Dipl.-Ing. Dr., BSc, BSc
Cloud&DevOps Engineer,
Researcher, Entrepreneur
 
Publications

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2017
[55]Scott Boag, Parijat Dube, Benjamin Herta, Waldemar Hummer, Vatche Ishakian, Jayaram K. R., Michael Kalantar, Vinod Muthusamy, Priya Nagpurkar, Florian Rosenberg. Scalable Multi-Framework Multi-Tenant Lifecycle Management of Deep Learning Training Jobs, In Workshop on ML Systems at NIPS'17, 2017. [bibtex] [pdf]
[54]Thomas Rausch, Waldemar Hummer, Philipp Leitner, Stefan Schulte. An Empirical Analysis of Build Failures in the Continuous Integration Workflows of Java-Based Open-Source Software, In 14th International Conference on Mining Software Repositories (MSR'17), 2017. [bibtex] [pdf]
2016
[53]Oliver Hanappi, Waldemar Hummer, Schahram Dustdar. Asserting Reliable Convergence for Configuration Management Scripts, In ACM SIGPLAN Conference on Object-Oriented Programming Systems, Languages, and Applications (OOPSLA'16), 2016. (OOPSLA Distinguished Paper Award) [bibtex] [pdf]
2015
[52]Rostyslav Zabolotnyi, Philipp Leitner, Waldemar Hummer, Schahram Dustdar. JCloudScale: Closing the Gap Between IaaS and PaaS, In ACM Transactions on Internet Technology (TOIT), 2015. [bibtex]
[51]Johannes M. Schleicher, Michael Vögler, Christian Inzinger, Waldemar Hummer, Schahram Dustdar. Nomads - Enabling Distributed Analytical Service Environments for the Smart City domain, In 22nd IEEE International Conference on Web Services, IEEE, 2015. [bibtex]
[50]Waldemar Hummer, Stefan Schulte. Context-Aware Personalization for Smart Mobile Cloud Services, In 2nd Workshop on Intelligent Service Clouds @ ICSOC'15, 2015. [bibtex] [pdf]
2014
[49]Tamar Eilam, Waldemar Hummer, Fabio Oliveira, Florian Rosenberg. Testing Functional Correctness and Idempotence of Software Automation Scripts (System Claim), 2014. [bibtex] [pdf]
[48]Tamar Eilam, Waldemar Hummer, Fabio Oliveira, Florian Rosenberg. Testing Functional Correctness and Idempotence of Software Automation Scripts (Method Claim), 2014. [bibtex] [pdf]
[47]Hong-Linh Truong, Schahram Dustdar, Georgiana Copil, Alessio Gambi, Waldemar Hummer, Duc-Hung Le, Daniel Moldovan. CoMoT - A Platform-as-a-Service for Elasticity in the Cloud, In IEEE International Workshop on the Future of PaaS, 2014. [bibtex] [pdf]
[46]Christian Inzinger, Waldemar Hummer, Benjamin Satzger, Philipp Leitner, Schahram Dustdar. Generic Event-Based Monitoring and Adaptation Methodology for Heterogeneous Distributed Systems, In Software: Practice and Experience, 2014. [bibtex] [pdf]
[45]Waldemar Hummer, Stefan Schulte, Philipp Hoenisch, Schahram Dustdar. Context-Aware Data Prefetching in Mobile Service Environments, In 4th IEEE International Conference on Big Data and Cloud Computing (BDCloud2014), 2014. [bibtex] [pdf]
[44]Waldemar Hummer. Reliable Provisioning of Data-Centric and Event-Based Applications in the Cloud, PhD thesis, Vienna University of Technology, 2014. [bibtex] [pdf]
[43]Patrick Gaubatz, Waldemar Hummer, Uwe Zdun, Mark Strembeck. Enforcing Entailment Constraints in Offline Editing Scenarios for Real-time Collaborative Web Documents, In 29th ACM Symposium On Applied Computing (SAC), 2014. [bibtex]
2013
[42]Franz Wotawa, Marco Schulz, Ingo Pill, Seema Jehan, Philipp Leitner, Waldemar Hummer, Stefan Schulte, Philipp Hoenisch, Schahram Dustdar. Fifty Shades of Grey in SOA Testing, In Workshop on Advances in Model Based Testing @ ICST'13, 2013. [bibtex] [pdf]
