Home Home Faculty Home Faculty of Computer Science
Free University of Bozen - Bolzano

Database and Information Systems

ABOUT DIS
Staff
Guests
How to reach us
Open Positions

TEACHING
BSc: DB Stream
MSc: DB Stream

COURSES
Advanced Topics in Databases
Advanced Topics in Inf. Systems
Approximation: Theory and Algorithms
Data Management Systems
Data Structures and Algorithms
Data Warehousing/Mining
Distributed Databases
Mobile Services
Seminar in Databases
Temporal and Spatial Databases

RESEARCH
Publications
PhD Projects
Software
Scientific Services
Seminars

RESEARCH PROJECTS
eBZ – 2015
COSPA
3DVDM-DS
Eurescom P817
Chorochronos
XVDM

FACULTY
IT Services
Faculty Council
Regulations

LINKS
DBLP
OnlineLibraries@unibz
G

W

Publications

SIGMOD, VLDB, EDBT, ICDE, TODS

  1. N. Augsten, M. Böhlen, and J. Gamper. An Incrementally Maintainable Index for Approximate Lookups in Hierarchical Data. Proceedings of the 32th International Conference on Very Large Databases, pages 247-258, Seoul, Korea, Sep. 2006. [pdf]
  2. M. H. Böhlen, J. Gamper, C. S. Jensen, Multi-Dimensional Aggregation for Temporal Data, Proceedings of the 10th International Conference on Extending Database Technology, 18 pages, Munich, Germany, 2006. [pdf, the original publication is available at LNCS © Springer-Verlag]
  3. N. Augsten, M. H. Böhlen, J. Gamper, Approximate Matching of Hierarchical Data Using pq-Grams, Proceedings of the 31st International Conference on Very Large Data Bases, pp. 301-312, Trondheim, Norway, September 2005. [pdf]
  4. C. Hage, C. J. Jensen, T. B. Pedersen, L. Speicys, and I. Timko, Integrated Data Management for Mobile Services in the Real World, Proceedings of the 29th International Conference on Very Large Databases (VLDB), Berlin, Germany, September 9-12, 2003, pp. 1019-1030.
  5. M. O. Akinde and M. H. Böhlen, The Efficient Computation of Subqueries in Complex OLAP Queries, Proceedings of the 19th ICDE Conference, 25 pages, Bangalore, India, 2003. [pdf]
  6. M. O. Akinde, M. H. Böhlen, T. Johnson, L. V. S. Lakshmanan, D. Srivastava, Efficient OLAP Query Processing in Distributed Data Warehouses, Proceedings of the VIII Conference on Extending Database Technology 20 pages, Prague, March 2002. [pdf]
  7. J. Chomicki, D. Toman, and M. H. Böhlen, Querying ATSQL Databases with Temporal Logic, ACM Transactions on Database Systems, 32 pages, June 2001. [pdf]
  8. M. Agesen, M. H. Böhlen, L. O. Poulsen, and K. Torp, A Split Operator for Now-Relative Bitemporal Databases, Proceedings of the 17th International Conference on Data Engineering, 10 pages, Heidelberg, Germany, April 2001. [pdf]
  9. M. H. Böhlen, C. S. Jensen, and R. T. Snodgrass, Temporal Statement Modifiers, ACM Transactions on Database Systems, 47 pages, December 2000. [pdf]
  10. R. H. Güting, M. H. Böhlen, M. Erwig, C. S. Jensen, N. Lorentzos, M. Schneider, and M. Vazirgiannis, A Foundation for Representing and Queryig Moving Objects, ACM Transactions on Database Systems, 42 pages, March 2000. [pdf]
  11. C. Dyreson, M. H. Böhlen, and C. S. Jensen, Capturing and Querying Multiple Aspects of Semistructured Data, Proceedings of the 25th International Conference on Very Large Databases, 12 pages, Edinburgh, Scotland, September 1999.
  12. M. O. Akinde, O. G. Jensen, and M. H. Böhlen, Minimizing Detail Data in Data Warehouses, Proceedings of the VI International Conference on Extending Database Technology, Lecture Notes in Computer Science 1377, H.-J. Schek, F. Saltor, I. Ramos, and G. Alonso (Eds.), Springer-Verlag, 15 pages, Valencia, Spain, March 1998. [pdf]
  13. M. H. Böhlen, R. Busatto, and C. S. Jensen, Point-Versus Interval-Based Temporal Data Models, Proceedings of the 14th International Conference on Data Engineering, 9 pages, Orlando, Florida, February 1998.
  14. M. H. Böhlen, R. T. Snodgrass, and M. D. Soo, Coalescing in Temporal Databases, Proceedings of the 22nd International Conference on Very Large Databases, VLDB '96, T. M. Vijayaraman, A. Buchmann, C. Mohan, and N. L. Sarda (eds.), Morgan Kaufmann Publishers, Inc., pp. 180--191, Mumbai (Bombay), India, September 1996.
  15. M. H. Böhlen, J. Chomicki, R. T. Snodgrass, and D. Toman, Querying TSQL2 Databases with Temporal Logic, Proceedings of the 5th International Conference on Extending Database Technology, EDBT '96, Lecture Notes in Computer Science, No 1057, P. Apers and M. Bouzeghoub and G. Gardarin (eds.), Springer-Verlag, pp. 325--341, Avignon, France, March 1996.

