Quantum and Intelligent Computing (QIC)
In the QIC research group, we deal with topics related to quantum computing, artificial intelligence, data and information science with and without hardware accelerators.
Members
Current Members
- Umut Çalikyilmaz
- Dr. rer. nat. Jinghua Groppe
- Akasha Kessel
- Hanieh Khorashadizadeh
- Nitin Nayak
- Dr. Ronak Panchal (external expert/postdoc, Cognizant)
- Simon Paasche, external PhD student (funded by Robert Bosch Elektronik GmbH, Salzgitter)
- Prof. Dr. Sanju Tiwari (external expert, Sharda University)
- Tobias Winker
- Sam Bird (University of Oklahoma), co-supervision
Completed PhDs supervised by Prof. Dr. Sven Groppe
Projects
Running Projects
- QC4DB (BMBF)
- QualityOnt (DFG)
Completed Projects
- BigSIoT (DFG)
- Hybrid2 (DFG)
- SW-FPGA-DB (DFG)
- FPGA-Cluster DB (BMWi)
- LUPOSDATE (DFG)
Open Thesis
A list of open thesis of the QIC research group is available here.
Please see also the slides of the last bachelor/master forum (PDF).
Publications
2017
Sven
Groppe, and
Carlo Alberto
Boano,
First Edition of the Very Large Internet of Things Workshop (VLIoT), {OJIOT} , vol. 3, no. 1, pp. 12--17, 2017.
First Edition of the Very Large Internet of Things Workshop (VLIoT), {OJIOT} , vol. 3, no. 1, pp. 12--17, 2017.
Datei: | urn:nbn:de:101:1-2017080613397 |
Christopher
Blochwitz,
Julian
Wolff,
Jan Moritz
Joseph,
Stefan
Werner,
Dennis
Heinrich,
Sven
Groppe, and
Thilo
Pionteck,
Hardware-Accelerated Radix-Tree Based String Sorting for Big Data Applications, in 30th International Conference on Architecture of Computing Systems ({ARCS}), Vienna, Austria , 2017. pp. 47--58.
Hardware-Accelerated Radix-Tree Based String Sorting for Big Data Applications, in 30th International Conference on Architecture of Computing Systems ({ARCS}), Vienna, Austria , 2017. pp. 47--58.
DOI: | 10.1007/978-3-319-54999-6\_4 |
Datei: | 978-3-319-54999-6\_4 |
Moritz
Welberg,
Claus
Schuster, and
Sven
Groppe,
Open-Source Knowledgemanagement Platform zur Unterstützung der Lehre in der Medizin, in Gemeinsame Jahrestagung der Gesellschaft für Medizinische Ausbildung (GMA) und des Arbeitskreises zur Weiterentwicklung der Lehre in der Zahnmedizin (AKWLZ), Münster, Germany , 2017.
Open-Source Knowledgemanagement Platform zur Unterstützung der Lehre in der Medizin, in Gemeinsame Jahrestagung der Gesellschaft für Medizinische Ausbildung (GMA) und des Arbeitskreises zur Weiterentwicklung der Lehre in der Zahnmedizin (AKWLZ), Münster, Germany , 2017.
Datei: | 17gma232 |
Sven
Groppe, and
Le
Gruenwald,
Proceedings of The International Workshop on Semantic Big Data, SBD@SIGMOD 2017, Chicago, IL, USA., .... ACM, 2017.
Proceedings of The International Workshop on Semantic Big Data, SBD@SIGMOD 2017, Chicago, IL, USA., .... ACM, 2017.
DOI: | 10.1145/3066911 |
ISBN: | 978-1-4503-4987-1 |
Datei: | 3066911 |
Fabian
Rosenthal, and
Sven
Groppe,
Purposeful Searching for Citations of Scholarly Publications, OJIS , vol. 4, no. 1, pp. 27--48, 2017.
Purposeful Searching for Citations of Scholarly Publications, OJIS , vol. 4, no. 1, pp. 27--48, 2017.
Datei: | urn:nbn:de:101:1-201711266882 |
Dennis
Heinrich,
Stefan
Werner,
Christopher
Blochwitz,
Thilo
Pionteck, and
Sven
Groppe,
Search \& Update Optimization of a B+ Tree in a Hardware aided Semantic Web Database System, in Proceedings of the 7th International Conference on Emerging Databases (EDB), Busan, Korea , Springer, 2017.
