• Selma Lagerløfs Vej 300, 3-2-10

    9220 Aalborg Ø

    Denmark

  • Selma Lagerlöfs Vej 300

    9220 Aalborg Ø

    Denmark

1994 …2020
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Research Output 1994 2019

Article in proceeding

The Great Indoors: A Data Management Frontier

Jensen, C. S. & Lu, H., 2010, Proceedings of the Second Workshop on Research Directions in Situational-Aware Self-Managed Proactive Computing in Wireless Adhoc. 3 p.

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

53 Citations (Scopus)

The Islands Approach to Nearest Neighbor Querying in Spatial Networks

Huang, X., Jensen, C. S. & Saltenis, S., 2005, Advances in Spatial and Temporal Databases: Proceedings of 9th International Symposium, SSTD 2005, Angra dos Reis, Brazil, August 22-24, 2005. Medeiros, C. B., Egenhofer, M. & Bertino, E. (eds.). 3633 ed. IEEE Computer Society Press, p. 73-90 18 p. (Lecture Notes in Computer Science; No. 3633).

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

Information management
Program processors
10 Citations (Scopus)

The safest path via safe zones

Aljubayrin, S., Qi, J., Jensen, C. S., He, Z. & Wen, Z., Apr 2015, 31st IEEE International Conference on Data Engineering. IEEE, p. 531-542 (Proceedings of the International Conference on Data Engineering).

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

10 Citations (Scopus)

The TreeScape System: Reuse of Pre-Computed Aggregates over Irregular OLAP Hierarchies

Pedersen, T. B., Jensen, C. S. & Dyreson, C. E., 2000, Proceedings of the Twenty-Sixth International Conference on Very Large Databases, Cairo, Egypt, September 2000. p. 595-598

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

76 Citations (Scopus)

The use of categorization information in language models for question retrieval

Cao, X., Cong, G., Cui, B., Jensen, C. S. & Zhang, C., 2009, Proceeding of the 18th ACM conference on Information and knowledge management. Cheung, D. W-L., Song, I-Y., Chu, W. W., Hu, X. & Lin, J. J. (eds.). Association for Computing Machinery, p. 265-274 10 p. (Conference on Information and Knowledge Management).

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

Experiments
6 Citations (Scopus)

Top-k point of interest retrieval using standard indexes

Skovgaard, A. & Jensen, C. S., 2014, Proceedings of the 22nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. Huang, Y. & Schneider, M. (eds.). Association for Computing Machinery, p. 173-182 10 p.

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

Towards a Handbook for User-Centred Mobile Application Design

Boll, S., Breunig, M., Davies, N., Jensen, C. S., König-Ries, B., Malaka, R., Matthes, F., Panayiotou, C., Saltenis, S. & Schwarz, T., 2004, Dagstuhl Seminar 04441 on Mobile Information Management. 8 p.

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

Application programs
225 Downloads (Pure)

Towards A Streams-Based Framework for Defining Location-Based Queries

Huang, X. & Jensen, C. S., 2004, Proceedings of the Second International Workshop on Spatio-Temporal Database Management. Sander, J. & Nascimento, M. A. (eds.). p. 73-80 8 p.

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

Open Access
File
Semantics
Processing

Towards a Web Accessibility Monitor

Snaprud, M. H., Jensen, C. S., Ulltveit-Moe, N., Nytun, J. P., Rafoshei-Klev, M. E., Sawicka, A. & Hanssen, Ø., 2002, Proceedings of the Second European Medical and Biological Engineering Conference, Vienna, Austria, Dec. 4-8, 2002. p. 2

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

24 Citations (Scopus)

Towards context-aware search and analysis on social media data

Derczynski, L. R. A., Yang, B. & Jensen, C. S., 2 May 2013, Advances in Database Technology - EDBT 2013: 16th International Conference on Extending Database Technology, Proceedings. p. 137-142 6 p.