[41]Benjamin Satzger, Waldemar Hummer, Christian Inzinger, Philipp Leitner, Schahram Dustdar. Winds of Change: From Vendor Lock-In to the Meta Cloud, In IEEE Internet Computing, 2013. [bibtex]
[40]Philipp Leitner, Johannes Ferner, Waldemar Hummer, Schahram Dustdar. Data-Driven and Automated Prediction of Service Level Agreement Violations in Service Compositions, In Distributed and Parallel Databases, volume 31, 2013. [bibtex]
[39]Christian Inzinger, Waldemar Hummer, Ioanna Lytra, Philipp Leitner, Huy Tran, Uwe Zdun, Schahram Dustdar. Decisions, Models, and Monitoring - A Lifecycle Model for the Evolution of Service-Based Systems, In 17th IEEE International EDOC Conference, 2013. [bibtex] [pdf]
[38]Christian Inzinger, Benjamin Satzger, Philipp Leitner, Waldemar Hummer, Schahram Dustdar. Model-based Adaptation of Cloud Computing Applications, In International Conference on Model-Driven Engineering and Software Development (MODELSWARD), Special Track on Model-driven Software Adaptation (MODA), 2013. [bibtex]
[37]Christian Inzinger, Waldemar Hummer, Benjamin Satzger, Philipp Leitner, Schahram Dustdar. Identifying Incompatible Service Implementations using Pooled Decision Trees, In 28th ACM Symposium on Applied Computing (SAC'13), DADS Track, 2013. [bibtex] [pdf]
[36]Waldemar Hummer, Patrick Gaubatz, Mark Strembeck, Uwe Zdun, Schahram Dustdar. Enforcement of Entailment Constraints in Distributed Service-Based Business Processes, In Information and Software Technology, 2013. [bibtex] [pdf]
[35]Waldemar Hummer, Florian Rosenberg, Fabio Oliveira, Tamar Eilam. Automated Testing of Chef Automation Scripts, In ACM/IFIP/USENIX Middleware Conference (demo track), 2013. [bibtex] [pdf]
[34]Waldemar Hummer, Florian Rosenberg, Fabio Oliveira, Tamar Eilam. Testing Idempotence for Infrastructure as Code, In ACM/IFIP/USENIX Middleware Conference, 2013. (Best Student Paper Award) [bibtex] [pdf]
[33]Waldemar Hummer, Benjamin Satzger, Schahram Dustdar. Elastic Stream Processing in the Cloud, In Wiley Interdisciplinary Reviews (WIRE), Data Mining and Knowledge Discovery, 2013. [bibtex] [pdf]
[32]Waldemar Hummer, Orna Raz, Onn Shehory, Philipp Leitner, Schahram Dustdar. Testing of Data-Centric and Event-Based Dynamic Service Compositions, In Software Testing, Verification and Reliability, 2013. [bibtex] [pdf]
[31]Patrick Gaubatz, Waldemar Hummer, Uwe Zdun, Mark Strembeck. Supporting Customized Views for Access Control Constraints in Real-time Collaborative Web Applications (Demo), In 13th International Conference on Web Engineering (ICWE), 2013. [bibtex]
[30]Patrick Gaubatz, Waldemar Hummer, Uwe Zdun, Mark Strembeck. Supporting Customized Views for Access Control Constraints in Real-time Collaborative Web Applications, In International Conference on Web Engineering (ICWE), 2013. [bibtex]
[29]Alessio Gambi, Waldemar Hummer, Schahram Dustdar. Automated Testing of Cloud-based Elastic Systems with AUToCLES, In 28th IEEE/ACM International Conference on Automated Software Engineering (demo track), 2013. [bibtex]
[28]Alessio Gambi, Waldemar Hummer, Hong-Linh Truong, Schahram Dustdar. Testing Elastic Computing Systems, In IEEE Internet Computing, volume (to appear, 2013. [bibtex]