Search \& Update Optimization of a B+ Tree in a Hardware aided Semantic Web Database System, in Proceedings of the 7th International Conference on Emerging Databases (EDB), Busan, Korea , Springer, 2017.
Datei: | 978-981-10-6520-0_18 |
Stefan
Werner,
Dennis
Heinrich,
Thilo
Pionteck, and
Sven
Groppe,
Semi-static operator graphs for accelerated query execution on FPGAs, Microprocessors and Microsystems - Embedded Hardware Design , vol. 53, pp. 178--189, 2017.
Semi-static operator graphs for accelerated query execution on FPGAs, Microprocessors and Microsystems - Embedded Hardware Design , vol. 53, pp. 178--189, 2017.
DOI: | 10.1016/j.micpro.2017.07.010 |
Datei: | j.micpro.2017.07.010 |
Eric
Oberesch, and
Sven
Groppe,
The mf-index: A Citation-Based Multiple Factor Index to Evaluate and Compare the Output of Scientists, OJWT , vol. 4, no. 1, pp. 1--32, 2017.
The mf-index: A Citation-Based Multiple Factor Index to Evaluate and Compare the Output of Scientists, OJWT , vol. 4, no. 1, pp. 1--32, 2017.
Datei: | urn:nbn:de:101:1-2017070914565 |
2016
Stefan
Werner,
Dennis
Heinrich,
Sven
Groppe,
Christopher
Blochwitz, and
Thilo
Pionteck,
Runtime Adaptive Hybrid Query Engine based on FPGAs, OJDB , vol. 3, no. 1, pp. 21--41, 2016. RonPub.
Runtime Adaptive Hybrid Query Engine based on FPGAs, OJDB , vol. 3, no. 1, pp. 21--41, 2016. RonPub.
Datei: | urn:nbn:de:101:1-201705194645 |
Bibtex: | ![]() @Article{OJDB_2016v3i1n02_Werner, author = {Stefan Werner and Dennis Heinrich and Sven Groppe and Christopher Blochwitz and Thilo Pionteck}, title = {Runtime Adaptive Hybrid Query Engine based on FPGAs}, journal = {Open Journal of Databases (OJDB)}, issn = {2199-3459}, year = {2016}, volume = {3}, number = {1}, pages = {21--41}, url = {http://www.ronpub.com/publications/OJDB_2016v3i1n02_Werner.pdf}, publisher = {RonPub}, bibsource = {RonPub}, abstract = {This paper presents the fully integrated hardware-accelerated query engine for large-scale datasets in the context of Semantic Web databases. As queries are typically unknown at design time, a static approach is not feasible and not flexible to cover a wide range of queries at system runtime. Therefore, we introduce a runtime reconfigurable accelerator based on a Field Programmable Gate Array (FPGA), which transparently incorporates with the freely available Semantic Web database LUPOSDATE. At system runtime, the proposed approach dynamically generates an optimized hardware accelerator in terms of an FPGA configuration for each individual query and transparently retrieves the query result to be displayed to the user. During hardware-accelerated execution the host supplies triple data to the FPGA and retrieves the results from the FPGA via PCIe interface. The benefits and limitations are evaluated on large-scale synthetic datasets with up to 260 million triples as well as the widely known Billion Triples Challenge.} } |
Sven
Groppe, and
Le
Gruenwald,
Proceedings of the International Workshop on Semantic Big Data, San Francisco, CA, USA., .... ACM, 2016.
Proceedings of the International Workshop on Semantic Big Data, San Francisco, CA, USA., .... ACM, 2016.
DOI: | 10.1145/2928294 |
ISBN: | 978-1-4503-4299-5 |
Datei: | 2928294 |
Sven
Groppe,
Dennis
Heinrich,
Christopher
Blochwitz, and
Thilo
Pionteck,
Constructing Large-Scale Semantic Web Indices for the Six {RDF} Collation Orders, OJBD , vol. 2, no. 1, pp. 11--25, 2016.
Constructing Large-Scale Semantic Web Indices for the Six {RDF} Collation Orders, OJBD , vol. 2, no. 1, pp. 11--25, 2016.
Datei: | urn:nbn:de:101:1-201705194418 |
Stefan
Werner,
Dennis
Heinrich,
Marc
Stelzner,
Volker
Linnemann,
Thilo
Pionteck, and
Sven
Groppe,
Accelerated join evaluation in Semantic Web databases by using FPGAs, Concurrency and Computation: Practice and Experience , vol. 28, no. 7, pp. 2031--2051, 2016.
