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BIBE
2008
IEEE
121views Bioinformatics» more  BIBE 2008»
15 years 8 months ago
Joining retinal vessel segments
—A new method is introduced for joining vessel segments together to form a vessel graph. Using a reference image set from the Sunderland Eye Infirmary, we analysed the retinal b...
Bashir Al-Diri, Andrew Hunter, David Steel, Maged ...
PVLDB
2010
103views more  PVLDB 2010»
15 years 3 days ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...
ICDE
2003
IEEE
116views Database» more  ICDE 2003»
16 years 3 months ago
Joining Massive High-Dimensional Datasets
We consider the problem of joining massive datasets. We propose two techniques for minimizing disk I/O cost of join operations for both spatial and sequence data. Our techniques o...
Tamer Kahveci, Christian A. Lang, Ambuj K. Singh
SBBD
2001
119views Database» more  SBBD 2001»
15 years 3 months ago
The Dimension-Join: A New Index for Data Warehouses
There are several auxiliary pre-computed access structures that allow faster answers by reading less base data. Examples are materialized views, join indexes, B-tree and bitmap in...
Pedro Bizarro, Henrique Madeira
DEXA
1995
Springer
126views Database» more  DEXA 1995»
15 years 5 months ago
A Heuristic Approach for Optimization of Path Expressions
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
Cetin Ozkan, Asuman Dogac, Cem Evrendilek