication in mobile peer-to-peer networks.
Journal of Systems and Software 81(1): 100-112 (2008) |
| 79 | | Helen D. Karatza:
The Impact of Critical Sporadic Jobs on Gang Scheduling Performance in Distributed Systems.
Simulation 84(2-3): 89-102 (2008) |
| 78 | | Konstantinos I. Karaoglanoglou,
Helen D. Karatza:
Resource Discovery in a dynamical grid based on Re-routing Tables.
Simulation Modelling Practice and Theory 16(6): 704-720 (2008) |
| 77 | | Wei-Tek Tsai,
Xin Sun,
Qian Huang,
Helen D. Karatza:
An ontology-based collaborative service-oriented simulation framework with Microsoft Robotics Studio®.
Simulation Modelling Practice and Theory 16(9): 1392-1414 (2008) |
| 2007 |
|---|
| 76 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Performance Measures of Stream-Oriented Power Consumption for Asymmetrical Communication in Wireless Ad-Hoc Networks.
Annual Simulation Symposium 2007: 310-317 |
| 75 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Dispersed information diffusion with level and schema-based coordination in mobile peer to peer networks.
Cluster Computing 10(1): 33-45 (2007) |
| 74 | | Dimitrios Filippopoulos,
Helen D. Karatza:
An M/M/2 parallel system model with pure space sharing among rigid jobs.
Mathematical and Computer Modelling 45(5-6): 491-530 (2007) |
| 73 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Quality of Service Measures of Mobile Ad-hoc Wireless Network using Energy Consumption Mitigation with Asynchronous Inactivity Periods.
Simulation 83(1): 107-122 (2007) |
| 72 | | Helen D. Karatza:
Preface: New Challenges in Large-Scale Computer Systems and Network Modeling and Simulation.
Simulation 83(3): 215-216 (2007) |
| 71 | | Dimitrios Filippopoulos,
Helen D. Karatza:
Dynamic non-preemptive re-allocation policies between two sites with reconfigurable servers.
Simulation Modelling Practice and Theory 15(9): 1192-1210 (2007) |
| 2006 |
|---|
| 70 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Swarm-based Active Tunable Routing for Overhead Reduction in Multiservice Networks.
Annual Simulation Symposium 2006: 294-303 |
| 69 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
On the performance analysis of recursive data replication scheme for file sharing in mobile peer-to-peer devices using the HyMIS scheme.
IPDPS 2006 |
| 68 | | Maria A. Ioannidou,
Helen D. Karatza:
Multi-site Scheduling with Multiple Job Reservations and Forecasting Methods.
ISPA 2006: 894-903 |
| 67 | | Dimitrios Filippopoulos,
Helen D. Karatza:
A two-class parallel queue with pure space sharing among rigid jobs and general service times.
VALUETOOLS 2006: 2 |
| 66 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Optimized QoS priority routing for service tunability and overhead reduction using swarm based active network scheme.
Computer Communications 29(6): 765-780 (2006) |
| 65 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
On the efficiency and performance evaluation of the bandwidth clustering scheme for adaptive and reliable resource allocation.
Journal of Systems and Software 79(8): 1064-1078 (2006) |
| 64 | | Helen D. Karatza,
Richard Fujimoto:
Guest Editorial: Recent Advances in Network Modeling and Simulation.
Simulation 82(2): 91-92 (2006) |
| 63 | | Helen D. Karatza:
Introduction to the Special Issue: On Internet and Wireless Network Performance.
Simulation 82(5): 277-278 (2006) |
| 62 | | Helen D. Karatza,
Georgios K. Theodoropoulos:
Distributed Systems Simulation.
Simulation Modelling Practice and Theory 14(6): 677-678 (2006) |
| 61 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Performance evaluation of an on demand tunable resource allocation apparatus using constrained active network.
Simulation Modelling Practice and Theory 14(6): 768-786 (2006) |
| 2005 |
|---|
| 60 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Handling Delay Sensitive Contents Using Adaptive Traffic-Based Control Method for Minimizing Energy Consumption in Wireless Devices.
Annual Simulation Symposium 2005: 295-302 |
| 59 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Bandwidth Clustering for Reliable and Prioritized Network Routing Using Split Agent-Based Method.
ICDCS Workshops 2005: 89-94 |
| 58 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Segmented File Sharing with Recursive Epidemic Placement Policy for Reliability in Mobile Peer-to-Peer Devices.
MASCOTS 2005: 371-380 |
| 57 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Epidemic Collaborative Geocast for Reliable Segmented File Sharing in Mobile Peer-to-Peer Devices.
Panhellenic Conference on Informatics 2005: 211-222 |
| 56 | | Helen D. Karatza:
Guest Editor's Introduction: Special Issue On Modeling and Simulation of Emerging Wireless and Sensor Network Technologies and Applications.
