SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Managing scientific data warehouses requires constant adaptations to cope with changes in processing algorithms, computing environments, database schemas, and usage patterns. We h...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Digital content is for copying: quotation, revision, plagiarism, and file sharing all create copies. Document fingerprinting is concerned with accurately identifying copying, incl...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
We present the design and implementation of the XSQ system for
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
We describe the design and implementation of a new data layout scheme, called multi-dimensional clustering, in DB2 Universal Database Version 8. Many applications, e.g., OLAP and ...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
We consider an environment where distributed data sources continuously stream updates to a centralized processor that monitors continuous queries over the distributed data. Signif...