Accelerated join evaluation in Semantic Web databases by using FPGAs, Concurrency and Computation: Practice and Experience , vol. 28, no. 7, pp. 2031--2051, 2016.
DOI: | 10.1002/cpe.3502 |
Datei: | cpe.3502 |
Bibtex: | ![]() @ARTICLE{Werner2015, author = {Stefan Werner and Dennis Heinrich and Marc Stelzner and Volker Linnemann and Thilo Pionteck and Sven Groppe}, title = {Accelerated join evaluation in Semantic Web databases by using FPGAs}, journal = {Concurrency and Computation: Practice and Experience}, year = {2015}, volume = {28}, number = {7}, pages = {2031--2051}, month = {May 18}, doi = {http://dx.doi.org/10.1002/cpe.3502} } |
2015
Sven
Groppe, and
K.
Chandrasekaran,
Advances in Cloud and Ubiquitous Computing, OJCC , vol. 2, no. 2, pp. 1--3, 2015.
Advances in Cloud and Ubiquitous Computing, OJCC , vol. 2, no. 2, pp. 1--3, 2015.
Datei: | urn:nbn:de:101:1-201704229173 |
Rico
Backasch,
Gerald
Hempel,
Christopher
Blochwitz,
Stefan
Werner,
Sven
Groppe, and
Thilo
Pionteck,
An architectural template for composing application specific datapaths at runtime, in International Conference on ReConFigurable Computing and FPGAs (ReConFig), Riviera Maya, Mexico , 2015. pp. 1--6.
An architectural template for composing application specific datapaths at runtime, in International Conference on ReConFigurable Computing and FPGAs (ReConFig), Riviera Maya, Mexico , 2015. pp. 1--6.
DOI: | 10.1109/ReConFig.2015.7393300 |
Datei: | ReConFig.2015.7393300 |
Christopher
Blochwitz,
Jan Moritz
Joseph,
Rico
Backasch,
Thilo
Pionteck,
Stefan
Werner,
Dennis
Heinrich, and
Sven
Groppe,
An optimized radix-tree for hardware-accelerated dictionary generation for semantic web databases, in International Conference on ReConFigurable Computing and FPGAs (ReConFig), Riviera Maya, Mexico , 2015. pp. 1--7.
An optimized radix-tree for hardware-accelerated dictionary generation for semantic web databases, in International Conference on ReConFigurable Computing and FPGAs (ReConFig), Riviera Maya, Mexico , 2015. pp. 1--7.
DOI: | 10.1109/ReConFig.2015.7393291 |
Datei: | ReConFig.2015.7393291 |
Stefan
Werner,
Dennis
Heinrich,
Jannik
Piper,
Sven
Groppe,
Rico
Backasch,
Christopher
Blochwitz, and
Thilo
Pionteck,
Automated composition and execution of hardware-accelerated operator graphs, in 10th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC), Bremen, Germany , 2015. pp. 1--8.
Automated composition and execution of hardware-accelerated operator graphs, in 10th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC), Bremen, Germany , 2015. pp. 1--8.
DOI: | 10.1109/ReCoSoC.2015.7238078 |
Datei: | ReCoSoC.2015.7238078 |
Sven
Groppe,
Dennis
Heinrich, and
Stefan
Werner,
Distributed Join Approaches for W3C-Conform {SPARQL} Endpoints, OJSW , vol. 2, no. 1, pp. 30--52, 2015.
Distributed Join Approaches for W3C-Conform {SPARQL} Endpoints, OJSW , vol. 2, no. 1, pp. 30--52, 2015.
Datei: | urn:nbn:de:101:1-201705194910 |
Dennis
Heinrich,
Stefan
Werner,
Marc
Stelzner,
Christopher
Blochwitz,
Thilo
Pionteck, and
Sven
Groppe,
Hybrid FPGA approach for a B+ tree in a Semantic Web database system, in 10th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC), Bremen, Germany , 2015. pp. 1--8.
Hybrid FPGA approach for a B+ tree in a Semantic Web database system, in 10th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC), Bremen, Germany , 2015. pp. 1--8.
