• 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

1998
379 Downloads (Pure)

Clinical Data Warehousing - A Survey

Pedersen, T. B. & Jensen, C. S., 1998, Proceedings of the VIII Mediterannean Conference on Medical and Biological Engineering and Computing. University of Cyprus, p. 20

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

Open Access
File
Data warehouses
Health care
Costs
Industry

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

5 Citations (Scopus)

Efficient Differential Timeslice Computation

Torp, K., Mark, L. & Jensen, C. S., 1998, In : IEEE Transactions on Knowledge and Data Engineering. 10, 4, p. 599-611

Research output: Contribution to journalJournal articleResearchpeer-review

Incremental Join of Time-Oriented Data

Pfoser, D. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-34).

Research output: Book/ReportBookResearch

Mapping Temporal ER Diagrams to Relational Schemas

Gregersen, H., Mark, L. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-39).

Research output: Book/ReportBookResearch

Multidimensional Data Modeling for Complex Data

Pedersen, T. B. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-37).

Research output: Book/ReportBookResearch

Oplæg til Nykredit Center for Databaseforskning

Jensen, C. S., Mark, L. & Mathiassen, L., 1998, Aalborg: Aalborg Universitetsforlag. (IR : Institut for Elektroniske Systemer. Afdeling for Kommunikationsteknologi, Aalborg Universitet; No. IR98-5001).

Research output: Book/ReportBookResearch

59 Citations (Scopus)

Point versus Interval-based Temporal Data Models

Böhlen, M., Busatto, R. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-21).

Research output: Book/ReportBookResearch

59 Citations (Scopus)

Point versus Interval-based Temporal Data Models

Busatto, R., Böhlen, M. & Jensen, C. S., 1998, Proceedings of the 14th IEEE International Conference on Data Engineering, February 23-27, 1998, Orlando, Florida. p. 192-200

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

44 Citations (Scopus)
416 Downloads (Pure)

Research Issues in Clinical Data Warehousing

Pedersen, T. B. & Jensen, C. S., 1998, Proceedings of the Tenth International Conference on Statistical and Scientific Database Management. p. 43-52

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

Open Access
File
Data warehouses
Data structures

R-tree Based Indexing of Now-Relative Bitemporal Data

Bliujute, R., Jensen, C. S., Saltenis, S. & Slivinskas, G., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-25).

Research output: Book/ReportBookResearch

R-tree-based Indexing of Now-Relative Bitemporal Data

Bliujute, R., Jensen, C. S., Saltenis, S. & Slivinskas, G., 1998, Proceedings of the 24th International Conference on Very Large Databases, August 24-27, 1998, New York City. p. 345-356

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

23 Citations (Scopus)

Spatio-Temporal Database Support for Legacy Applications

Böhlen, M., Jensen, C. S. & Skjellaug, B., 1998, Proceedings of the 1998 ACM Symposium on Applied Computing, February 27-March 1, 1998, Atlanta, Georgia. p. 226-234

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

16 Citations (Scopus)

Supporting Temporal Data Management Applications via Stratum Approaches

Torp, K., Jensen, C. S. & Snodgrass, R. T., 1998, Proceedings of the 1998 International Database Engineering and Applications Symposium, July 8-10, 1998, Cardiff, Wales. p. 4-13

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

Systematic Change Management in Dimensional Data Warehousing

Bliujute, R., Saltenis, S., Slivinskas, G. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-23).

Research output: Book/ReportBookResearch

Systematic Change Management in Dimensional Data Warehousing

Bliujute, R., Saltenis, S., Slivinskas, G. & Jensen, C. S., 1998, Proceedings of the 3rd International Baltic Workshop on DB and IS, April 15-17, 1998, Riga, Latvia. p. 27-41

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

Transitioning Temporal Support in TSQL2 to SQL3

Snodgrass, R. T., Böhlen, M., Jensen, C. S. & Steiner, A., 1998, Temporal Databases : Research and Practice : Proceedings of the Dagstuhl Seminar on Temporal Databases, Schloss Dagstuhl, Germany, June 23-27, 1997. Etzion, O. : Jajodia, S. : Stripada, S. (eds.) (ed.). Berlin: IEEE Computer Society Press, p. 150-194 (Lecture Notes in Computer Science; No. 1399).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch

Vacuuming Temporal Databases

Skyt, J. & Jensen, C. S., 1998, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-32).

Research output: Book/ReportBookResearch

1997

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

Conceptual Design of Spatio-Temporal Applications: Requirements and Solutions (extended abstract)

Tryfona, N. & Jensen, C. S., 1997, Proceedings of the 1st Chorochronos Intensive Workshop on Spatio-Temporal Database Systems, Petronell-Carnuntum, Austria, November 13-15, 1997.

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

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

Evaluating Temporally Extended ER-Models

Gregersen, H., Jensen, C. S. & Mark, L., 1997, Proceedings of the CAiSE'97/IFIP 8.1 International Workshop on Evaluation of Modeling Methods in Systems Analysis and Design, June 16-17, 1997, Barcelona, Spain.

