1890 search results - page 22 / 378 » Querying Big Data by Accessing Small Data |
DASFAA
2010
IEEE
14 years 11 months ago
2010
IEEE
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
FLAIRS
2007
15 years 1 months ago
2007
XGR (XML Data Grid) and BabelPeers are both data management systems based on distributed hash tables (DHT) that use the Pastry DHT to store data and meta data. XGR is based on the...
CIKM
2005
Springer
15 years 4 months ago
2005
Springer
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
79
Voted
VLDB
1990
ACM
15 years 2 months ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
73
Voted
ITCC
2002
IEEE
15 years 3 months ago
2002
IEEE
While the persistent data of many advanced database applications, such as OLAP and scientific studies, are characterized by very high dimensionality, typical queries posed on thes...