Q. Why is it unrealistic to expect all domain experts to formulate queries directly in a complex query language?

View solution

Q. What is faceted search in the context of ontology-based systems?

View solution

Q. How does faceted search benefit users in information retrieval?

View solution

Q. When does faceted search encounter limitations in information retrieval?

View solution

Q. What is a limitation of using ontology development tools like Protégé for query formulation?

View solution

Q. What is the purpose of a "query by navigation" interface in ontology-based systems?

View solution

Q. What is the significance of extending faceted search in ontology-based systems?

View solution

Q. How does the navigational approach in query by navigation differ from traditional keyword-based approaches?

View solution

Q. What is a potential application of query by navigation in the Semantic Web domain?

View solution

Q. What is a key challenge of diagrammatic approaches and textual data browsers in the context of complex ontologies?

View solution

Q. Why is it challenging for end-users, even those knowledgeable in their domain, to access data in some cases?

View solution

Q. What is a necessary feature of a query formulation tool to help users understand complex ontologies?

View solution

Q. What challenge arises when users want to list all digital cameras with ≥12 MP resolution based on complex ontologies?

View solution

Q. In the context of complex queries, what is the importance of providing a textual query interface for technically versed users?

View solution

Q. Why is it important to support "on the fly" extension of the ontology during query formulation?

View solution

Q. How can users relate new vocabulary to existing ontology terms when extending the ontology during query formulation?

View solution

Q. How can users relate new vocabulary to existing ontology terms when extending the ontology during query formulation?What kind of query interface views should ideally be provided to users dealing with complex queries?

View solution

Q. What is the purpose of the ontology in the OBDA architecture?

View solution

Q. Why is developing ontologies from scratch considered expensive in OBDA?

View solution

Q. How can ontologies evolve in OBDA systems?

View solution