| June 2002 | Vol. 25 No. 2 |
IEEE Computer Society
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Letters |
| Letter from the Editor-in-Chief | David Lomet | 1 |
| Letter from the Special Issue Editor | Christian S. Jensen | 2 |
Special Issue on Indexing of Moving Objects |
| Indexing the Trajectories of Moving Objects | Dieter Pfoser | 3 |
| Indexing and Retrieval of Historical Aggregate Information about Moving Objects |   |
| Dimitris Papadias, Yufei Tao, Jun Zhang, Nikos Mamoulis, Qiongmao Shen, and Jimeng Sun | 10 |
| Indexing Mobile Objects Using Duality Transforms |   |
| Dimitris Papadopoulos, George Kollios, Dimitrios Gunopulos, and Vassilis J. Tsotras | 18 |
| Advances in Indexing for Mobile Objects | Pankaj K. Agarwal and Cecilia M. Procopiuc | 25 |
| Towards Increasingly Update Efficient Moving-Object Indexing | Christian S. Jensen and Simonas Saltenis | 35 |
| Data Management for Moving Objects | Don Chon, Divyakant Agrawal, and Amr El Abbadi | 41 |
| LOCUS: A Testbed for Dynamic Spatial Indexing | Jussi Myllymaki and James Kaufman | 48 |
| Spatio-Temporal Indexing in Oracle: Issues and Challenges | Ravi Kanth V. Kothuri and Siva Ravada | 56 |
Announcements and Notices |
| VLDB Conference | backcover |