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

Epidemiology
Social sciences
Metadata
Data acquisition
Industry
2 Citations (Scopus)

Towards Fully Organic Indoor Positioning

Radaelli, L. & Jensen, C. S., 2013, Proceedings of the Fifth ACM SIGSPATIAL International Workshop on Indoor Spatial Awareness. Tomko, M., Bell, S. & Li, K-J. (eds.). Association for Computing Machinery, p. 16-20 6 p.

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

3 Citations (Scopus)

Towards General Temporal Aggregation: 25th British National Conference on Databases, BNCOD 25, Cardiff, UK, July 7-10, 2008. Proceedings

Boehlen, M. H., Gamper, J. & Jensen, C. S., 2008, Sharing Data, Information and Knowledge: 25th British National Conference on Databases, BNCOD 25, Cardiff, UK, July 7-10, 2008 : Proceedings. Springer, p. 257-269 (Lecture Notes in Computer Science; No. 5071).

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

data management
3 Citations (Scopus)
359 Downloads (Pure)

Towards Location-Based Access Control in Healthcare Emergency Response

Vicente, C. R., Kirkpatrick, M., Ghinita, G., Bertino, E. & Jensen, C. S., 2009, Proceedings of the 2nd SIGSPATIAL ACM GIS 2009 International Workshop on Security and Privacy in GIS and LBS. Damiani, M. L. & Saygin, Y. (eds.). Association for Computing Machinery, Vol. 2. p. 22-26 5 p. (Geographic Information Systems; No. 2).

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

Open Access
File
Access control

Towards Virtual Worlds and Augmented Realities: A Research Agenda

Jensen, C. S., Nytun, J. P. & Snaprud, M., 2002, Pätzhold, M. (ed.). p. 19-22

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

Trajectory Based Optimal Segment Computation in Road Network Databases

Li, X., Ceikuté, V., Jensen, C. S. & Tan, K-L., 2013, Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. Association for Computing Machinery, p. 386-389 4 p.

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

26 Citations (Scopus)

Transaction Timestamping in (Temporal) Databases

Jensen, C. S. & Lomet, D., 2001, Proceedings of the 27th International Conference on Very Large Databases, Rome, Italy, September 11-14, 2001. p. 441-450

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

TransDB - GPS Data Management with Applications in Collective Transport

Jensen, C. S. & Tiesyte, D., 2008, Proceedings of the First International  Workshop on Computational Transportation Science. 6 p.

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

Information management
Global positioning system
Information systems
Communication
Travel time
13 Citations (Scopus)

TRAX - Real-World Tracking of Moving Objects

Jensen, C. S. & Pakalnis, S., 2007, Proceedings of the Thirtythird International Conference on Very Large Data Bases, Vienna, Austria. p. 1362-1365

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

Query processing
Communication
Costs

Tutorial G: Temporal Databases

Jensen, C. S. & Snodgrass, R. T., 1995, 21st International Conference on Very Large Data Bases. p. 81-

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

Tutorial on Temporal Databases

Jensen, C. S. & Snodgrass, R. T., 1996, Twelfth International Conference on Data Engineering. p. 87-

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

22 Citations (Scopus)

Using Abstractions for Spatio-Temporal Conceptual Modeling

Tryfona, N. & Jensen, C. S., 2000, Proceedings of the 2000 ACM Symposium on Applied Computing, Villa Olmo, Como, Italy, March 2000. p. 313-322

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

7 Citations (Scopus)

Using Cameras to Improve Wi-Fi Based Indoor Positioning

Radaelli, L., Moses, Y. & Jensen, C. S., 2014, Web and Wireless Geographical Information Systems: 13th International Symposium, W2GIS 2014, Seoul, South Korea, May 29-30, 2014. Proceedings. Pfoser, D. & Li, K-J. (eds.). Springer Publishing Company, Vol. 8470. p. 166-183 (Lecture Notes in Computer Science).

