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» GenerIE: Information extraction using database queries
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ICDE
2010
IEEE
208views Database» more  ICDE 2010»
16 years 6 months ago
Intensional Associations in Dataspaces
Dataspace applications necessitate the creation of associations among data items over time. For example, once information about people is extracted from sources on the Web, associa...
Marcos Antonio Vaz Salles, Jens Dittrich, Lukas Bl...
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
16 years 6 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
GIS
2009
ACM
15 years 11 months ago
A multidimensional model representing continuous fields in spatial data warehouses
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
Alejandro A. Vaisman, Esteban Zimányi
MM
1999
ACM
155views Multimedia» more  MM 1999»
15 years 11 months ago
Multi-scale sub-image search
If an image should be retrieved by its subregions from a large image database, an immense number of possible queries will appear. Therefore, the index which encodes the spatial in...
Nicu Sebe, Michael S. Lew, Dionysius P. Huijsmans
SSD
1999
Springer
99views Database» more  SSD 1999»
15 years 10 months ago
Algorithms for Joining R-Trees and Linear Region Quadtrees
The family of R-trees is suitable for storing various kinds of multidimensional objects and is considered an excellent choice for indexing a spatial database. Region Quadtrees are ...
Antonio Corral, Michael Vassilakopoulos, Yannis Ma...