651 search results - page 113 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
DPD
2010
13 years 6 months ago
2010
Abstract Bloom filters are extensively used in distributed applications, especially in distributed databases and distributed information systems, to reduce network requirements and...
ICDT
2009
ACM
14 years 9 months ago
2009
ACM
A technique called user views has recently been proposed to focus user attention on relevant information in response to provenance queries over workflow executions [1, 2]: Given u...
SIGMOD
2010
ACM
13 years 9 months ago
2010
ACM
An increasing number of applications operate on data obtained from the Web. These applications typically maintain local copies of the web data to avoid network latency in data acc...
VLDB
2004
ACM
14 years 9 months ago
2004
ACM
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In i...
EDBT
2010
ACM
14 years 3 months ago
2010
ACM
The goal of data fusion is to combine several representations of one real world object into a single, consistent representation, e.g., in data integration. A very popular operator...