DOI: | 10.1109/ReCoSoC.2015.7238093 |
Datei: | ReCoSoC.2015.7238093 |
Sven
Groppe,
Dennis
Heinrich,
Stefan
Werner,
Christopher
Blochwitz, and
Thilo
Pionteck,
PatTrieSort - External String Sorting based on Patricia Tries, OJDB , vol. 2, no. 1, pp. 36--50, 2015.
PatTrieSort - External String Sorting based on Patricia Tries, OJDB , vol. 2, no. 1, pp. 36--50, 2015.
Datei: | urn:nbn:de:101:1-201705194627 |
Sven
Groppe, and
Paulo Rupino
Cunha,
Semantic and Web: The Semantic Part, OJSW , vol. 2, no. 1, pp. 1--3, 2015.
Semantic and Web: The Semantic Part, OJSW , vol. 2, no. 1, pp. 1--3, 2015.
Datei: | urn:nbn:de:101:1-201705194864 |
Sven
Groppe, and
Paulo Rupino
Cunha,
Semantic and Web: The Web Part, OJWT , vol. 2, no. 1, pp. 1--3, 2015.
Semantic and Web: The Web Part, OJWT , vol. 2, no. 1, pp. 1--3, 2015.
Datei: | urn:nbn:de:101:1-201705194864 |
2014
Sven
Groppe,
Thomas
Kiencke,
Stefan
Werner,
Dennis
Heinrich,
Marc
Stelzner, and
Le
Gruenwald,
P-LUPOSDATE: Using Precomputed Bloom Filters to Speed Up SPARQL Processing in the Cloud, OJSW , vol. 1, no. 2, pp. 25--55, 2014.
P-LUPOSDATE: Using Precomputed Bloom Filters to Speed Up SPARQL Processing in the Cloud, OJSW , vol. 1, no. 2, pp. 25--55, 2014.
Datei: | urn:nbn:de:101:1-201705194858 |
Stefan
Werner,
Dennis
Heinrich,
Marc
Stelzner,
Sven
Groppe,
Rico
Backasch, and
Thilo
Pionteck,
Parallel and Pipelined Filter Operator for Hardware-Accelerated Operator Graphs in Semantic Web Databases, in 14th IEEE International Conference on Computer and Information Technology (CIT), Xi'an, China , 2014. pp. 539--546.
Parallel and Pipelined Filter Operator for Hardware-Accelerated Operator Graphs in Semantic Web Databases, in 14th IEEE International Conference on Computer and Information Technology (CIT), Xi'an, China , 2014. pp. 539--546.
DOI: | 10.1109/CIT.2014.162 |
Datei: | CIT.2014.162 |
Rico
Backasch,
Gerald
Hempel,
Stefan
Werner,
Sven
Groppe, and
Thilo
Pionteck,
Identifying homogenous reconfigurable regions in heterogeneous FPGAs for module relocation, in International Conference on ReConFigurable Computing and FPGAs (ReConFig), Cancun, Mexico , 2014. pp. 1--6.
Identifying homogenous reconfigurable regions in heterogeneous FPGAs for module relocation, in International Conference on ReConFigurable Computing and FPGAs (ReConFig), Cancun, Mexico , 2014. pp. 1--6.
DOI: | 10.1109/ReConFig.2014.7032533 |
Datei: | ReConFig.2014.7032533 |
Arne
Kusserow, and
Sven
Groppe,
Getting Indexed by Bibliographic Databases in the Area of Computer Science, OJWT , vol. 1, no. 2, pp. 10--27, 2014. RonPub.
Getting Indexed by Bibliographic Databases in the Area of Computer Science, OJWT , vol. 1, no. 2, pp. 10--27, 2014. RonPub.
Datei: | urn:nbn:de:101:1-201705291343 |
Bibtex: | ![]() @Article{OJWT_2014v1i2n02_Kusserow, title = {Getting Indexed by Bibliographic Databases in the Area of Computer Science}, author = {Arne Kusserow and Sven Groppe}, journal = {Open Journal of Web Technologies (OJWT)}, issn = {2199 -188X}, year = {2014}, volume = {1}, number = {2}, pages = {10--27}, url = {http://www.ronpub.com/publications/OJWT_2014v1i2n02_Kusserow.pdf}, publisher = {RonPub}, bibsource = {RonPub} } |
Sven
Groppe,
Johannes
Blume,
Dennis
Heinrich, and
Stefan
Werner,
A Self-Optimizing Cloud Computing System for Distributed Storage and Processing of Semantic Web Data, OJCC , vol. 1, no. 2, pp. 1--14, 2014.
A Self-Optimizing Cloud Computing System for Distributed Storage and Processing of Semantic Web Data, OJCC , vol. 1, no. 2, pp. 1--14, 2014.
Datei: | urn:nbn:de:101:1-201705194478 |
2013
Richard
Mietz,
Sven
Groppe,
Oliver
Kleine,
Daniel
Bimschas,
Stefan
Fischer,
Kay
Römer, and
Dennis
Pfisterer,
A P2P Semantic Query Framework for the Internet of Things, Praxis der Informationsverarbeitung und Kommunikation , vol. 36, no. 2, pp. 73--79, 2013.
A P2P Semantic Query Framework for the Internet of Things, Praxis der Informationsverarbeitung und Kommunikation , vol. 36, no. 2, pp. 73--79, 2013.
DOI: | 10.1515/pik-2013-0006 |
Datei: | pik-2013-0006 |
Sven
Groppe,
Björn
Schütt, and
Stefan
Werner,
Eliminating the XML overhead in embedded XML languages, in Proceedings of the 28th Annual ACM Symposium on Applied Computing ({SAC}), Coimbra, Portugal , 2013. pp. 542--547.
Eliminating the XML overhead in embedded XML languages, in Proceedings of the 28th Annual ACM Symposium on Applied Computing ({SAC}), Coimbra, Portugal , 2013. pp. 542--547.
DOI: | 10.1145/2480362.2480466 |
Datei: | 2480362.2480466 |
Stefan
Werner,
Sven
Groppe,
Volker
Linnemann, and
Thilo
Pionteck,
Hardware-accelerated join processing in large Semantic Web databases with FPGAs, in International Conference on High Performance Computing \& Simulation (HPCS), Helsinki, Finland , 2013. pp. 131--138.
Hardware-accelerated join processing in large Semantic Web databases with FPGAs, in International Conference on High Performance Computing \& Simulation (HPCS), Helsinki, Finland , 2013. pp. 131--138.
DOI: | 10.1109/HPCSim.2013.6641403 |
Datei: | HPCSim.2013.6641403 |
Richard
Mietz,
Sven
Groppe,
Kay
Römer, and
Dennis
Pfisterer,
Semantic Models for Scalable Search in the Internet of Things, J. Sensor and Actuator Networks , vol. 2, no. 2, pp. 172--195, 2013.
Semantic Models for Scalable Search in the Internet of Things, J. Sensor and Actuator Networks , vol. 2, no. 2, pp. 172--195, 2013.
DOI: | 10.3390/jsan2020172 |
Datei: | jsan2020172 |
2011
Sven
Groppe,
Jinghua
Groppe,
Niklas
Klein,
Ralf
Bettentrupp,
Stefan
Böttcher, and
Le
Gruenwald,
Transforming XSLT stylesheets into XQuery expressions and vice versa, Computer Languages, Systems \& Structures , vol. 37, no. 2, pp. 76--111, 2011.
Transforming XSLT stylesheets into XQuery expressions and vice versa, Computer Languages, Systems \& Structures , vol. 37, no. 2, pp. 76--111, 2011.
DOI: | 10.1016/j.cl.2010.11.001 |
Datei: | j.cl.2010.11.001 |
Jinghua
Groppe,
Sven
Groppe, and
Andreas
Schleifer,
Visual query system for analyzing social semantic web, in Proceedings of the 20th International Conference on World Wide Web (WWW), Hyderabad, India , 2011. pp. 217--220.
Visual query system for analyzing social semantic web, in Proceedings of the 20th International Conference on World Wide Web (WWW), Hyderabad, India , 2011. pp. 217--220.
DOI: | 10.1145/1963192.1963293 |
Datei: | 1963192.1963293 |
Sven
Groppe,
Jinghua
Groppe,
Stefan
Werner,
Matthias
Samsel,
Florian
Kalis, and
Kristina
Fell,
Using a Streaming SPARQL Evaluator for Monitoring eBay Auctions, IJWA , vol. 3, no. 4, pp. 166--178, 2011.
Using a Streaming SPARQL Evaluator for Monitoring eBay Auctions, IJWA , vol. 3, no. 4, pp. 166--178, 2011.
Datei: |
Jinghua
Groppe, and
Sven
Groppe,
Parallelizing join computations of {SPARQL} queries for large semantic web databases, in Proceedings of the 2011 ACM Symposium on Applied Computing (SAC), TaiChung, Taiwan , 2011. pp. 1681--1686.
Parallelizing join computations of {SPARQL} queries for large semantic web databases, in Proceedings of the 2011 ACM Symposium on Applied Computing (SAC), TaiChung, Taiwan , 2011. pp. 1681--1686.
DOI: | 10.1145/1982185.1982536 |
Datei: | 1982185.1982536 |
Sven
Groppe,
Jinghua
Groppe,
Stefan
Werner,
Matthias
Samsel,
Florian
Kalis,
Kristina
Fell,
Peter
Kliesch, and
Markus
Nakhlah,
Monitoring eBay auctions by querying RDF streams, in Sixth IEEE International Conference on Digital Information Management (ICDIM), Melbourne, Australia , 2011. pp. 223--228.
Monitoring eBay auctions by querying RDF streams, in Sixth IEEE International Conference on Digital Information Management (ICDIM), Melbourne, Australia , 2011. pp. 223--228.
DOI: | 10.1109/ICDIM.2011.6093358 |
Datei: | ICDIM.2011.6093358 |
Sven Groppe,
Data Management and Query Processing in Semantic Web Databases., .... Springer, 2011.
Data Management and Query Processing in Semantic Web Databases., .... Springer, 2011.
DOI: | 10.1007/978-3-642-19357-6 |
ISBN: | 978-3-642-19356-9 |
Datei: | 978-3-642-19357-6 |
Christoph
Reinke,
Nils
Hoeller,
Stefan
Werner,
Sven
Groppe, and
Volker
Linnemann,
Consistent Service Migration in Wireless Sensor Networks, in Proceedings of the International Conference on Wireless and Optical Communications (ICWOC), Zhengzhou, China , 2011.
Consistent Service Migration in Wireless Sensor Networks, in Proceedings of the International Conference on Wireless and Optical Communications (ICWOC), Zhengzhou, China , 2011.
Christoph
Reinke,
Nils
Hoeller,
Stefan
Werner,
Sven
Groppe, and
Volker
Linnemann,
Analysis and comparison of concurrency control protocols for wireless sensor networks, in 7th IEEE International Conference and Workshops on Distributed Computing in Sensor Systems (DCOSS), Barcelona, Spain , 2011. pp. 1--6.
Analysis and comparison of concurrency control protocols for wireless sensor networks, in 7th IEEE International Conference and Workshops on Distributed Computing in Sensor Systems (DCOSS), Barcelona, Spain , 2011. pp. 1--6.
DOI: | 10.1109/DCOSS.2011.5982219 |
Datei: | DCOSS.2011.5982219 |
Stefan
Werner,
Christoph
Reinke,
Sven
Groppe, and
Volker
Linnemann,
Adaptive Service Migration in Wireless Sensor Networks, in 12th International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT), Gwangju, Korea , 2011. pp. 334--341.
Adaptive Service Migration in Wireless Sensor Networks, in 12th International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT), Gwangju, Korea , 2011. pp. 334--341.
DOI: | 10.1109/PDCAT.2011.15 |
Datei: | PDCAT.2011.15 |
Jinghua
Groppe, and
Sven
Groppe,
Accelerating Large Semantic Web Databases by Parallel Join Computations of SPARQL Queries, SIGAPP Appl. Comput. Rev. , vol. 11, no. 4, pp. 60--70, 2011.
Accelerating Large Semantic Web Databases by Parallel Join Computations of SPARQL Queries, SIGAPP Appl. Comput. Rev. , vol. 11, no. 4, pp. 60--70, 2011.
Datei: | 2107756.2107762 |
2010
Christoph
Reinke,
Nils
Hoeller,
Jana
Neumann,
Sven
Groppe,
Simon
Werner, and
Volker
Linnemann,
Analysis and Comparison of Atomic Commit Protocols for Adaptive Usage in Wireless Sensor Networks, in IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC) and IEEE International Workshop on Ubiquitous and Mobile Computing (UMC), Newport Beach, California, USA , 2010. pp. 138--145.
Analysis and Comparison of Atomic Commit Protocols for Adaptive Usage in Wireless Sensor Networks, in IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC) and IEEE International Workshop on Ubiquitous and Mobile Computing (UMC), Newport Beach, California, USA , 2010. pp. 138--145.
