53 search results - page 9 / 11 » Leveraging the Expressivity of Grounded Conjunctive Query La... |
ICDT
2012
ACM
11 years 8 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 ...
IAT
2009
IEEE
14 years 15 days ago
2009
IEEE
Abstract—In semantic matchmaking processes it is often useful, when the obtained match is not full, to provide explanations for the mismatch, to leverage further interaction and/...
PODS
2007
ACM
14 years 5 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
WIDM
2004
ACM
13 years 11 months ago
2004
ACM
The use of relational database management systems (RDBMSs) to store and query XML data has attracted considerable interest with a view to leveraging their powerful and reliable da...
DBPL
1997
Springer
13 years 10 months ago
1997
Springer
We consider spatial databases that can be defined in terms of polynomial inequalities, and we are interested in monotonic transformations of spatial databases. We investigate a hi...