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» Complex Spatio-Temporal Pattern Queries
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ESWS
2007
Springer
14 years 1 months ago
SPARQLeR: Extended Sparql for Semantic Association Discovery
Complex relationships, frequently referred to as semantic associations, are the essence of the Semantic Web. Query and retrieval of semantic associations has been an important task...
Krys Kochut, Maciej Janik
ICDE
2006
IEEE
149views Database» more  ICDE 2006»
14 years 9 months ago
An Efficient XPath Query Processor for XML Streams
Streaming XPath evaluation algorithms must record a potentially exponential number of pattern matches when both predicates and descendant axes are present in queries, and the XML ...
Yi Chen, Susan B. Davidson, Yifeng Zheng
GEOS
2009
Springer
14 years 10 days ago
SPARQL Query Re-writing Using Partonomy Based Transformation Rules
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
Prateek Jain, Peter Z. Yeh, Kunal Verma, Cory A. H...
OTM
2007
Springer
14 years 1 months ago
Translating XPath Queries into SPARQL Queries
Abstract The W3C has developed XPath [3] as a query language for XML data. XPath is embedded in many other languages like XQuery and XSLT. The name of XPath derives from its basic ...
Matthias Droop, Markus Flarer, Jinghua Groppe, Sve...
PODS
2010
ACM
213views Database» more  PODS 2010»
14 years 24 days ago
Expressive languages for path queries over graph-structured data
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
Pablo Barceló, Carlos A. Hurtado, Leonid Li...