239 search results - page 36 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
SIGMOD
2010
ACM
14 years 14 days ago
2010
ACM
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
SIGMOD
2010
ACM
13 years 2 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
A top-k query retrieves the k highest scoring tuples from a data set with respect to a scoring function defined on the attributes of a tuple. The efficient evaluation of top-k q...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
The World Wide Web Consortium's RDF standard primarily consists of (subject,property,object) triples that specify the value that a given subject has for a given property. How...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
The problem of skyline computation has attracted considerable research attention. In the categorical domain the problem becomes more complicated, primarily due to the partially-or...