1890 search results - page 203 / 378 » Querying Big Data by Accessing Small Data |
119
click to vote
ICDE
2005
IEEE
15 years 5 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
JCDL
2003
ACM
15 years 4 months ago
2003
ACM
G-Portal is a web portal system providing a range of digital library services to access geospatial and georeferenced resources on the Web. Among them are the storage and query sub...
103
click to vote
DPD
1998
14 years 11 months ago
1998
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...
210
click to vote
SIGMOD
2006
ACM
15 years 11 months ago
2006
ACM
With the amount of available text data in relational databases growing rapidly, the need for ordinary users to search such information is dramatically increasing. Even though the ...
114
click to vote
SIGMOD
2011
ACM
14 years 2 months ago
2011
ACM
Prior work in differential privacy has produced techniques for answering aggregate queries over sensitive data in a privacypreserving way. These techniques achieve privacy by addi...