2145 search results - page 2 / 429 » Pattern-Based Query Answering |
CORR
2012
Springer
12 years 22 days ago
2012
Springer
We propose a novel mechanism for answering sets of counting queries under differential privacy. Given a workload of counting queries, the mechanism automatically selects a differ...
ICDT
2012
ACM
11 years 7 months ago
2012
ACM
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
ICDE
2012
IEEE
11 years 7 months ago
2012
IEEE
Abstract—After decades of effort working on database performance, the quality and the usability of database systems have received more attention in recent years. In particular, t...
ICDE
2012
IEEE
11 years 7 months ago
2012
IEEE
— Uncertainties in data arise for a number of reasons: when the data set is incomplete, contains conflicting information or has been deliberately perturbed or coarsened to remov...
COLING
2010
13 years 9 hour ago
2010
Main approaches to corpus-based semantic class mining include distributional similarity (DS) and pattern-based (PB). In this paper, we perform an empirical comparison of them, bas...