Sciweavers

620 search results - page 73 / 124
» Optimizing Path Expression Queries of XML Data
Sort
View
DASFAA
2007
IEEE
165views Database» more  DASFAA 2007»
15 years 7 months ago
Making the Most of Cache Groups
Cache groups are a powerful concept for database caching, which is used to relieve the backend database load and to keep referenced data close to the application programs at the &q...
Andreas Bühmann, Theo Härder
EDBT
2008
ACM
137views Database» more  EDBT 2008»
16 years 3 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
SIGMOD
2007
ACM
162views Database» more  SIGMOD 2007»
16 years 3 months ago
Effective and efficient update of xml in RDBMS
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
Zhen Hua Liu, Muralidhar Krishnaprasad, James W. W...
ICDT
2011
ACM
270views Database» more  ICDT 2011»
14 years 6 months ago
On the equivalence of distributed systems with queries and communication
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
Serge Abiteboul, Balder ten Cate, Yannis Katsis
PODS
2007
ACM
104views Database» more  PODS 2007»
16 years 3 months ago
XML transformation by tree-walking transducers with invisible pebbles
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�...
Joost Engelfriet, Hendrik Jan Hoogeboom, Bart Samw...