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EDBT
2004
ACM
142views Database» more  EDBT 2004»
13 years 10 months ago
Computing and Handling Cardinal Direction Information
Qualitative spatial reasoning forms an important part of the commonsense reasoning required for building intelligent Geographical Information Systems (GIS). Previous research has c...
Spiros Skiadopoulos, Christos Giannoukos, Panos Va...
EDBT
2004
ACM
147views Database» more  EDBT 2004»
13 years 10 months ago
Clustering Multidimensional Extended Objects to Speed Up Execution of Spatial Queries
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
Cristian-Augustin Saita, François Llirbat
EDBT
2004
ACM
198views Database» more  EDBT 2004»
13 years 10 months ago
Spatiotemporal Compression Techniques for Moving Point Objects
Nirvana Meratnia, Rolf A. de By
EDBT
2004
ACM
100views Database» more  EDBT 2004»
13 years 10 months ago
Joining Punctuated Streams
Luping Ding, Nishant Mehta, Elke A. Rundensteiner,...
EDBT
2004
ACM
98views Database» more  EDBT 2004»
13 years 10 months ago
P2P-DIET: One-Time and Continuous Queries in Super-Peer Networks
Stratos Idreos, Manolis Koubarakis, Christos Tryfo...
EDBT
2004
ACM
163views Database» more  EDBT 2004»
14 years 5 months ago
Energy-Conserving Air Indexes for Nearest Neighbor Search
A location-based service (LBS) provides information based on the location information specified in a query. Nearest-neighbor (NN) search is an important class of queries supported ...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
EDBT
2004
ACM
126views Database» more  EDBT 2004»
14 years 5 months ago
Spatial Queries in the Presence of Obstacles
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
Jun Zhang, Dimitris Papadias, Kyriakos Mouratidis,...
EDBT
2004
ACM
131views Database» more  EDBT 2004»
14 years 5 months ago
Declustering Two-Dimensional Datasets over MEMS-Based Storage
Due to the large difference between seek time and transfer time in current disk technology, it is advantageous to perform large I/O using a single sequential access rather than mu...
Hailing Yu, Divyakant Agrawal, Amr El Abbadi
EDBT
2004
ACM
133views Database» more  EDBT 2004»
14 years 5 months ago
eVitae: An Event-Based Electronic Chronicle
We present an event based system for storing, managing, and presenting personal multimedia history. The development of such systems is a challenge because information about person...
Bin Wu, Rahul Singh, Punit Gupta, Ramesh Jain
EDBT
2004
ACM
129views Database» more  EDBT 2004»
14 years 5 months ago
Beyond 1-Safety and 2-Safety for Replicated Databases: Group-Safety
In this paper, we study the safety guarantees of group communication-based database replication techniques. We show that there is a model mismatch between group communication and ...
Matthias Wiesmann, André Schiper