298
click to vote
PODS
16 years 6 months ago
2004 ACM 
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
233
click to vote
PODS
16 years 6 months ago
2004 ACM 
The Semantic Web is based on the idea of adding more machine-readable semantics to web information via annotations written in a language called the Resource Description Framework ...
218
Voted
PODS
16 years 6 months 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...
200
click to vote
PODS
16 years 6 months 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...
198
click to vote
PODS
16 years 6 months ago
2004 ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
|
Database