Simulation 81(6): 397-398 (2005) |
| 55 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Adaptive traffic-based control method for energy conservation in wireless devices.
Simulation Modelling Practice and Theory 13(3): 213-232 (2005) |
| 2004 |
|---|
| 54 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Adaptive Energy Conservation Model using Dynamic Caching for Wireless Devices.
Annual Simulation Symposium 2004: 257-264 |
| 53 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
Optimized Dissemination of Highly Anticipated Content over an Itinerary Based P2P Network.
Annual Simulation Symposium 2004: 265-272 |
| 52 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
An on Demand Path Marking and Capacity Reservation Method using Split Agent.
CLADE 2004: 128 |
| 51 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Agent-based throughput response in presence of node and/or link failure (on demand) for circuit switched telecommunication networks.
Computer Communications 27(3): 230-238 (2004) |
| 50 | | Helen D. Karatza:
Intelligent Software Agents' Influence on Media-Based Systems.
IEEE Distributed Systems Online 5(3): (2004) |
| 49 | | Helen D. Karatza:
A Valuable Resource of Programmers Using .NET Technology.
IEEE Distributed Systems Online 5(6): (2004) |
| 48 | | Helen D. Karatza:
An Excellent Resource for Parallel Computing.
IEEE Distributed Systems Online 5(7): (2004) |
| 47 | | Constandinos X. Mavromoustakis,
Helen D. Karatza:
Split agent-based routing in interconnected networks.
Int. J. Communication Systems 17(4): 303-320 (2004) |
| 46 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
Brute force web search for wireless devices using mobile agents.
Journal of Systems and Software 69(1-2): 195-206 (2004) |
| 45 | | Helen D. Karatza:
Computer systems.
Journal of Systems and Software 71(3): 199-200 (2004) |
| 44 | | Helen D. Karatza:
Performance modeling and analysis of computer systems and networks.
Journal of Systems and Software 73: 1-2 (2004) |
| 43 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
File distribution using a peer-to-peer network--a simulation study.
Journal of Systems and Software 73: 31-44 (2004) |
| 42 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
Itinerary-Based Segmented Dissemination on a Peer-to-Peer Network.
Simulation 80(10): 501-510 (2004) |
| 41 | | Helen D. Karatza:
Preface to Special Issue on Modeling and Simulation Applications in Cluster and Grid Computing.
Simulation 80(4-5): 179-180 (2004) |
| 40 | | Helen D. Karatza:
Modeling and simulation of distributed systems and networks.
Simulation Modelling Practice and Theory 12(3-4): 183-185 (2004) |
| 39 | | Helen D. Karatza:
Simulation study of multitasking in distributed server systems with variable workload.
Simulation Modelling Practice and Theory 12(7-8): 591-608 (2004) |
| 2003 |
|---|
| 38 | | Helen D. Karatza,
Ralph C. Hilzer Jr.:
Performance Analysis of Parallel Job Scheduling in Distributed Systems.
Annual Simulation Symposium 2003: 109-116 |
| 37 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
Dissemination Scenarios in Peer-to-Peer Networks.
Annual Simulation Symposium 2003: 309-316 |
| 36 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
Large Scale Dissemination Using a Peer-to-Peer Network.
CCGRID 2003: 421-427 |
| 35 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
Fault Tolerant Peer-to-Peer Dissemination Network.
Euro-Par 2003: 1257-1264 |
| 34 | | Helen D. Karatza:
Gang Scheduling in a Distributed System under Processor Failures and Time-Varying Gang Size.
FTDCS 2003: 330-336 |
| 33 | | Helen D. Karatza:
Scheduling in Distributed Systems.
MASCOTS Tutorials 2003: 336-356 |
| 32 | | Helen D. Karatza,
Ralph C. Hilzer Jr.:
Parallel Job Scheduling in Homogeneous Distributed Systems.
Simulation 79(5-6): 287-298 (2003) |
| 2002 |
|---|
| 31 | | Helen D. Karatza,
Ralph C. Hilzer Jr.:
Scheduling a Job Mix in a Partitionable Parallel System.
Annual Simulation Symposium 2002: 115-121 |
| 30 | | Helen D. Karatza:
Gang Scheduling Performance on a Cluster of Non-Dedicated Workstations.
Annual Simulation Symposium 2002: 235-241 |
| 29 | | Helen D. Karatza:
Scheduling Issues in a Partitionable Parallel System.
ESM 2002: 522-526 |
| 28 | | Helen D. Karatza,
Ralph C. Hilzer Jr.:
Parallel and distributed systems: load sharing in heterogeneous distributed systems.
Winter Simulation Conference 2002: 489-496 |
| 27 | | Helen D. Karatza:
Book Review: An Owner's Manual for High Performance Computing (A review of Techniques for Optimizing Applications: High Performance Computing by Rajat P. Garg and Ilya Sharapov).
