736 search results - page 101 / 148 » Answering Imprecise Queries over Web Databases |
DASFAA
2010
IEEE
14 years 26 days ago
2010
IEEE
Given a set of query points, a dynamic skyline query reports all data points that are not dominated by other data points according to the distances between data points and query po...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Data exchange is the problem of transforming data structured under a schema (called source) into data structured under a different schema (called target). The emphasis of data exc...
VLDB
2001
ACM
14 years 4 days ago
2001
ACM
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
SIGMOD
1999
ACM
14 years 1 days ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...