8228 search results - page 1418 / 1646 » Structural Logical Relations |
143
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RULES
1993
Springer
15 years 4 months ago
1993
Springer
Semantic models have shown the utility of arbitrary user-de ned relationships for de ning the semantics of database information, while objectoriented models have developed a stron...
151
Voted
SSD
1993
Springer
15 years 4 months ago
1993
Springer
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
94
Voted
VLDB
1994
ACM
15 years 4 months ago
1994
ACM
The performance of data-parallel algorithms for spatial operations using data-parallel variants of the bucket PMR quadtree, R-tree, and R+-tree spatial data structures is compared...
109
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ICALP
1990
Springer
15 years 4 months ago
1990
Springer
Any tree can be represented in a max/ma//y compact form as a directed acyclic graph where common subtrees are factored and shared, being represented only once. Such a compaction ca...
153
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AGTIVE
2007
Springer
15 years 4 months ago
2007
Springer
Meta-modeling is well known to define the basic concepts of domain-specific languages in an object-oriented way. Based on graph transformation, an abstract meta-model may be enhanc...