1994 …2020
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Publikationer 1994 2019

2003
135 Citationer (Scopus)

Supporting Frequent Updates in R-Trees: A Bottom-Up Approach

Lee, M. L., Hsu, W., Jensen, C. S., Cui, B. & Teo, K. L., 2003, Proceedings of the Twentynineth International Conference on Very Large Data Bases, Berlin, Germany, September 9–11. s. 608-619

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Temporal Databases

Bøhlen, M. H. & Jensen, C. S., 2003, I : Encyclopedia of Information Systems, Academic Press, Inc. 4, s. 437-453

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

The INFATI Data

Jensen, C. S., Lahrmann, H., Pakalnis, S. & Madsen, J. R., 2003, s. 8.

Publikation: Working paperForskning

2004

A Framework for Conceptual Modeling of Geographic Data Quality

Friis-Christensen, A., Christensen, J. V. & Jensen, C. S., 2004, Proceedings of the Eleventh International Symposium on Spatial Data Handling. Springer, s. 605-616

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Unified Modeling Language
Location based services
Consumer electronics
Global positioning system
Railroad cars

Conceptual Modeling of Time-Varying Information

Gregersen, H. & Jensen, C. S., 2004, Proceedings of the International Conference on Computing, Communications and Control Technologies. s. 248-255

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Semantics
Industry
21 Citationer (Scopus)

Database Aspects of Location-Based Services

Jensen, C. S., 2004, Location-Based Services. Schiller, J. & Voisard, A. (red.). Morgan Kaufmann, s. 115-147 33 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingBidrag til bog/antologiForskning

infrastructure
management
travel

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

Bohm, 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 s.

Publikation: Bog/antologi/afhandling/rapportBogForskning

Rapport
74 Citationer (Scopus)

Efficient Tracking of Moving Objects with Precision Guarantees

Civilis, A., Jensen, C. S., Nenortaite, J. & Palalnis, S., 2004, Proceedings of the First Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services. IEEE Computer Society Press, s. 164-173

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Location based services
Consumer electronics
Global positioning system
Railroad cars
Communication
74 Citationer (Scopus)

Efficient Tracking of Moving Objects with Precision Guarantees

Civilis, A., Jensen, C. S., Nenortaite, J. & Palalnis, S., 2004, 23 s. (1DB Technical Report; Nr. TR-5).

Publikation: Bog/antologi/afhandling/rapportBogForskning

Location based services
Consumer electronics
Global positioning system
Railroad cars
Communication
10 Citationer (Scopus)

Enabling Routes as Context in Mobile Services

Brilingaite, A., Jensen, C. S. & Zokaite, N., 2004, Proceedings of the Twelfth ACM International Symposium on Advances in Geographic Information Systems. Association for Computing Machinery, s. 127-136

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Global positioning system
Electronic equipment
Communication

Indeterminacy and Spatiotemporal Data: the Moving Point Object Case

Pfoser, D., Tryfona, N. & Jensen, C. S., 2004, (Computer Technology Institute Technical Report; Nr. 2004/02/03).

Publikation: Bog/antologi/afhandling/rapportBogForskning

Indexing the Past, Present and Anticipated Future Positions of Moving Objects

Pelanis, M., Saltenis, S. & Jensen, C. S., 2004, 30 s. (TimeCenter Technical Report; Nr. TR-78).

Publikation: Bog/antologi/afhandling/rapportBogForskning

Monitoring
Communication
9 Citationer (Scopus)

Modification Semantics in Now-Relative Databases

Torp, K., Jensen, C. S. & Snodgrass, R. T., 2004, I : Information Systems. 29, 8, s. 653-683

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

91 Citationer (Scopus)

Multidimensional Data Modeling For Location-Based Services

Jensen, C. S., Kligys, A., Pedersen, T. B. & Timko, I., 2004, I : VLDB Journal. 13, 1, s. 1-21 21 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Location based services
Data structures
Data warehouses
Query languages
Agglomeration

Query and Update Efficient B+-Tree Based Indexing of Moving Objects

Jensen, C. S., Lin, D. & Ooi, B. C., 2004, Proceedings of the Thirtieth International Conference on Very Large Data Bases. s. 768-779 12 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Linearization
Information management
Monitoring
Sensors
Costs

Research Issues in Mobile Querying

Breunig, M., Jensen, C. S., Klein, M., Zeitz, A., Koloniari, G., Grünbauer, J., Marrón, P. J., Panieyiotoa, C., Boll, S., Saltenis, S., Sattler, K-U., Hauswirth, M., Lehner, W. & Wolfson, O., 2004, I : Dagstuhl Seminar Proceedings. 6 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskning

Summary

Supporting Frequent Updates in R-Trees: A Bottom-Up Approach

Lee, M. L., Hsu, W., Jensen, C. S., Cui, B. & Teo, K. L., 2004, 23 s. (1DB Technical Report; Nr. TR-6).