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

3 Citations (Scopus)

Using the Lock Manager to Choose Timestamps

Lomet, D., Snodgrass, R. T. & Jensen, C. S., 2005, Proceedings of the Nineth International Database Engineering and Applications Symposium. p. 357-368

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

Managers
Semantics
11 Citations (Scopus)

Vehicle Routing With User-Generated Trajectory Data

Ceikute, V. & Jensen, C. S., Jun 2015, Proceedings of the Sixteenth IEEE International Conference on Mobile Data Management. IEEE, Vol. 1. p. 14-23

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

3 Citations (Scopus)

VIPTRA: Visualization and Interactive Processing on Big Trajectory Data

Ding, X., Chen, R., Chen, L., Gao, Y. & Jensen, C. S., 13 Jul 2018, Proceedings - 2018 IEEE 19th International Conference on Mobile Data Management, MDM 2018. IEEE, p. 290-291 2 p.

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

Visualization
Trajectories
Processing
Demonstrations
Location based services
2 Citations (Scopus)

When the Internet Hits the Road

Jensen, C. S., 2007, Proceedings of the Twelfth GI-Fachtagung für Datenbanksysteme in Business, Technologie und Web. Koellen Verlag, p. 2-16 (Lecture Notes in Informatics; No. 103).

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

Internet
Information management
Mobile phones
Mobile devices
Communication
23 Citations (Scopus)

Workload-Aware Indexing of Continuously Moving Objects

Tzoumas, K., Yiu, M. L. & Jensen, C. S., 2009, Proceedings of the VLDB Endowment. Association for Computing Machinery, p. 1186-1197 12 p.

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

Location based services
Information management
Telecommunication networks
Costs
Sensors
Book

A Component-Based Conceptual Model for Spatiotemporal Application Design

Tryfona, N. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Chorochronos Technical Report; No. CH-98-10).

Research output: Book/ReportBookResearch

A Conceptual Modeling Language for Spatiotemporal Applications

Price, R., Tryfona, N. & Jensen, C. S., 1999, Aalborg: Aalborg Universitetsforlag. (Chorochronos Technical Report; No. CH-99-20).

Research output: Book/ReportBookResearch

Adding Transaction Time to SQL/Temporal

Snodgrass, R. T., Böhlen, M. H., Jensen, C. S. & Steiner, A., 1996, (ANSI X3H2-96-502r2, ISO/IEC JTC1/SC21/WG3 DBL MC1-147r2 : International Organization for Standardization).

Research output: Book/ReportBookResearch

Adding Valid Time to SQL/Temporal: ANSI Expert's Contribution

Snodgrass, R. T., Böhlen, M. H., Jensen, C. S. & Steiner, A., 1996, (ANSI X3H2-96-501rl, ISO/IEC JTC1/SC21/WG3 DBL MAD-146r2 : International Organization for Standardization).

Research output: Book/ReportBookResearch

Advances in Database technology - EDBT 2002: Proceedings from the 8th International Conference on Extending Database Technology, Prague, Czech Republic, March 25-27 2002

Jensen, C. S., Jeffrey, K., Pokorny, J., Saltenis, S., Bertino, E., Böohm, K. & Jarke, M., 2002, Berlin: IEEE Computer Society Press. 776 p. (Lecture Notes in Computer Science; No. 2287).

Research output: Book/ReportBookResearch

A Foundation for Conventional and Temporal Query Optimization

Slivinskas, G., Jensen, C. S. & Snodgrass, R. T., 2000, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-49).

Research output: Book/ReportBookResearch

An Algebra for TSQL2

Soo, M. D., Jensen, C. S. & Snodgrass, R. T., 1994, Aalborg: Aalborg Universitetsforlag. (R : Institut for Elektroniske Systemer, Aalborg Universitet; No. R94-2053).

Research output: Book/ReportBookResearch

An Evaluation of TSQL2

Snodgrass, R. T., Ahn, I., Ariav, G., Bayer, P., Clifford, J., Dyreson, C. E., Grandi, F., Hermosilla, L., Jensen, C. S., Käfer, W., Kline, N., Kulkarni, K., Leung, T. Y. C., Lorentzos, N., Mitsopoulos, Y., Roddick, J. F., Soo, M. D. & Sripada, S. M., 1994, Aalborg: Aalborg Universitetsforlag.

Research output: Book/ReportBookResearch

A Notation for Spatiotemporal Queries

Tsotras, V., Jensen, C. S. & Snodgrass, R. T., 1997, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-10).

