1533 search results - page 81 / 307 » Ordering the attributes of query results |
GIS
2006
ACM
14 years 8 months ago
2006
ACM
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
JIIS
2006
13 years 7 months ago
2006
A join of two relations in real databases is usually much smaller than their cartesian product. This means that most of the combinations of tuples in the crossproduct of the respe...
COMGEO
2008
ACM
13 years 7 months ago
2008
ACM
Given a planar polygonal subdivision S, the point location problem is to preprocess S into a data structure so that the cell of the subdivision that contains a given query point c...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...