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

Layered Temporal DBMSs - Concepts and Techniques

Torp, K., Jensen, C. S. & Böhlen, M., 1997, Proceedings of the 5th International Conference on Database Systems for Advanced Applications, April 1-4, 1997, Melbourne, Australia. p. 37-380

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

20 Citations (Scopus)

Notions of Upward Compability of Temporal Query Languages

Bair, J., Böhlen, M., Jensen, C. S. & Snodgrass, R. T., 1997, In : Wirtschaftsinformatik. 39, 1, p. 25-34

Research output: Contribution to journalJournal articleResearchpeer-review

91 Citations (Scopus)

On the Semantics of "Now" in Databases

Clifford, J., Dyreson, C., Isakowitz, T., Jensen, C. S. & Snodgrass, R. T., 1997, In : ACM Transactions on Database Systems. 22, 2, p. 171-214

Research output: Contribution to journalJournal articleResearchpeer-review

Spatio-Temporal Database Support for Legacy Applications

Böhlen, M., Jensen, C. S. & Skjellaug, B., 1997, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-20).

Research output: Book/ReportBookResearch

Stratum Approaches to Temporal DBMS Implementation

Torp, K., Jensen, C. S. & Snodgrass, R. T., 1997, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-5).

Research output: Book/ReportBookResearch

Temporal Data Management

Jensen, C. S. & Snodgrass, R. T., 1997, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-17).

Research output: Book/ReportBookResearch

TimeCenter Prospectus

Jensen, C. S. & Snodgrass, R. T., 1997, Aalborg: Aalborg Universitetsforlag. (Technical Report).

Research output: Book/ReportBookResearch

Transitioning Temporal Support in TSQL2 to SQL3

Snodgrass, R. T., Böhlen, M., Jensen, C. S. & Steiner, A., 1997, Aalborg: Aalborg Universitetsforlag. (Technical Report; No. TR-8).

Research output: Book/ReportBookResearch

1996

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

Change Proposal to SQL/Temporal: Adding Transaction Time to SQL/Temporal

Snodgrass, R. T., Böhlen, M., Jensen, C. S. & Steiner, A., 1996, International Organization for Standardization.

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

Change Proposal to SQL/Temporal: Adding Valid Time to SQL/Temporal

Snodgrass, R. T., Böhlen, M., Jensen, C. S. & Steiner, A., 1996, International Organization for Standardization.

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

Database Systems

Jensen, C. S., Bækgaard, L. & Böhlen, M. H., 1996, Computer Science, Aalborg University - Research Evaluation 1991-1995. Jensen, C. S. (ed.) (ed.).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch

54 Citations (Scopus)

Extending Existing Dependency Theory to Temporal Databases

Jensen, C. S., Snodgrass, R. T. & Soo, M. D., 1996, In : IEEE Transactions on Knowledge and Data Engineering. 8, 4, p. 563-582

Research output: Contribution to journalJournal articleResearchpeer-review

66 Citations (Scopus)

Semantics of Time-Varying Information

Jensen, C. S. & Snodgrass, R. T., 1996, In : Information Systems. 21, 4, p. 311-352

Research output: Contribution to journalJournal articleResearchpeer-review

66 Citations (Scopus)

Semantics of Time-Varying Information

Jensen, C. S. & Snodgrass, R. T., 1996, Aalborg: Aalborg Universitetsforlag. (R : Institut for Elektroniske Systemer, Aalborg Universitet; No. R96-2008).

Research output: Book/ReportBookResearch

Temporal Entity-Relationship Models: a Survey

Gregersen, H. & Jensen, C. S., 1996, Aalborg: Aalborg Universitetsforlag. (R : Institut for Elektroniske Systemer, Aalborg Universitet; No. R96-2039).

Research output: Book/ReportBookResearch

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

1995

An Algebra for TSQL2

Soo, M. D., Jensen, C. S. & Snodgrass, R. T., 1995, The TSQL2 Temporal Query Language. Snodgrass, R. T. (ed.) (ed.).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterCommunication

An Architectural Framework

Soo, M. D., Jensen, C. S. & Snodgrass, R. T., 1995, The TSQL2 Temporal Query Language. Snodgrass, R. T. (ed.) (ed.).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch

A Second Example

Snodgrass, R. T., Jensen, C. S., Dyreson, C. E., Käefer, W., Kline, N. & Roddick, J. F., 1995, The TSQL2 Temporal Query Language. Snodgrass, R. T. (ed.) (ed.).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch

Blocking-Gibbs Sampling in Very Large Probalistic Expert Systems

Jensen, C. S., Kong, A. & Kjærulff, U., 1995, In : International Journal of Human-Computer Studies. 42, p. 647-666

Research output: Contribution to journalJournal articleResearchpeer-review

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

Cursors

Jensen, C. S., Snodgrass, R. T. & Leung, T. Y. C., 1995, The TSQL2 Temporal Query Language. Snodgrass, R. T. (ed.) (ed.).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch

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

Evaluating the Completeness of TSQL2

Böhlen, M., Jensen, C. S. & Snodgrass, R. T., 1995, Recent Advances in Temporal Databases : Proceedings of the International Workshop on Temporal Databases, Zürich, Switzerland, 1995. Clifford, J. : Tuzhilin, A. (eds.) (ed.). IEEE Computer Society Press, p. 153-172

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

Language Syntax

Snodgrass, R. T., Ahn, I., Ariav, G., Batory, D. S., Clifford, J., Dyreson, C. E., Elmasri, R., Grandi, F., Jensen, C. S., Käfer, W., Kline, N., Kulkarni, K., Leung, T. Y. C., Lorentzos, N., Roddick, J. F., Segev, A., Soo, M. D. & Sripada, S. M., 1995, The TSQL2 Temporal Query Language. Snodgrass, R. T. (ed.) (ed.).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearch