Photo of Christian Thomsen
  • Selma Lagerløfs Vej 300, 3-2-32

    9220 Aalborg Ø

    Denmark

  • Selma Lagerlöfs Vej 300

    9220 Aalborg Ø

    Denmark

20042023
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Research Output 2005 2019

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Article in proceeding
2019

Demonstration of ModelarDB: Model-Based Management of Dimensional Time Series

Jensen, S. K., Pedersen, T. B. & Thomsen, C., 2019, Proceedings of the 2019 International Conference on Management of Data. Association for Computing Machinery, p. 1933-1936 4 p. (Proceedings of the ACM SIGMOD International Conference on Management of Data).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Time series
Demonstrations
Sensors
2018
5 Downloads (Pure)

Programmatic ETL

Thomsen, C., Andersen, O., Jensen, S. K. & Pedersen, T. B., 2018, Business Intelligence and Big Data - 7th European Summer School, eBISS 2017, Tutorial Lectures. Zimányi, E. (ed.). Cham: Springer Publishing Company, p. 21-50 30 p. (Lecture Notes in Business Information Processing, Vol. 324).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Mathematical transformations
Data warehouses
Graphical user interfaces
1 Citation (Scopus)
10 Downloads (Pure)

SimpleETL: ETL Processing by Simple Specifications

Andersen, O., Thomsen, C. & Torp, K., 1 Jan 2018, Proceedings of the 20th International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data co-located with 10th EDBT/ICDT Joint Conference. CEUR Workshop Proceedings, Vol. 2062. 6 p. (CEUR Workshop Proceedings, Vol. 2062).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
2017
57 Downloads (Pure)

MAIME: A Maintenance Manager for ETL Processes

Butkevicius, D., Freiberger, P. D., Halberg, F. M., Hansen, J. B., Jensen, S., Tarp, M., Huang, H. X. & Thomsen, C., 15 Mar 2017, Proceedings of the Workshops of the EDBT/ICDT 2017 Joint Conference (EDBT/ICDT 2017). CEUR Workshop Proceedings, 10 p. 8. (CEUR Workshop Proceedings, Vol. 1810).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Managers
Mathematical transformations
Servers
Competitive intelligence
Industry
1 Citation (Scopus)
22 Downloads (Pure)

SM4MQ: A Semantic Model for Multidimensional Queries

Varga, J., Dobrokhotova, E., Romero, O., Pedersen, T. B. & Thomsen, C., 16 May 2017, The Semantic Web: 14th International Conference, ESWC 2017, Portorož, Slovenia, May 28 – June 1, 2017, Proceedings, Part I. Springer, p. 449-464 16 p. ( Lecture Notes in Computer Science, Vol. 10249).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Semantics
Processing
Semantic Web
Metadata
Data structures
2016
1 Citation (Scopus)

Efficient Approximate OLAP Querying Over Time Series

Perera, K. B. D. K. S., Hahmann, M., Lehner, W., Pedersen, T. B. & Thomsen, C., 2016, Proceedings of the 20th International Database Engineering & Applications Symposium. Association for Computing Machinery, p. 205-211 7 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Time series
Competitive intelligence
Query processing
Redundancy
Agglomeration
1 Citation (Scopus)

Modeling and Analyzing Electric Vehicle Charging

Andersen, O., Krogh, B. B., Thomsen, C. & Torp, K., 13 Jun 2016, 17th IEEE International Conference on Mobile Data Management - Porto, Portugal. Bifet, A. & OLIVER, NURIA. (eds.). Porto: IEEE Press, Vol. 1. p. 302–309 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

10 Citations (Scopus)

QB2OLAP: Enabling OLAP on Statistical Linked Open Data

Varga, J., Etcheverry, L., Vaisman, A., Romero, O., Pedersen, T. B. & Thomsen, C., 2016, Proceedings of 2016 IEEE 32nd International Conference on Data Engineering (ICDE). IEEE, p. 1346-1349 4 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Processing
Semantics
Query languages
Semantic Web
2015
4 Citations (Scopus)
4 Downloads (Pure)

Modeling Large Time Series for Efficient Approximate Query Processing

Perera, K. S., Hahmann, M., Lehner, W., Pedersen, T. B. & Thomsen, C., 30 Jul 2015, Database Systems for Advanced Applications: DASFAA 2015 International Workshops, SeCoP, BDMS, and Posters, Hanoi, Vietnam, April 20-23, 2015, Revised Selected Papers. Liu, A., Ishikawa, Y., Qian, T., Nutanong, S. & Cheema, M. A. (eds.). Springer, p. 190-204 15 p. (Lecture Notes in Computer Science; No. 9052).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Query processing
Time series
Data warehouses
Terminology
Decision support systems
5 Citations (Scopus)

SpotADAPT: Spot Aware (re-)Deployment of Analytical Processing Tasks on Amazon EC2

Kaulakiene, D., Thomsen, C., Pedersen, T. B., Cetintemel, U. & Kraska, T., 23 Oct 2015, Proceedings of the ACM Eighteenth International Workshop On Data Warehousing and OLAP (DOLAP 2015). New York, NY, USA: Association for Computing Machinery, p. 59-68 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Web services
Processing
Cloud computing
Costs
Availability
2014
2 Citations (Scopus)

An Advanced Data Warehouse for Integrating Large Sets of GPS Data

Andersen, O., Krogh, B. B., Thomsen, C. & Torp, K., 7 Nov 2014, Proceedings of the 17th International Workshop on Data Warehousing and OLAP . Association for Computing Machinery, p. 13-22 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Data warehouses
Global positioning system
Fuel consumption
13 Citations (Scopus)