IEEE Distributed Systems Online 3(10): (2002) |
| 26 | | Konstantinos G. Zerfiridis,
Helen D. Karatza:
Mobile agents as a middleware for data dissemination.
Neural Parallel & Scientific Comp. 10: 313-324 (2002) |
| 25 | | Helen D. Karatza:
Task scheduling performance in distributed systems with time varying workload.
Neural Parallel & Scientific Comp. 10: 325-338 (2002) |
| 24 | | Helen D. Karatza,
Ralph C. Hilzer Jr.:
A Simulation Study of Epoch Load Sharing in Distributed Systems.
Simulation 78(7): 461-471 (2002) |
| 2001 |
|---|
| 23 | | Helen D. Karatza,
Ralph C. Hilzer Jr.:
Epoch Load Sharing in a Network of Workstations.
Annual Simulation Symposium 2001: 36-42 |
| 22 | | Helen D. Karatza:
Job scheduling in heterogeneous distributed systems.
Journal of Systems and Software 56(3): 203-212 (2001) |
| 21 | | Helen D. Karatza:
Gang Scheduling Performance under Different Distributions of Gang Size.
Scalable Computing: Practice and Experience 4(4): (2001) |
| 20 | | Helen D. Karatza:
Modeling and Simulation Applications in Scheduling Multiprocessor Systems.
Simulation 76(1): 50 (2001) |
| 19 | | Helen D. Karatza:
Modeling and Simulation Applications in Scheduling Multiprocessor Systems.
Simulation 76(2): 123 (2001) |
| 18 | | Helen D. Karatza:
Modeling and Simulation Applications in Scheduling Multiprocessor Systems.
Simulation 76(3): 188 (2001) |
| 17 | | Helen D. Karatza:
Modeling and Simulation Applications in Scheduling Multiprocessor Systems.
Simulation 76(5): 309 (2001) |
| 16 | | Helen D. Karatza:
Modeling and Simulation Applications in Scheduling Multiprocessor Systems.
Simulation 77(5-6): 167-168 (2001) |
| 2000 |
|---|
| 15 | | Helen D. Karatza:
Scheduling Strategies for Multitasking in a Distributed System.
Annual Simulation Symposium 2000: 83-90 |
| 14 | | Helen D. Karatza:
A simulation model of backfilling and I/O scheduling in a partitionable parallel system.
Winter Simulation Conference 2000: 496-505 |
| 13 | | Helen D. Karatza:
Cache affinity and resequencing in a shared-memory multiprocessing system.
Journal of Systems and Software 51(1): 7-18 (2000) |
| 12 | | Helen D. Karatza:
Book Review : Simulation with Visual SLAM and Awesim by A. Alan B. Pritsker and Jean J. O'Reilly.
Simulation 74(6): 361 (2000) |
| 11 | | Helen D. Karatza:
Modeling and Simulation Applications in Scheduling Multiprocessor Systems.
Simulation 74(6): 366 (2000) |
| 1999 |
|---|
| 10 | | Helen D. Karatza:
A Simulation - Based Performance Analysis of Gang Scheduling in a Distributed System.
Annual Simulation Symposium 1999: 26-33 |
| 9 | | Helen D. Karatza:
A Simulation Model of Task Cluster Scheduling in Distributed Systems.
FTDCS 1999: 163-168 |
| 1998 |
|---|
| 8 | | Helen D. Karatza:
Assignment of Programs in a Distributed System with Resequencing.
Annual Simulation Symposium 1998: 34-41 |
| 7 | | Helen D. Karatza:
Task routing and resequencing in a multiprocessor system.
Journal of Systems and Software 41(3): 189-197 (1998) |
| 1997 |
|---|
| 6 | | Anthony Karageorgos,
Helen D. Karatza:
Performance Issues of Task Routing and Task Scheduling with Resequencing in Homogeneous Distributed Systems.
Annual Simulation Symposium 1997: 56-63 |
| 1996 |
|---|
| 5 | | Helen D. Karatza:
Multitasking and resequencing in a two-stage multiprocessing system.
Winter Simulation Conference 1996: 1247-1251 |
| 1995 |
|---|
| 4 | | Helen D. Karatza:
Simulation Study of Multitasking and Resequencing in a Homogeneous Distributed System.
EUROSIM 1995: 541-546 |
| 1994 |
|---|
| 3 | | Helen D. Karatza:
Simulation study of a system with two processors linked in tandem.
Journal of Systems and Software 26(3): 285-292 (1994) |
| 1987 |
|---|
| 2 | | Helen D. Karatza:
Simulation Study of Multitasking of Closed Computer System Networks.
Comput. Syst. Sci. Eng. 2(1): 42-51 (1987) |
| 1986 |
|---|
| 1 | | Helen D. Karatza:
Simulation Study of Multitasking of Open Computer System Networks.
Comput. Syst. Sci. Eng. 1(4): 193-204 (1986) |
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