Sciweavers

2338 search results - page 144 / 468
» Using UML to model relational database operations
Sort
View
EDBT
1992
ACM
79views Database» more  EDBT 1992»
15 years 9 months ago
Theoretical Aspects of Schema Merging
A general technique for merging database schemas is developed that has a number of advantages over existing techniques, the most important of which is that schemas are placed in a...
Peter Buneman, Susan B. Davidson, Anthony Kosky
137
Voted
SIGMOD
2003
ACM
115views Database» more  SIGMOD 2003»
16 years 5 months ago
Temporal Coalescing with Now, Granularity, and Incomplete Information
This paper presents a novel strategy for temporal coalescing. Temporal coalescing merges the temporal extents of value-equivalent tuples. A temporal extent is usually coalesced of...
Curtis E. Dyreson
SIGMOD
2005
ACM
119views Database» more  SIGMOD 2005»
16 years 5 months ago
Update-Pattern-Aware Modeling and Processing of Continuous Queries
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
Lukasz Golab, M. Tamer Özsu
162
Voted
SDM
2010
SIAM
146views Data Mining» more  SDM 2010»
15 years 6 months ago
Evaluating Query Result Significance in Databases via Randomizations
Many sorts of structured data are commonly stored in a multi-relational format of interrelated tables. Under this relational model, exploratory data analysis can be done by using ...
Markus Ojala, Gemma C. Garriga, Aristides Gionis, ...
ADC
2000
Springer
326views Database» more  ADC 2000»
15 years 9 months ago
T-Tree or B-Tree: Main Memory Database Index Structure Revisited
While the B-tree (or the B+ -tree) is the most popular index structure in disk-based relational database systems, the Ttree has been widely accepted as a promising index structure...
Hongjun Lu, Yuet Yeung Ng, Zengping Tian