[27]Alessio Gambi, Waldemar Hummer, Schahram Dustdar. Testing Elastic Systems with Surrogate Models, In ICSE Workshop on Combining Modelling and Search-Based Software Engineering (CMSBSE), 2013. [bibtex] [pdf]
2012
[26]Philipp Leitner, Waldemar Hummer, Schahram Dustdar. Cost-Based Optimization of Service Compositions, In IEEE Transactions on Services Computing (TSC), 2012. [bibtex]
[25]Philipp Leitner, Waldemar Hummer, Benjamin Satzger, Christian Inzinger, Schahram Dustdar. Cost-Efficient and Application SLA-Aware Client Side Request Scheduling in an Infrastructure-as-a-Service Cloud, In IEEE International Conference on Cloud Computing (CLOUD'12), 2012. [bibtex] [pdf]
[24]Christian Inzinger, Benjamin Satzger, Waldemar Hummer, Schahram Dustdar. Specification and Deployment of Distributed Monitoring and Adaptation Infrastructures, In 2nd Int. Workshop on Performance Assessment and Auditing in Service Computing (co-located with ICSOC'12), 2012. [bibtex]
[23]Philipp Leitner, Christian Inzinger, Waldemar Hummer, Benjamin Satzger, Schahram Dustdar. Application-Level Performance Monitoring of Cloud Services Based on the Complex Event Processing Paradigm, In IEEE International Conference on Service-Oriented Computing and Applications (SOCA'12), 2012. [bibtex]
[22]Philipp Leitner, Waldemar Hummer, Schahram Dustdar. A Monitoring Data Set for Evaluating QoS-Aware Service-Based Systems, In 4th International Workshop on Principles of Engineering Service-Oriented Systems (PESOS), co-located with ICSE'12, 2012. [bibtex]
[21]Philipp Leitner, Waldemar Hummer, Benjamin Satzger, Christian Inzinger, Schahram Dustdar. CloudScale - a Novel Middleware for Building Transparently Scaling Cloud Applications, In 27th ACM Symposium on Applied Computing (SAC'12), Cloud Computing Track, 2012. [bibtex]
[20]Christian Inzinger, Waldemar Hummer, Benjamin Satzger, Philipp Leitner, Schahram Dustdar. Identifying Incompatible Implementations of Industry Standard Service Interfaces for Dependable Service-Based Applications, Technical Report (TUV-1841-2012-1), Vienna University of Technology, 2012. [bibtex] [pdf]
[19]Christian Inzinger, Waldemar Hummer, Benjamin Satzger, Philipp Leitner, Schahram Dustdar. Towards Identifying Root Causes of Faults in Service-Based Applications, In 31st International Symposium on Reliable Distributed Systems (SRDS), 2012. [bibtex]
[18]Christian Inzinger, Benjamin Satzger, Waldemar Hummer, Philipp Leitner, Schahram Dustdar. Non-Intrusive Policy Optimization for Dependable and Adaptive Service-Oriented Systems, In Proceedings of the 2012 ACM Symposium on Applied Computing (SAC'12), 2012. [bibtex]
[17]Waldemar Hummer, Christian Inzinger, Philipp Leitner, Benjamin Satzger, Schahram Dustdar. Deriving a Unified Fault Taxonomy for Event-Based Systems, In 6th ACM International Conference on Distributed Event-Based Systems (DEBS'12), 2012. [bibtex] [pdf]
2011
[16]Waldemar Hummer, Philipp Leitner, Schahram Dustdar. SEPL - a domain-specific language and execution environment for protocols of stateful Web services, In Distributed and Parallel Databases, Springer Netherlands, 2011. [bibtex] [pdf] [doi]
[15]Benjamin Satzger, Waldemar Hummer, Philipp Leitner, Schahram Dustdar. Esc: Towards an Elastic Stream Computing Platform for the Cloud, In 4th IEEE International Conference on Cloud Computing (CLOUD'11), 2011. [bibtex]