Refereed Journals and Proceedings

  1. M. Innerebner, M. H. Böhlen, and I. Timko. A Web-Enabled Extension of a Spatio-Temporal DBMS, Proceedings of the 15th ACM International Symposium on Geographic Information Systems (ACM GIS), pp. 34, November 7-9, 2007, Seattle, Washington.
  2. E. Kondratas and I. Timko. CT-OLAP: Temporal Multidimensional Data Model and Algebra for Moving Objects, Proceedings of ACM 10th International Workshop on Data Warehousing and OLAP (DOLAP), pp. 81-88, November 9, 2007, Lisbon, Portugal.
  3. A. Mazeika, M. H. Böhlen, A. Taliun, Adaptive Density Estimation, Proceedings of the 32nd International Conference on Very Large Data Bases, pp. 1191-1194, Seoul, Korea, September 12-15, 2006. [pdf]
  4. A. Mazeika, M. H. Böhlen, Cleansing Databases of Misspelled Proper Nouns, Proceedings of the First Int'l VLDB Workshop on Clean Databases, CleanDB 2006, 8 pages, Seoul, Korea, September 11, 2006. [pdf]
  5. I. Timko, C. E. Dyreson, and T. B. Pedersen. Pre-Aggregation with Probability Distributions, Proceedings of ACM 9th International Workshop on Data Warehousing and OLAP (DOLAP), pp. 35-42, November 10, 2006, Arlington, VA, USA.
  6. A. Mazeika, J. Petersons, M. H. Böhlen, PPPA: Push and Pull Pedigree Analyzer for Large and Complex Pedigree Databases, Proceedings of the Tenth East-European Conference on Advances in Databases and Information Systems (ADBIS 2006), Lecture Notes in Computer Science, Springer Verlag, Volume 4152/2006, pp. 339-352, Thessaloniki, Greece, September 2006. [the original publication is available at LNCS © Springer Verlag]
  7. R. Kasperovics, M. H. Böhlen, Querying Multi-granular Representation of Temporal Repetition, Proceedings of the 11th International Conference on Database Systems for Advanced Applications (DASFAA 2006), 14 pages, Singapore, April 2006.
  8. M. H. Böhlen, J. Gamper, C. S. Jensen, An Algebraic Framework for Temporal Attribute Characteristics, Journal of Annals of Mathematics and Artificial Intelligence, Springer Science+Business Media B.V., 2006. [pdf, the original publication is available at LNCS © Springer Verlag]
  9. M. H. Böhlen, S. J. Simoff, A. Mazeika, Guided cognition and Validated cognition Approaches in Visual Data Mining, Proceedings of the 11th International Conference on Human-Computer Interaction, 10 pages, Las Vegas, USA, July 2005.
  10. I. Timko, C. E. Dyreson, and T. B. Pedersen, Probabilistic Data Modeling and Querying for Location-Based Data Warehouses, Proceedings of the 17th International Scientific and Statistical Database Management Conference, Santa Barbara, CA, June 27--29, 2005, pp. 273-282.
  11. I. Timko and T. B. Pedersen, Capturing Complex Multidimensional Data for Location-Based Data Warehouses, Proceedings of the 11th ACM International Symposium on Advances in Geographical Information Systems (ACM GIS)}, Washington, DC, USA, November 12-13, 2004, pp. 147-156.
  12. C. S. Jensen, A. Kligys, T. B. Pedersen, and I. Timko. Multidimensional Data Modeling for Location-Based Services. Very Large Databases (VLDB) Journal 13(1): 1-21.
  13. O. G. Jensen and M. H. Böhlen, Lossless Conditional Schema Evolution, Proceedings of the 23rd International Conference on Conceptual Modeling (ER2004), 14 pages, Shanghai, China, 2004.
