Responsibility Measures for Conjunctive Queries with Negation

Key Points

• The aim is to investigate responsibility measures associated with conjunctive queries that include negation.
• Analyzed various database systems and their handling of conjunctive queries with negation.
• Developed theoretical frameworks to evaluate responsibility measures.
• Assessed the effectiveness of proposed measures through example queries.
• Identified key challenges in current database systems regarding negation in queries.
• Proposed novel responsibility measures that enhance query evaluation effectiveness.
• Demonstrated improvements in data retrieval accuracy through new measures.