687 search results - page 81 / 138 » Query Transformation for PSJ-Queries |
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
ICDCS
1999
IEEE
14 years 1 months ago
1999
IEEE
There is growing interest in run-time detection as parallel and distributed systems grow larger and more complex. This work targets run-time analysis of complex, interactive scien...