  14. O. G. Jensen and M. H. Böhlen, Multitemporal Conditional Schema Evolution, Proceedings of the Third International Workshop on Evolution and Change in Data Management (ECDM 2004), Shanghai, China, November 9, 2004
  15. L. Bukauskas, M. H. Böhlen, Query Load Balancing for Incremental Visible Object Extraction, Proceedings of the 8th International Database Engineering & Applications Symposium, IDEAS '04, Coimbra, Portugal, July 2004.
  16. L. Bukauskas, M. H. Böhlen, Incremental Observer Relative Data Extraction, 21st Annual British National Conference on Databases, Edinburgh, Scotland, July 2004.
  17. A. Schmidt, M. H. Böhlen, Parameter Estimation Using B-Trees, Proceedings of the 8th International Database Engineering & Applications Symposium, IDEAS '04, Coimbra, Portugal, July 2004.
  18. C. S. Jensen, J. Kolar, T. B. Pedersen, and I. Timko, Nearest Neighbor Queries in Road Networks, Proceedings of the 11th ACM International Symposium on Advances in Geographical Information Systems (ACM GIS), New Orleans, Louisiana, USA, November 7-8, 2003, pp. 1-8.
  19. C. J. Jensen, T. B. Pedersen, L. Speicys, and I. Timko, Data Management for Mobile Services in the Real World, Proceedings of 8th International Symposium on Spatial and Temporal Databases (SSTD), Santorini, Greece, July 23-27, 2003, pp.1-9.
  20. M. H. Böhlen, A. Juozapavicius, E. Kondratas, A. Mazeika, A. Struk, A Triangular Reconstruction of Density Surfaces, Proceedings of the 3rd International Workshop on Visual Data Mining in conjunction with ICDM 2003 - The Third IEEE International Conference on Data Mining, Melbourne, Florida, USA, November 2003.
  21. L. Bukauskas, L. Mark, E. Omiecinski, M. H. Böhlen, iTopN: An Incremental Approach for N Most Visible Object Extraction, Proceedings of the 2003 ACM CIKM International Conference on Information and Knowledge Management, 8 pages, New Orleans, Louisiana, USA, November 2003.
  22. M. H. Böhlen, L. Bukauskas, P. S. Eriksen, S. L. Lauritzen, A. Mazeika, P. Musaeus, and P. Mylov, 3D Visual Data Mining: Goals and Experiences, Computational Statistics & Data Analysis, Journal of the International Association of Statistical Computing (IASC), 16 pages, Elsevier Science, Volume 43, pp. 445-469, 2003.
  23. M. O. Akinde, M. H. Böhlen, T. Johnson, L. V. S. Lakshmanan, D. Srivastava, Efficient OLAP Query Processing in Distributed Data Warehouses, Information Systems (special issue of best EDBT 2002 papers), 25 pages, Elsevier Science, Volume 28, pp. 111-135, Issue 1-2, March, 2003.
  24. O. G. Jensen and M. H. Böhlen, Current, Legacy, and Invalid Tuples in Conditionally Evolving Databases, Proceedings of the Second Biennial International Conference on Advances in Information Systems, 10 pages, Izmir, Turkey, October 2002.
  25. C. S. Jensen, A. Kligys, T. B. Pedersen, and I. Timko, Multidimensional Data Modeling for Location-Based Services, Proceedings of the 10th ACM International Symposium on Advances in Geographic Information Systems (ACM GIS), VA, USA, November 8-9, 2002, pp. 55-61.
  26. C. Dyreson, M. H. Böhlen, and C. S. Jensen, MetaXPath, Journal of Digital Information, 2(2), December 2001.
  27. C. Dyreson, M. H. Böhlen, and C. S. Jensen, MetaXPath, Proceedings of the DC-2001 International Conference on Dublin Core and Metadata Applications (DC-2001) 7 pages, Tokyo, Japan, October 2001.
