385 search results - page 20 / 77 » Probabilistic ranking over relations |
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
INEX
2004
Springer
14 years 1 months ago
2004
Springer
Queries over XML documents challenge search engines to return the most relevant XML components that satisfy the query concepts. In a previous work[6] we described an algorithm to ...
PODS
2012
ACM
11 years 10 months ago
2012
ACM
We show that randomization can lead to significant improvements for a few fundamental problems in distributed tracking. Our basis is the count-tracking problem, where there are k...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Statistical estimation and approximate query processing have become increasingly prevalent applications for database systems. However, approximation is usually of little use witho...