Publikation: Bog/antologi/afhandling/rapportBogForskning

Information management
Throughput
Hardware
Data storage equipment
Sensors

The INFATI Data

Jensen, C. S., Lahrmann, H. S., Palalnis, S. & Runge, J., 2004, 10 s. (TimeCenter Technical Report; Nr. TR-79).

Publikation: Bog/antologi/afhandling/rapportBogForskning

Query processing
Global positioning system
Railroad cars

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 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Application programs
227 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. (red.). s. 73-80 8 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Åben adgang
Fil
Semantics
Processing
2005
6 Citationer (Scopus)

A Conceptual Schema Language for the Management of Multiple Representations of Geographic Entities

Friis-Christensen, A., Jensen, C. S., Nytun, J. P. & Skogan, D., 2005, I : Transactions in GIS. 9, 3, s. 345-380

Publikation: Bidrag til tidsskriftTidsskriftartikelForskning

modeling

Advanced Tracking of Vehicles

Jensen, C. S., Li, K-J., Pakalnis, S. & Saltenis, S., 2005, Proceedings of the Fifth European Congress and Exhibition on Intelligent Transport Systems. 12 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Servers
Consumer electronics
Sampling
Communication
Testing
4 Citationer (Scopus)

An apples-to-apples comparison of two database journals

Jensen, C. S., Bernstein, P. A., Bertino, E., Heuer, A., Meyer, H., Özsu, M. T., Snodgrass, R. T. & Whang, K-Y., 2005, I : SIGMOD record. 34, 4, s. 61-64

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

6 Citationer (Scopus)

Database Publication Practices

Bernstein, P. A., DeWitt, D., Heuer, A., Ives, Z., Jensen, C. S., Meyer, H., Özsu, M. T., Snodgrass, R. T., Whang, K-Y. & Widom, J., 2005, Proceedings of the Thirtyfirst International Conference on Very Large Data Bases. s. 1241-1246

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

transaction
56 Citationer (Scopus)

Dimensional Modeling By Using a New Response to Slowly Changing Dimensions

Frank, L., Frank, C., Jensen, C. S. & Pedersen, T. B., 2005, Proceedings of the Second International Conference on Information Technology. s. 7-10

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Agglomeration
Data warehouses

Efficient Indexing of the Historical, Present, and Future Positions of Moving Objects

Lin, D., Jensen, C. S., Ooi, B. C. & Saltenis, S., 2005, Proceedings of the Sixth International Conference on Mobile Data Management. s. 59-66

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Experiments

Efficient Management of Short-Lived Data

Schmidt, A. & Jensen, C. S., 2005, 24 s. (TimeCenter Technical Report; Nr. TR-82).

Publikation: Bog/antologi/afhandling/rapportRapportForskning

tagging
connectivity
experimental study
sensor
attribute

Enabling Routes as Context in Mobile Services

Brilingaite, A., Jensen, C. S. & Zokaite, N., 2005, Aalborg: Aalborg Universitet. 42 s. (1DB Technical Report; Nr. TR-9).

Publikation: Bog/antologi/afhandling/rapportRapportForskning

Global positioning system
Electronic equipment
Communication
23 Citationer (Scopus)

Indeterminacy and Spatiotemporal Data: Basic Definitions and Case Study

Pfoser, D., Tryfona, N. & Jensen, C. S., 2005, I : Geoinformatica. 9, 3, s. 211-236

Publikation: Bidrag til tidsskriftTidsskriftartikelFormidling

management
uncertainty
land information system
basic concept
information system

IT-Driven Customer Service or Customer-Driven IT Service: Does IT Matter?

Damsgaard, J., Hørlück, J. & Jensen, C. S., 2005, European Case Clearing House. 24 s.

Publikation: Bog/antologi/afhandling/rapportKompendium/lecture notesUndervisning

IT services
Customer service
Financial institutions
World Wide Web
IT infrastructure
57 Citationer (Scopus)

Join Operations in Temporal Databases

Gao, D., Jensen, C. S., Snodgrass, R. T. & Soo, M. D., 2005, I : VLDB Journal. 14, 1, s. 2-29

Publikation: Bidrag til tidsskriftTidsskriftartikelFormidling

Mathematical operators

Multidimensional Databases

Pedersen, T. B. & Jensen, C. S., 2005, Industrial Information Technology Handbook. Zurawski, R. (red.). CRC Press

Publikation: Bidrag til bog/antologi/rapport/konference proceedingBidrag til bog/antologiForskning

Proceedings of the 31st International Conference on Very Large Data Bases, August 30 - September 02 2005, Trondheim, Norway

Böhm, K. (red.), Jensen, C. S. (red.), Haas, L. M. (red.), Kersten, M. L. (red.), Larson, P. -Å. (red.) & Ooi, B. C. (red.), 2005, Association for Computing Machinery.