DOI: | 10.1109/SUTC.2010.12 |
Datei: | SUTC.2010.12 |
Nils
Hoeller,
Christoph
Reinke,
Jana
Neumann,
Sven
Groppe,
Florian
Frischat, and
Volker
Linnemann,
DACS: A dynamic approximative caching scheme for Wireless Sensor Networks, in Fifth IEEE International Conference on Digital Information Management (ICDIM), Lakehead University, Thunder Bay, Canada , 2010. pp. 339--346.
DACS: A dynamic approximative caching scheme for Wireless Sensor Networks, in Fifth IEEE International Conference on Digital Information Management (ICDIM), Lakehead University, Thunder Bay, Canada , 2010. pp. 339--346.
DOI: | 10.1109/ICDIM.2010.5664208 |
Datei: | ICDIM.2010.5664208 |
Nils
Hoeller,
Christoph
Reinke,
Jana
Neumann,
Sven
Groppe,
Christian
Werner, and
Volker
Linnemann,
Efficient XML data and query integration in the wireless sensor network engineering process, IJWIS , vol. 6, no. 4, pp. 319--358, 2010.
Efficient XML data and query integration in the wireless sensor network engineering process, IJWIS , vol. 6, no. 4, pp. 319--358, 2010.
DOI: | 10.1108/17440081011090248 |
Datei: | 17440081011090248 |
Sven
Groppe, and
Jinghua
Groppe,
External sorting for index construction of large semantic web databases, in Proceedings of the 2010 ACM Symposium on Applied Computing (SAC), Sierre, Switzerland , 2010. pp. 1373--1380.
External sorting for index construction of large semantic web databases, in Proceedings of the 2010 ACM Symposium on Applied Computing (SAC), Sierre, Switzerland , 2010. pp. 1373--1380.
DOI: | 10.1145/1774088.1774382 |
Datei: | 1774088.1774382 |
Nils
Hoeller,
Christoph
Reinke,
Jana
Neumann,
Sven
Groppe,
Martin
Lipphardt,
Björn
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DOI: | 10.1109/MUE.2010.5575094 |
Datei: | MUE.2010.5575094 |
2009
Sven
Groppe,
Jana
Neumann, and
Volker
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SWOBE - embedding the semantic web languages RDF, SPARQL and SPARUL into java for guaranteeing type safety, for checking the satisfiability of queries and for the determination of query result types, in Proceedings of the 2009 ACM Symposium on Applied Computing (SAC), Honolulu, Hawaii, USA , 2009. pp. 1239--1246.
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DOI: | 10.1145/1529282.1529561 |
Datei: | 1529282.1529561 |
Sven
Groppe,
Jinghua
Groppe,
Stefan
Böttcher,
Thomas
Wycisk, and
Le
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Optimizing the execution of XSLT stylesheets for querying transformed XML data, Knowl. Inf. Syst. , vol. 18, no. 3, pp. 331--391, 2009.
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DOI: | 10.1007/s10115-008-0144-4 |
Datei: | s10115-008-0144-4 |
Nils
Hoeller,
Christoph
Reinke,
Jana
Neumann,
Sven
Groppe,
Christian
Werner, and
Volker
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Towards energy efficient XPath evaluation in wireless sensor networks, in Proceedings of the 6th Workshop on Data Management for Sensor Networks, in conjunction with VLDB (DMSN), Lyon, France , 2009.
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DOI: | 10.1145/1594187.1594193 |
Datei: | 1594187.1594193 |
Nils
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Christoph
Reinke,
Jana
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Sven
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Christian
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XML data management and XPath evaluation in wireless sensor networks, in The 7th International Conference on Advances in Mobile Computing and Multimedia (MoMM), Kuala Lumpur, Malaysia , 2009. pp. 218--230.
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DOI: | 10.1145/1821748.1821790 |
Datei: | 1821748.1821790 |
Sven
Groppe,
Jinghua
Groppe, and
Dirk
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Result Merging Technique for Answering XPath Query over {XSLT} Transformed Data, IEEE Trans. Knowl. Data Eng. , vol. 21, no. 9, pp. 1328--1342, 2009.
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DOI: | 10.1109/TKDE.2008.211 |
Datei: | TKDE.2008.211 |

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