[14]Philipp Leitner, Waldemar Hummer, Benjamin Satzger, Schahram Dustdar. Stepwise and Asynchronous Runtime Optimization of Web Service Compositions, In 12th International Conference on Web Information Systems Engineering (WISE'11), (short paper), 2011. [bibtex]
[13]Philipp Leitner, Waldemar Hummer, Schahram Dustdar. Cost-Based Optimization of Service Compositions, Technical Report (TUV-1841-2011-01), Vienna University of Technology, 2011. [bibtex] [pdf]
[12]Waldemar Hummer, Philipp Leitner, Schahram Dustdar. WS-Aggregation: Distributed Aggregation of Web Services Data, In 26th ACM SIGAPP Symposium On Applied Computing (SAC'11), SOAP Track, 2011. [bibtex] [pdf]
[11]Waldemar Hummer, Patrick Gaubatz, Mark Strembeck, Uwe Zdun, Schahram Dustdar. An Integrated Approach for Identity and Access Management in a SOA Context, In 16th ACM Symposium on Access Control Models and Technologies (SACMAT'11), 2011. [bibtex] [pdf]
[10]Waldemar Hummer, Benjamin Satzger, Philipp Leitner, Schahram Dustdar. Distributed Continuous Data Aggregation Over Web Service Event Streams, Technical Report (TUV-1841-2011-04), Vienna University of Technology, 2011. [bibtex] [pdf]
[9]Waldemar Hummer, Benjamin Satzger, Philipp Leitner, Christian Inzinger, Schahram Dustdar. Distributed Continuous Queries Over Web Service Event Streams, In 7th International Conference on Next Generation Web Services Practices (NWeSP'11), 2011. [bibtex] [pdf]
[8]Waldemar Hummer, Orna Raz, Onn Shehory, Philipp Leitner, Schahram Dustdar. Test Coverage of Data-Centric Dynamic Compositions in Service-Based Systems, In 4th International Conference on Software Testing, Verification and Validation (ICST'11), 2011. (among the best papers of ICST'11) [bibtex] [pdf]
[7]Waldemar Hummer, Orna Raz, Schahram Dustdar. Towards Efficient Measuring of Web Services API Coverage, In 3rd International Workshop on Principles of Engineering Service-Oriented Systems (PESOS), co-located with ICSE'11, 2011. [bibtex] [pdf]
[6]Waldemar Hummer, Philipp Leitner, Benjamin Satzger, Schahram Dustdar. Dynamic Migration of Processing Elements for Optimized Query Execution in Event-based Systems, In 1st International Symposium on Secure Virtual Infrastructures (DOA-SVI'11), OnTheMove Federated Conferences, 2011. [bibtex] [pdf]
2010
[5]Philipp Leitner, Branimir Wetzstein, Dimka Karastoyanova, Waldemar Hummer, Schahram Dustdar, Frank Leymann. Preventing SLA Violations in Service Compositions Using Aspect-Based Fragment Substitution, In International Conference on Service-Oriented Computing (ICSOC'10), 2010. [bibtex]
[4]Waldemar Hummer, Philipp Leitner, Anton Michlmayr, Florian Rosenberg, Schahram Dustdar. VRESCo - Vienna Runtime Environment for Service-oriented Computing, Chapter in Service Engineering (Schahram Dustdar, Fei Li, eds.), Springer, 2010. [bibtex] [pdf]
[3]Waldemar Hummer, Philipp Leitner, Schahram Dustdar. A Step-By-Step Debugging Technique To Facilitate Mashup Development and Maintenance, In 4th International Workshop on Web APIs and Services Mashups (Mashups'10), co-located with ECOWS 2010, 2010. [bibtex] [pdf]
[2]Waldemar Hummer, Philipp Leitner, Schahram Dustdar. WS-Aggregation Debugger (Demo), In 4th International Workshop on Web APIs and Services Mashups @ ECOWS'10, 2010. [bibtex]
2009
[1]Waldemar Hummer. Towards a Domain-Specific Language for Defining Intra Service Protocols of Stateful Web Services, 2009. [bibtex] [pdf]
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