383 search results - page 35 / 77 » Query Containment for Conjunctive Queries with Regular Expre... |
DOLAP
2000
ACM
14 years 1 months ago
2000
ACM
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
ICDE
2012
IEEE
11 years 11 months ago
2012
IEEE
—Large graphs are used in many applications, such as social networking. The management of these graphs poses new challenges because such graphs are too large to fit on a single ...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
USS
2010
13 years 6 months ago
2010
Search engines not only assist normal users, but also provide information that hackers and other malicious entities can exploit in their nefarious activities. With carefully craft...
JACM
2008
13 years 8 months ago
2008
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...