Sven Helmer
Sven Helmer
Senior Research Associate, University of Zurich
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Anatomy of a native XML base management system
T Fiebig, S Helmer, CC Kanne, G Moerkotte, J Neumann, R Schiele, ...
The VLDB Journal 11 (4), 292-314, 2002
The implementation and performance of compressed databases
T Westmann, D Kossmann, S Helmer, G Moerkotte
ACM Sigmod Record 29 (3), 55-67, 2000
Affordable and energy-efficient cloud computing clusters: The Bolzano Raspberry Pi cloud cluster experiment
P Abrahamsson, S Helmer, N Phaphoom, L Nicolodi, N Preda, L Miori, ...
2013 IEEE 5th International Conference on Cloud Computing Technology and …, 2013
A Container-based Edge Cloud PaaS Architecture based on Raspberry Pi Clusters
C Pahl, S Helmer, L Miori, J Sanin, B Lee
3rd Int. Symposium on Intercloud and IoT (ICI'16), 2016
A survey study on major technical barriers affecting the decision to adopt cloud services
N Phaphoom, X Wang, S Samuel, S Helmer, P Abrahamsson
Journal of Systems and Software 103, 167-181, 2015
A performance study of four index structures for set-valued attributes of low cardinality
S Helmer, G Moerkotte
The VLDB Journal 12 (3), 244-261, 2003
Evaluation of main memory join algorithms for joins with set comparison join predicates.
S Helmer, G Moerkotte
VLDB 97, 386-395, 1997
Full-fledged algebraic XPath processing in Natix
M Brantner, S Helmer, CC Kanne, G Moerkotte
21st International Conference on Data Engineering (ICDE'05), 705-716, 2005
Measuring the structural similarity of semistructured documents using entropy
S Helmer
Proceedings of the 33rd international conference on Very large data bases …, 2007
Evaluating lock-based protocols for cooperation on XML documents
S Helmer, CC Kanne, G Moerkotte
ACM SIGMOD Record 33 (1), 58-63, 2004
Nested queries and quantifiers in an ordered context
N May, S Helmer, G Moerkotte
Proceedings. 20th International Conference on Data Engineering, 239-250, 2004
Optimized translation of XPath into algebraic expressions parameterized by programs containing navigational primitives
S Helmer, CC Kanne, G Moerkotte
Proceedings of the Third International Conference on Web Information Systems …, 2002
A Decision Framework for Blockchain Platforms for IoT and Edge Computing
C Pahl, N El Ioini, S Helmer
3rd Int. Conf. on Internet of Things, Big Data and Security (IoTBDS'18), 2018
Strategies for query unnesting in XML databases
N May, S Helmer, G Moerkotte
ACM Transactions on Database Systems (TODS) 31 (3), 968-1013, 2006
An Architecture Pattern for Trusted Orchestration in IoT Edge Clouds
C Pahl, N El Ioini, S Helmer, B Lee
3rd Int. Conf. on Fog and Mobile Edge Computing (FMEC'18), 2018
Diag-Join: An opportunistic join algorithm for 1: N relationships
S Helmer, T Westmann, G Moerkotte
VLDB 98, 98-109, 1998
Natix: A technology overview
T Fiebig, S Helmer, CC Kanne, G Moerkotte, J Neumann, R Schiele, ...
Net. ObjectDays: International Conference on Object-Oriented and Internet …, 2002
Lock-based protocols for cooperation on XML documents
S Helmer, CC Kanne, G Moerkotte
14th International Workshop on Database and Expert Systems Applications …, 2003
An interval join optimized for modern hardware
D Piatov, S Helmer, A Dignös
2016 IEEE 32nd International Conference on Data Engineering (ICDE), 1098-1109, 2016
Efficient Itinerary Planning with Category Constraints
P Bolzoni, S Helmer, K Wellenzohn, J Gamper, P Andritsos
22nd ACM SIGSPATIAL Int. Conf. on Advances in Geographic Information Systems …, 2014
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