481 search results - page 45 / 97 » Approximate XML Query Answers |
ICDT
1995
ACM
13 years 11 months ago
1995
ACM
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...
AAAI
2006
13 years 9 months ago
2006
In this paper, we motivate the need for and challenges involved in supporting imprecise queries over Web databases. Then we briefly explain our solution, AIMQ - a domain independe...
EDBTW
2004
Springer
14 years 1 months ago
2004
Springer
While there are many proposals for path indexes on XML documents, none of them is perfectly suited for indexing large-scale collections of interlinked XML documents. Existing strat...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
In moving object environments, it is infeasible for the database tracking the movement of objects to store the exact locations of objects at all times. Typically, the location of a...
ICDE
2001
IEEE
14 years 9 months ago
2001
IEEE
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...