A Preliminary Investigation into SPARQL Query Complexity and Federation in Bio2RDF.
Carlos Buil ArandaMartín UgarteMarcelo ArenasMichel DumontierPublished in: AMW (2015)
Keyphrases
- preliminary investigation
- query complexity
- rdf data
- sparql queries
- rdf graphs
- linked data
- semantic web
- data sources
- data complexity
- query language
- data model
- membership queries
- storage and retrieval
- exact learning
- expressive power
- relational algebra
- query processing
- data integration
- cost model
- databases
- structured data
- dnf formulas
- query optimization
- concept classes
- concept class
- query evaluation
- learning algorithm
- machine learning