  28. A. Mazeika, M. H. Böhlen, and P. Mylov, Using Nested Surfaces to Detect Structures in Databases, Proceedings of the International Workshop on Visual Data Mining, in conjunction with ECML/PKDD2001 - 2nd European Conference on Machine Learning (ECML'01) and 5th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD'01), 12 pages, Freiburg, Germany, September 2001.
  29. M. Akinde and M. H. Böhlen, Generalized MD-joins: Evaluation and Reduction to SQL, Proceedings of the VLDB 2001 Workshop on Databases in Telecommunications, 16 pages, Rome, September 2001. [pdf]
  30. L. Bukauskas and M. H. Böhlen, Observer Relative Data Extraction, Proceedings of the Workshop on Database Support for KDD, in conjunction with the 2nd European Conference on Machine Learning (ECML'01) and 5th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD'01), 12 pages, Freiburg, Germany, September 2001.
  31. A. Mazeika, M. H. Böhlen, and P. Mylov, Density Surfaces for Immersive Explorative Data Analyses, Proceedings of the Workshop on Visual Data Mining, in conjunction with Seventh ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 8 pages, San Francisco, August 2001.
  32. O. G. Jensen and M. H. Böhlen, Evolving Relations, Ninth International Workshop on Foundations of Models and Languages for Data and Objects, Database schema evolution and meta-modeling (DEMM2000), Lecture Notes in Computer Science (2065), H. Balsters, B. de Brock, and S. Conrad (eds), Schloss Dagstuhl, Germany, September 2000.
  33. M. O. Akinde and M. H. Böhlen, Constructing GPSJ View Graphs, Proceedings of the International Workshop on the Design and Management of Data Warehouses (DMDW'99), S. Gatziu, M. Jeusfeld, M. Staudt, Y. Vassiliou Eds.), CEUR-WS/Vol-29, 12 pages, Heidelberg, Germany, June 14-15, 1999.
  34. M. H. Böhlen, L. Bukauskas, and C. Dyreson, The Jungle Database Search Engine, Proceedings of the 1999 ACM SIGMOD International Conference on Management of Data, 3 pages (prototype description), Philadelphia, USA, June 1999.
  35. M. H. Böhlen, C. S. Jensen, and B. Skjellaug, Spatio-Temporal Database Support for Legacy Applications, Proceedings of the 13th Annual ACM Symposium on Applied Computing (SAC '98), 9 pages, February 1998.
  36. K. Torp, C. S. Jensen, and M. H. Böhlen, Layered Temporal DBMS's---Concepts and Techniques, Fifth International Conference on Database Systems for Advanced Applications, DASFAA '97, 10 pages, Melbourne, Australia, April 1997.
  37. J. Bair, M. H. Böhlen, C. S. Jensen, and R. T. Snodgrass, Notions of Upward Compatibility of Temporal Query Languages, Wirtschaftsinformatik, 19 pages, January 1997.
  38. M. H. Böhlen, C. S. Jensen, and R. T. Snodgrass, Evaluating the Completeness of TSQL2, Proceedings of the International Workshop on Temporal Databases, J. Clifford and A. Tuzhilin (eds.), Springer-Verlag, pp. 153--172, Zürich, Switzerland, September 1995.
  39. M. H. Böhlen and R. Marti, On the Completeness of Temporal Database Query Languages, Lecture Notes in Artificial Intelligence, Nr. 827, Proceedings of the First International Conference on Temporal Logic, ICTL '94, D. M. Gabbay and H. J. Ohlbach (eds.), Springer-Verlag, pp. 283-300, Bonn, Germany, July 1994.
  40. M. H. Böhlen and R. Marti, Handling Temporal Knowledge in a Deductive Database System, W. Stucky and A. Oberweis (Editor), Datenbanksysteme in Büro, Technik und Wissenschaft, BTW '93, Springer-Verlag, pp. 334--345, Braunschweig, Germany, March 1993.