CloudETL: Scalable Dimensional ETL for Hive

Liu, X., Thomsen, C. & Pedersen, T. B., 2014, Proceedings of the 18th International Database Engineering & Applications Symposium . Association for Computing Machinery, p. 195-206 12 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Mathematical transformations
Processing
Stars
Productivity
Experiments

Foreword

Jensen, C. S., Lu, H., Pedersen, T. B., Thomsen, C. & Torp, K., 2014, Proceeedings of the 26th International Conference on Scientific and Statistical Database Management. Association for Computing Machinery, 2 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

5 Citations (Scopus)

SM4AM: A Semantic Metamodel for Analytical Metadata

Varga, J., Romero, O., Pedersen, T. B. & Thomsen, C., 2014, Proceedings of the 17th International Workshop on Data Warehousing and OLAP. Association for Computing Machinery, p. 57-66 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Metadata
Semantics
12 Citations (Scopus)

Towards Next Generation BI Systems: The Analytical Metadata Challenge

Varga, J., Romero, O., Pedersen, T. B. & Thomsen, C., 2014, Data Warehousing and Knowledge Discovery: 16th International Conference, DaWaK 2014 Munich, Germany, September 2-4, 2014 Proceedings. Springer Publishing Company, Vol. 8646. p. 89-101 13 p. (Lecture Notes in Computer Science).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Competitive intelligence
Metadata
Automation
Decision making
2013
3 Citations (Scopus)
569 Downloads (Pure)

Real-Time Business Intelligence in the MIRABEL Smart Grid System

Fischer, U., Kaulakiene, D., Khalefa, M., Lehner, W., Pedersen, T. B., Siksnys, L. & Thomsen, C., 2013, Enabling Real-Time Business Intelligence: 6th International Workshop, BIRTE 2012, Held at the 38th International Conference on Very Large Databases, VLDB 2012, Istanbul, Turkey, August 27, 2012, Revised Selected Papers. Castellanos, M., Dayal, U. & Rundensteiner, E. A. (eds.). Springer Publishing Company, p. 1-22 22 p. (Lecture Notes in Business Information Processing, Vol. 154).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

File
Competitive intelligence
Time series
Query processing
Information management
Agglomeration
2012
525 Downloads (Pure)

3XL: An Efficient DBMS-based Triple-store

Xiufeng, L., Thomsen, C. & Pedersen, T. B., Sep 2012, The 23rd International Workshop on Database and Expert Systems Applications. IEEE Computer Society Press, p. 284-288 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

File
Ontology
14 Citations (Scopus)
377 Downloads (Pure)

MIRABEL DW: Managing Complex Energy Data in a Smart Grid

Siksnys, L., Thomsen, C. & Pedersen, T. B., 2012, Data Warehousing and Knowledge Discovery: 14th International Conference, DaWaK 2012, Vienna, Austria, September 3-6, 2012. Proceedings.. Cuzzocrea, A. & Dayal, U. (eds.). Springer, p. 443-457 (Lecture Notes in Computer Science, Vol. 7448).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

File
2011
8 Citations (Scopus)

Easy and Effective Parallel Programmable ETL

Thomsen, C. & Pedersen, T. B., 2011, Proceedings of the ACM 14th International Workshop on Data warehousing and OLAP. New York, NY, USA: Association for Computing Machinery, p. 37-44 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Data warehouses
Program processors
Clocks
2009
26 Citations (Scopus)
1 Downloads (Pure)

pygrametl: A Powerful Programming Framework for Extract-Transform-Load Programmers

Thomsen, C. & Pedersen, T. B., 2009, Proceedings of the 12th ACM International Workshop on Data Warehousing and OLAP (DOLAP). Association for Computing Machinery, p. 49-56 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Graphical user interfaces
Mathematical transformations
Data warehouses
Experiments
2008
509 Downloads (Pure)

Architecture for large-scale automatic web accessibility evaluation based on the UWEM methodology

Ulltveit-Moe, N., Olsen, M. G., Pillai, A. B., Thomsen, C., Gjøsæter, T. & Snaprud, M., 2008, Norsk informatikkonferanse, NIK 2008. TAPIR Akademisk Forlag, 12 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
Websites
Data warehouses
Internet
Observatories
World Wide Web
40 Citations (Scopus)

RiTE: Providing On-Demand Data for Right-Time Data Warehousing

Thomsen, C., Pedersen, T. B. & Lehner, W., 2008, Proceedings of the Twentyfourth International Conference on Data Engineering. Electrical Engineering/Electronics, Computer, Communications and Information Technology Association, p. 456-465 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Data warehouses
Availability
Concurrency control
Middleware
Data storage equipment
2006
9 Citations (Scopus)

Building a Web Warehouse for Accessibility Data

Thomsen, C. & Pedersen, T. B., 2006, Proceedings of the 9th ACM international workshop on Data warehousing and OLAP. Association for Computing Machinery, p. 43-50 8 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

ETLDiff: A Semi-automatic Framework for Regression Test of ETL Software

Thomsen, C. & Pedersen, T. B., 2006, Proceedings of the Eighth International Conference on Data Warehousing and Knowledge Discovery. Tjoa, A. M. & Trujillo, J. (eds.). Springer, 12 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

2005
18 Citations (Scopus)

A survey of open source tools for business intelligence

Thomsen, C. & Pedersen, T. B., 2005, Data Warehousing and Knowledge Discovery, Proceedings. Springer, p. 74-84

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Competitive intelligence
Servers
Processing
Mathematical transformations
Industry