OWL 2 QL
E31305
OWL 2 QL is a lightweight profile of the Web Ontology Language designed to enable efficient query answering over large datasets using standard relational database technologies.
Aliases (2)
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
OWL 2 profile
→
ontology language profile → |
| allows |
concept inclusions of limited form
→
role inclusions with certain restrictions → |
| basedOn |
DL-Lite family of description logics
→
|
| compatibleWith |
standard relational database technologies
→
|
| contrastedWith |
OWL 2 DL
→
OWL 2 EL → OWL 2 RL → |
| designedFor |
efficient query answering
→
large datasets → use with relational database systems → |
| disallows |
arbitrary role composition
→
complex cardinality restrictions → full negation on complex concepts → |
| enables |
rewriting ontology-mediated queries into SQL
→
|
| hasAbbreviation |
QL
→
|
| hasComplexity |
AC0 data complexity for certain query answering tasks
→
|
| hasConstraint |
no complex role inclusion cycles
→
no role transitivity axioms → |
| hasDesignGoal |
scalability to very large data volumes
→
tractable reasoning over large ABoxes → |
| hasDesignTradeoff |
limited support for complex class constructors
→
restricted expressivity in the TBox → |
| hasProfileType |
lightweight profile
→
|
| hasProperty |
first-order rewritability of queries
→
|
| hasReasoningTask |
classification of lightweight ontologies
→
query answering → |
| hasSemantics |
model-theoretic semantics of OWL 2
→
|
| implementedIn |
OBDA systems
→
various ontology reasoners → |
| introducedIn |
OWL 2 recommendation
→
|
| nameMeaning |
Query Language
→
|
| optimizedFor |
conjunctive query answering
→
|
| partOf |
OWL 2
→
|
| relatedTo |
RDF
→
SPARQL → ontology-based data management → |
| specifiedIn |
OWL 2 Web Ontology Language Profiles specification
→
|
| standardizedBy |
W3C
→
|
| subClassOf |
Description Logic
→
|
| supports |
polynomial-time query answering in data complexity
→
|
| targetEnvironment |
database-backed applications
→
enterprise information systems → |
| useCase |
data integration over relational sources
→
ontology-based data access → semantic querying of legacy databases → |
| usedWith |
mapping languages for relational-to-ontology mappings
→
|
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
OWL Full
→
|
contrastsWith |
|
OWL
→
|
hasProfile |
|
OWL 2 QL
("OWL 2")
→
|
partOf |
|
OWL 2 QL
("OWL 2 Web Ontology Language Profiles specification")
→
|
specifiedIn |