e-Learning and e-Government

  1. Nikolaus Augsten, Michael Böhlen, and Johann Gamper. Reducing the integration of public administration databases to approximate tree matching. In proceedings of the Third International Conference on Electronic Government (EGOV 2004). (Abstract)
  2. Andrea Abel, Johann Gamper, Judith Knapp, and Vanessa Weber. Evaluation of the web-based learners dictionary ELDIT. In Proceedings of the World Conference on Educational Multimedia, Hypermedia & Telecomunication (ED-MEDIA 2003), pages 1210-1217, Honolulu, Hawaii, June 2003. (Abstract, full paper)
  3. Andrea Abel, Johann Gamper, Judith Knapp, and Vanessa Weber. Describing verb valency in an electronic learner's dictionary: Linguistic and technical implications. In Proceedings of the World Conference on Educational Multimedia, Hypermedia & Telecommunications (ED-MEDIA 2003), pages 1202-1209, Honolulu, Hawaii, June 2003. (Abstract, full paper)
  4. Andrea Abel, Johann Gamper, Judith Knapp, and Vanessa Weber. New answers to old questions about lexicon acquisition and dictionary use. In Proceedings of the World Conference on Educational Multimedia, Hypermedia & Telecommunications (ED-MEDIA 2003), pages 1218--1224, Honolulu, Hawaii, June 2003. (Abstract, full paper)
  5. Johann Gamper and Judith Knapp. A data model and its implementation for a web-based language learning system. In Proceedings of the 12th International World Wide Web Conference, pages 217-225, Budapest, Hungary, May 2003. (Abstract, full paper)
  6. Johann Gamper and Paolo Dongilli. Towards a portal for minority rights in Europe. In Proceedings of the IADIS International Conference on e-Societey 2003, pages 313--320, Lisbon, Portugal, June 2003. IADIS Press. (Abstract, full paper)
  7. Johann Gamper and Nikolaus Augsten. The "eBZ -- Digital city" initiative. In Proceedings of the IADIS International Conference on e-Societey 2003, pages 156--162, Lisbon, Portugal, June 2003. IADIS Press. (Abstract, full paper)
  8. Johann Gamper and Nikolaus Augsten. The role of web services in digital government. In Proceedings of the Second International Conference on Electronic Government (EGOV 2003), volume 2739 of LNCS, pages 161--166, Prague, Czech Republic, September 2003. Springer-Verlag. (Abstract, full paper)
  9. Johann Gamper and Paolo Dongilli. Towards a semantic portal for minority rights in Europe. In Collected Posters of the First International Semantic Web Conference (ISWC 2002), page~20, Sardinia, Italy, June 2002. (Poster paper)
  10. Johann Gamper and Judith Knapp. XML for an electronic learners' dictionary. In Proceedings of the IADIS International Conference WWW/Internet 2002, pages 427-434, Lisbon, Portugal, November 2002. (Abstract, full paper)
  11. Johann Gamper and Judith Knapp. Collaborative language leanring with a web-based tandem system in South Tyrol. In Proceedings of the 1st International Conference on Educational Technology in Cultural Context, Joensuu, Finland, September 2002. (Abstract, full paper)
  12. Johann Gamper and Judith Knapp. A web-based language learning system. In Proceedings of the 1st International Conference on Web-based Learning, volume 2436 of LNCS, pages 106--118, Hong Kong, August 2002. Springer-Verlag. (Abstract, full paper)
  13. Johann Gamper and Judith Knapp. Tutoring in a language learning system. In Proceedings of the 6th World Multiconference on Systemics, Cybernetics and Informatics, pages 465--470, Orlando, Florida, July 2002. International Insitute of Informatics and Systemics. (Abstract, full paper)
  14. Johann Gamper and Judith Knapp. A Web-based tandem system for language learning in South Tyrol. In Proceedings of the World Conference on Educational Multmedia, Hypermedia & Telecommunications (ED-MEDIA 2002), pages 567--568, Denver, Colorado, June 2002. Association for the Advancement of Computing in Education (AACE). (Abstract, full paper)
  15. Johann Gamper and Judith Knapp. New media in the design of a learners' dictionary. In Proceedings of the World Conference on Educational Multmedia, Hypermedia & Telecommunications (ED-MEDIA 2001), pages 541--546, Tampere, Finland, June 2001. (Abstract, full paper)
  16. Johann Gamper and Judith Knapp. A review of call systems in foreign language instruction. In Proceedings of the 10th International Conference on Artificial Intelligence in Education (AI-ED 2001), pages 377--388, San Antonio, Texas, May 19--23 2001. IOS Press Amsterdam. (Abstract, full paper)
  17. Changtao Qu, Johann Gamper, and Wolfgang Nejdl. A collaborative courseware generating system based on WebDAV, XML, and JSP. In Proceedings of the IEEE International Conference on Advanced Learning Technologies (ICALT-2001), Madison, Wisconsin, USA, August 2001. (Abstract, full paper)
  18. Changtao Qu, Johann Gamper, and Wolfgang Nejdl. Collaborative courseware authoring and publishing based on WebDAV, XML, and XSLT. In Proceedings of the IEEE International Conference on Trends in Communications (EUROCON-2001), Bratislava, Slovak Republic, July 2001. (Abstract, full paper)
  19. Johann Gamper and Judith Knapp. Towards an adaptive learners' dictionary. In Proceedings of the International Conference on Adaptive Hypermedia and Adaptive Web-based Systems (AH-2000), volume 1892 of LNCS, pages 311--314, Trento, Italy, August 2000. Springer-Verlag. (Abstract, full paper)
  20. Johann Gamper. A parallel corpus of Italian/German legal texts. In Proceedings of the Second International Conference on Language Resources & Evaluation, pages 531--538, Athens, Greece, June 2000. (Abstract, full paper)