Research output: Book/ReportBookResearch

Capturing and Querying Multiple Aspects of Semistructured Data

Dyreson, C. E., Böhlen, M. H. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-36).

Research output: Book/ReportBookResearch

Change Proposal for SQL/Temporal: Adding Valid Time-Part A

Snodgrass, R. T., Böhlen, M. H., Jensen, C. S. & Steiner, A., 1995, Aalborg: Aalborg Universitetsforlag. (R : Institut for Elektroniske Systemer, Aalborg Universitet; No. R95-2024).

Research output: Book/ReportBookResearch

Conceptual Modeling of Time-Varying Information

Gregersen, H. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-35).

Research output: Book/ReportBookResearch

Conceptual Modeling Spatiotemporal Applications

Tryfona, N. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Chorochronos Technical Report; No. CH-98-8).

Research output: Book/ReportBookResearch

Correct and Efficient Timestamping of Temporal Data

Torp, K., Snodgrass, R. T. & Jensen, C. S., 1997, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-4).

Research output: Book/ReportBookResearch

Det begynder i skolen - En ATV-rapport om naturfagenes vilkår og fremtidige udviklingsmuligheder i grundskolen

Translated title of the contribution: Det begynder i skolen - En ATV-rapport om naturfagenes vilkår og fremtidige udviklingsmuligheder i grundskolenBohm, M., Bonnerup, E., Elberling, C., Jensen, C. S., Knudsen, C. P., Leffland, L., Lund, H. H., Olsen, N., Pallesen, L. & Sørensen, K., 2004, Akademiet for de Tekniske Videnskaber. 81 p.

Research output: Book/ReportBookResearch

Rapport

Efficient Differential Timeslice Computation

Torp, K., Mark, K. L. & Jensen, C. S., 1994, Aalborg: Aalborg Universitetsforlag. (R : Institut for Elektroniske Systemer, Aalborg Universitet; No. R94-2055).

Research output: Book/ReportBookResearch

73 Citations (Scopus)

Efficient Tracking of Moving Objects with Precision Guarantees

Civilis, A., Jensen, C. S., Nenortaite, J. & Palalnis, S., 2004, 23 p. (1DB Technical Report; No. TR-5).

Research output: Book/ReportBookResearch

Location based services
Consumer electronics
Global positioning system
Railroad cars
Communication

Enhancing an Extensible Query Optimizer with Support for Multiple Equivalence Types

Slivinskas, G. & Jensen, C. S., 2002, Aalborg: Aalborg Universitet. 21 p. (TimeCenter Technical Report; No. TR-70).

Research output: Book/ReportBookResearch

Evaluating and Enhancing the Completeness of TSQL2

Böhlen, M., Jensen, C. S. & Snodgrass, R. T., 1995, USA: University of Arizona. (R-95-5).

Research output: Book/ReportBookResearch

Extending Existing Dependency Theory to Temporal Databases

Jensen, C. S., Snodgrass, R. T. & Soo, M. D., 1994, Aalborg: Aalborg Universitetsforlag. (R : Institut for Elektroniske Systemer, Aalborg Universitet; No. R94-2050).

Research output: Book/ReportBookResearch

122 Downloads (Pure)

Extending OLAP Querying to External Object

Pedersen, T. B., Shoshani, A., Gu, J. & Jensen, C. S., 2000, Department of Computer Science: Aalborg Universitetsforlag. 22 p. (Technical Report; No. 00-5002).

Research output: Book/ReportBookResearch

Open Access
File
Processing
Agglomeration
Data integration
Data structures
Semantics
223 Downloads (Pure)

Extending Practical Pre-Aggregation in On-Line Analytical Processing

Pedersen, T. B., Jensen, C. S. & Dyreson, C. E., 1999, Department of Computer Science: Aalborg Universitetsforlag. 33 p. (Technical Report; No. 99-5004).

Research output: Book/ReportBookResearch

Open Access
File
Agglomeration
Processing
Health care
Computational complexity
Costs