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EXPDB
2006
ACM
14 years 1 months ago
Pushing XPath Accelerator to its Limits
Two competing encoding concepts are known to scale well with growing amounts of XML data: XPath Accelerator encoding implemented by MonetDB for in-memory documents and X-Hive’s ...
Christian Grün, Alexander Holupirek, Marc Kra...
WWW
2010
ACM
14 years 28 days ago
Data summaries for on-demand queries over linked data
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
Andreas Harth, Katja Hose, Marcel Karnstedt, Axel ...
CORR
2010
Springer
130views Education» more  CORR 2010»
13 years 5 months ago
Ontology-based Queries over Cancer Data
The ever-increasing amount of data in biomedical research, and in cancer research in particular, needs to be managed to support efficient data access, exchange and integration. Exi...
Alejandra González Beltrán, Ben Tagg...
BNCOD
2009
162views Database» more  BNCOD 2009»
13 years 8 months ago
Answering Multiple-Item Queries in Data Broadcast Systems
A lot of research has been done on answering single-item queries, only a few have looked at answering multiple-item queries in data broadcast systems. The few that did, have propos...
Adesola Omotayo, Ken Barker, Moustafa A. Hammad, L...
ICDE
2009
IEEE
160views Database» more  ICDE 2009»
13 years 5 months ago
Perm: Processing Provenance and Data on the Same Data Model through Query Rewriting
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
Boris Glavic, Gustavo Alonso