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» Query operations for moving objects database systems
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ICDE
2007
IEEE
113views Database» more  ICDE 2007»
16 years 7 months ago
Reducing Order Enforcement Cost in Complex Query Plans
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
Ravindra Guravannavar, S. Sudarshan
SRDS
2007
IEEE
16 years 20 days ago
Enhancing Edge Computing with Database Replication
As the use of the Internet continues to grow explosively, edge computing has emerged as an important technique for delivering Web content over the Internet. Edge computing moves d...
Yi Lin, Bettina Kemme, Marta Patiño-Mart&ia...
ER
2005
Springer
94views Database» more  ER 2005»
15 years 12 months ago
Topological Relationships Between Complex Lines and Complex Regions
Abstract. Topological relationships between spatial objects in the twodimensional space have been investigated for a long time in a number of disciplines like artificial intellige...
Markus Schneider, Thomas Behr
FQAS
2000
Springer
107views Database» more  FQAS 2000»
15 years 10 months ago
Measuring Effectiveness in Fuzzy Information Retrieval
- We investigate extensions of the classical measurement of effectiveness in information retrieval systems, precision and recall, to situations where the answer is modeled by a fuz...
Maria J. Martín-Bautista, Daniel Sán...
VLDB
2005
ACM
139views Database» more  VLDB 2005»
15 years 12 months ago
Statistical Learning Techniques for Costing XML Queries
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
Ning Zhang 0002, Peter J. Haas, Vanja Josifovski, ...