PODS
2004
ACM
14 years 5 months ago
2004
ACM
PODS
2004
ACM
15 years 17 days ago
2004
ACM
Continuous queries in a Data Stream Management System (DSMS) rely on time as a basis for windows on streams and for defining a consistent semantics for multiple streams and updata...
PODS
2004
ACM
15 years 17 days ago
2004
ACM
PODS
2004
ACM
15 years 17 days ago
2004
ACM
PODS
2004
ACM
15 years 17 days ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...
PODS
2004
ACM
15 years 17 days ago
2004
ACM
The technique of k-anonymization has been proposed in the literature as an alternative way to release public information, while ensuring both data privacy and data integrity. We p...
PODS
2004
ACM
15 years 17 days ago
2004
ACM
XPath is the W3C?standard node addressing language for XML documents. XPath is still under development and its technical aspects are intensively studied. What is missing at presen...
PODS
2004
ACM
15 years 17 days ago
2004
ACM
Typechecking consists of statically verifying whether the output of an XML transformation is always conform to an output type for documents satisfying a given input type. We focus...
PODS
2004
ACM
15 years 17 days ago
2004
ACM
PODS
2004
ACM
15 years 17 days ago
2004
ACM
Geometric coordinates are an integral part of many data streams. Examples include sensor locations in environmental monitoring, vehicle locations in traffic monitoring or battlefi...