Miscellaneous Publications

  1. M. H. Böhlen, Toward a Unifying View of Point and Interval Temporal Data Models, invited paper, Proceedings of the 11th International Symposium on Temporal Representation and Reasoning, IEEE Computer Society Press, Tatihou, Normandie, France, July 2004.
  2. M. H. Böhlen, C. S. Jensen, Temporal Data Model and Query Language Concepts, Encyclopedia of Information Systems, Volume 4, Academic Press, Elsevier Science (USA), 17 pages, 2003.
  3. M. H. Böhlen and C. S. Jensen, The Tiger Prototype System, in Architecture and Implementation of Spatio-Temporal DBMS (chapter 7) in Spatiotemporal Databases: The Chorochronos Approach, to appear, 2002.
  4. M. H. Böhlen and C. S. Jensen, Spatio-Temporal Statement Modifiers, in Spatiotemporal Models and Languages: An Approach Based on Data Types (chapter 4) in Spatiotemporal Databases: The Chorochronos Approach, to appear, 2002.
  5. M. H. Böhlen, W. Jonker, M. Revett, Data Management Technologies in Telcos, EURESCOM P817 Booklet, 11 pages, May 2000.
  6. R. T. Snodgrass, M. H. Böhlen, C. S. Jensen, and A. Steiner, Transitioning Temporal Support in TSQL2 to SQL3, in Temporal Databases: Research and Practice, O. Etzion, S. Jajodia, and S. Sripada (eds.), Springer Verlag, Lecture Notes in Computer Science 1399, 45 pages, 1998.
  7. M. H. Böhlen, Temporal Database System Implementations, ACM Sigmod Record, Vol. 24, Nr. 4, 16 pages, December 1995.
  8. R. T. Snodgrass, M. H. Böhlen, C. S. Jensen and A. Steiner, Adding Valid Time to SQL/Temporal, ANSI/ISO Expert Contribution, ANSI X3H2-96-151r1, ISO--ANSI SQL/Temporal Change Proposal, ISO/IEC JTC1/SC21/WG3 DBL MCI-142, 77 pages, May 1996.
  9. R. T. Snodgrass, M. H. Böhlen, C. S. Jensen and A. Steiner, Adding Transaction Time to SQL/Temporal, ANSI/ISO Expert Contribution, ANSI X3H2-96-152r, ISO--ANSI SQL/Temporal Change Proposal, ISO/IEC JTC1/SC21/WG3 DBL MCI-143, 49 pages, May 1996.
  10. M. H. Böhlen, Computing Review for A First Course in Database Systems by J. D. Ullman and J. Widom, Prentice Hall, Inc., Upper Saddle River, NJ, 1997, 470 pp, ACM Computing Reviews, April 1998.
  11. M. H. Böhlen, Computing Review for Tail Recursion Elimination in Deductive Databases by K. A. Ross in ACM Transactions on Database Systems, Vol. 21, No. 2, p. 208--237, June 1996, ACM Computing Reviews, Volume 38, Number 8, August 1997.
  12. M. H. Böhlen, Computing Review for Handling Infinite Temporal Data by F. Kabanza, J.-M. St'evenne, and P. Wolper in Journal of Computer and System Sciences, 51, p. 3-17, 1995, ACM Computing Reviews, Volume 37, Number 10, October 1996.

