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» Answering Imprecise Queries over Web Databases
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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 ...
DBPL
2001
Springer
102views Database» more  DBPL 2001»
14 years 3 days ago
View-Based Query Answering and Query Containment over Semistructured Data
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...
XSYM
2007
Springer
150views Database» more  XSYM 2007»
14 years 1 months ago
Fast Answering of XPath Query Workloads on Web Collections
Several web applications (such as processing RSS feeds or web service messages) rely on XPath-based data manipulation tools. Web developers need to use XPath queries effectively o...
Mariano P. Consens, Flavio Rizzolo
ISEMANTICS
2010
13 years 6 months ago
An evaluation of approaches to federated query processing over linked data
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...
Peter Haase, Tobias Mathäß, Michael Zil...
JAPLL
2010
179views more  JAPLL 2010»
13 years 6 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...