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» Querying RDF Data Using A Multigraph-based Approach
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CIDR
2003
109views Algorithms» more  CIDR 2003»
15 years 7 months ago
SkyQuery: A Web Service Approach to Federate Databases
Traditional science searched for new objects and phenomena that led to discoveries. Tomorrow's science will combine together the large pool of information in scientific archi...
Tanu Malik, Alexander S. Szalay, Tamas Budavari, A...
VLDB
2007
ACM
195views Database» more  VLDB 2007»
16 years 6 months ago
Modeling and Querying Vague Spatial Objects Using Shapelets
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
Daniel Zinn, Jim Bosch, Michael Gertz
DEXA
2003
Springer
149views Database» more  DEXA 2003»
15 years 11 months ago
Capturing Uncertainty in Spatial Queries over Imprecise Data
Emerging applications using miniature electronic devices (e.g., tracking mobile objects using sensors) generate very large amounts of highly dynamic data that poses very high overh...
Xingbo Yu, Sharad Mehrotra
ESWS
2008
Springer
15 years 8 months ago
Query Answering and Ontology Population: An Inductive Approach
In order to overcome the limitations of deductive logic-based approaches to deriving operational knowledge from ontologies, especially when data come from distributed sources, indu...
Claudia d'Amato, Nicola Fanizzi, Floriana Esposito
DEBS
2009
ACM
16 years 24 days ago
Processing publish/subscribe queries over distributed data streams
We address the problem of processing continuous multi-join queries, over distributed data streams, making use of existing work in the field of publish/subscribe systems. We show ...
Oana Jurca, Sebastian Michel, Alexandre Herrmann, ...