Publikation: Bog/antologi/afhandling/rapportBogFormidling

146 Citationer (Scopus)

Techniques for efficient road-network-based tracking of moving objects

Civilis, A., Jensen, C. S. & Pakalnis, S., 2005, I : IEEE Transactions on Knowledge and Data Engineering. 17, 5, s. 698-712

Publikation: Bidrag til tidsskriftTidsskriftartikelFormidling

Global positioning system
Location based services
Consumer electronics
Communication

Techniques for Efficient Tracking of Road-Network-Based Moving Objects

Civilis, A., Jensen, C. S. & Saltenis, S., 2005, Aalborg: Aalborg Universitet. 37 s. (1DB Technical Report; Nr. TR-10).

Publikation: Bog/antologi/afhandling/rapportRapportForskning

Global positioning system
Location based services
Consumer electronics
Communication
53 Citationer (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. (red.). 3633 udg. IEEE Computer Society Press, s. 73-90 18 s. (Lecture Notes in Computer Science; Nr. 3633).

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Information management
Program processors
19 Citationer (Scopus)

Trajectory Indexing Using Movement Constraints

Pfoser, D. & Jensen, C. S., 2005, I : Geoinformatica. 9, 2, s. 93-115

Publikation: Bidrag til tidsskriftTidsskriftartikelFormidling

indexing
trajectory
Trajectories
road network
proliferation
3 Citationer (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. s. 357-368

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Managers
Semantics
2006

05421 Abstracts Collection - Data Always and Everywhere

Alonso, G., Jensen, C. S. & Mitschang, B., 2006, Dagstuhl Seminar Procedings. Dagstuhl, Germany, 19 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceabstrakt i proceedingForskning

Research
6 Citationer (Scopus)

An Algebraic Framework for Temporal Attribute Characteristics

Böhlen, M. H., Gamper, J. & Jensen, C. S., 2006, I : Annals of Mathematics and Artificial Intelligence. 46, 3, s. 349-374 26 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Attribute
Query languages
Semantics
Query Language
Information management

Data Always and Everywhere: Management of Mobile, Ubiquitous, Pervasive, and Sensor Data

Alonso, G., Jensen, C. S. & Mitschang, B., 2006, Dagstuhl Seminar Proceedings. 6 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskning

Data Always and Everywhere -- Management of Mobile, Ubiquitous, Pervasive, and Sensor Data: Dagstuhl Seminar Proceedings 05421

Alonso, G., Jensen, C. S. & Mitschang, B., 2006, I : Dagstuhl Seminar Proceedings. 37 s.

Publikation: Bidrag til tidsskriftKonferenceartikel i tidsskriftForskningpeer review

69 Citationer (Scopus)

Effective Density Queries of Continuously Moving Objects

Jensen, C. S., Lin, D., Ooi, B. C. & Zhang, R., 2006, Proceedings of the Twentysecond International Conference on Data Engineering. 11 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Location based services
Traffic control
Control systems

Efficient Maintenance of Ephemeral Data

Schmidt, A. & Jensen, C. S., 2006, Proceedings of the Eleventh International Conference on Database Systems for Advanced Applications. Springer, s. 141-155 (Lecture Notes in Computer Science; Nr. 3882).

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

tagging
connectivity
experimental study
sensor
attribute

Efficient Similarity Retrieval in Music Databases

Ruxanda, M. M. & Jensen, C. S., 2006, Proceedings of the 13th International Conference on Management of Data. s. 56-67 12 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Time series
2 Citationer (Scopus)

Expiration Times for Data Management

Schmidt, A., Jensen, C. S. & Saltenis, S., 2006, Proceedings of the 22nd International Conference on Data Engineering, 2006. ICDE '06. Electrical Engineering/Electronics, Computer, Communications and Information Technology Association, s. 36- 11 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

Information management
World Wide Web
Mobile devices
Web services
Algebra

Foreword

Chrysanthis, P. K., Jensen, C. S., Kumar, V. & Labrinidis, A., 2006, Proceedings of the Fifth ACM International Workshop on Data Engineering for Wireless and Mobile Access. June 25 udg. New York, NY, USA: Association for Computing Machinery, Bind 617063. s. iii

Publikation: Bidrag til bog/antologi/rapport/konference proceedingForord/Indledning/efterskriftForskning

data management
engineering
networking
probe
sensor
2 Citationer (Scopus)

Geo-Enabled, Mobile Services: A Tale of Routes, Detours, and Dead Ends

Jensen, C. S., 2006, Proceedings of The Eleventh International Conference on Database Systems for Advanced Applications. Springer, s. 6-19 14 s. (Lecture Notes in Computer Science; Nr. 3882).

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

infrastructure
management
community
experience

GPS Based Tracking of Mobile Objects

Jensen, C. S. & Torp, K., 2006, I : Geoforum Perspektiv. 73, s. 21-26 6 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

7 Citationer (Scopus)

How Would You Like to Aggregate Your Temporal Data?

Böhlen, M. H., Gamper, J. & Jensen, C. S., 2006, Proceedings of the Thirteenth International Symposium on Temporal Representation and Reasoning. Electrical Engineering/Electronics, Computer, Communications and Information Technology Association, s. 121-136 16 s.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

data management