114 search results - page 18 / 23 » Dynamic Spatial Approximation Trees for Massive Data |
GIS
2005
ACM
14 years 9 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
SIGMOD
1998
ACM
14 years 4 days ago
1998
ACM
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...
SIAMSC
2008
13 years 7 months ago
2008
Model order reduction (MOR) is common in simulation, control and optimization of complex dynamical systems arising in modeling of physical processes and in the spatial discretizati...
VLDB
2008
ACM
14 years 8 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Advanced database systems face a great challenge raised by the emergence of massive, complex structural data in bioinformatics, chem-informatics, and many other applications. The ...