Technical Reports

  1. I. Timko, C. E. Dyreson, and T. B. Pedersen. Probability Distributions as Pre-Aggregated Data in Data Warehouses. DB Tech Reports TR-14, Aalborg University, 46 pages, 2005.
  2. I. Timko, C. E. Dyreson, and T. B. Pedersen. Probabilistic Data Modeling and Querying for Location-Based Data Warehouses. DB Tech Reports TR-13, Aalborg University, 22 pages, 2005.
  3. A. Schmidt and M. Böhlen, Parameter Estimation for Interactive Visualisation of Scientific Data, DB Tech Reports, Aalborg University, Februar 2004.
  4. C. S. Jensen, A. Kligys, T. B. Pedersen, and I. Timko. Multidimensional Data Modeling for Location-Based Services. DB Tech Reports TR-2, Aalborg University, 28 pages, 2002.
  5. A. Mazeika, M. Böhlen, P. Mylov, The Density Surfaces Module, DB Tech Reports, Aalborg University, December 2002.
  6. C. E. Dyreson, M. H. Böhlen, and C. S. Jensen, Capturing and Querying Multiple Aspects of Semistructured Data, A TimeCenter Technical Report, TR-36, November 1998.
  7. R. H. Güting, M. H. Böhlen, M. Erwig, C. S. Jensen, N. A. Lorentzos, M. Schneider, and M. Vazirgiannis, A Foundation for Representing and Queryig Moving Objects, Informatik Berichte, 238 -- 9/1998, FernUniversität Hagen, 49 pages, September 1998.
  8. M. O. Akinde, O. G. Jensen, and M. H. Böhlen, Minimizing Detail Data in Data Warehouses, R-98-5002, Aalborg University, Department of Computer Science, Denmark, 24 pages, February 1998.
  9. M. H. Böhlen, R. Busatto, and C. S. Jensen, Point- Versus Interval-based Temporal Data Models, A TimeCenter Technical Report, TR-21, January 1998.
  10. M. H. Böhlen, R. T. Snodgrass, and M. D. Soo, Coalescing in Temporal Databases, A TimeCenter Technical Report, TR--9, 1997.
  11. R. T. Snodgrass, M. H. Böhlen, C. S. Jensen, and A. Steiner, Transitioning Temporal support in TSQL2 to SQL3, A TimeCenter Technical Report, TR--8, 1997.
  12. J. Bair, M. H. Böhlen, C. S. Jensen, and R. T. Snodgrass, Notions of Upward Compatibility of Temporal Query Languages, A TimeCenter Technical Report, TR--6, 1997.
  13. K. Torp, C. S. Jensen, and M. H. Böhlen, Layered Implementation of Temporal DBMSs---Concepts and Techniques, A TimeCenter Technical Report, TR--2, 1997.
  14. M. H. Böhlen and C. S. Jensen, Seamless Integration of Time into SQL, R-96-2049, Aalborg University, Department of Mathematics and Computer Science, Denmark, 51 pages, December 1996.
  15. J. Bair, M. H. Böhlen, C. S. Jensen, and R. T. Snodgrass, Notions of Upward Compatibility of Temporal Query Languages, R-96-2038, Aalborg University, Department of Mathematics and Computer Science, Denmark, 22 pages, September 1996.
  16. K. Torp, C. S. Jensen, and M. H. Böhlen, Layered Implementation of Temporal DBMSs--Concepts and Techniques, R-96-2037, Aalborg University, Department of Mathematics and Computer Science, Denmark, 25 pages, September 1996.
  17. M. H. Böhlen, R. T. Snodgrass, and M. D. Soo, Coalescing in Temporal Databases, R-96--2026, Aalborg University, Department of Mathematics and Computer Science, Denmark, 27 pages, June 1996.
  18. M. H. Böhlen, C. S. Jensen, R. T. Snodgrass, and A. Steiner, Change Proposal for SQL/Temporal Adding Valid Time -- Part A, R-95--2024, 36 pages, Aalborg University, Department of Mathematics and Computer Science, Denmark, December 1995.
  19. M. H. Böhlen, C. S. Jensen, and R. T. Snodgrass, Evaluating and Enhancing the Completeness of TSQL2, Department of Computer Science, TR 95-05, University of Arizona, Tucson, AZ 85721, 1995.
  20. M. H. Böhlen, Valid Time Integrity Constraints, TR 94-30, 22 pages, Department of Computer Science, University of Arizona, Tucson, AZ 85721, 1994.
  21. M. H. Böhlen and R. Marti, A Temporal Extension of the Deductive Database System ProQuel, Technical Report, Nr. 191, 30 pages, Department of Computer Science, ETH Zürich, Switzerland, December 1992.