Minimizing Explanations for Missing Answers to Queries on Databases.
Chuanyu ZongXiaochun YangBin WangJingjing ZhangPublished in: DASFAA (1) (2013)
Keyphrases
- databases
- database
- database queries
- query answers
- data sources
- relational database systems
- query processing
- query language
- query evaluation
- correct answers
- keyword queries
- data retrieval
- efficient processing
- missing data
- indexing techniques
- query answering
- frequently asked
- aggregate queries
- range queries
- user queries
- relational databases
- database systems
- missing values
- web search engines
- relational database management systems
- database applications
- query interface
- multi dimensional
- answer questions
- null values
- consistent answers
- natural language queries
- natural language questions
- knowledge discovery
- metadata
- query patterns
- queries using views
- search engine
- tree patterns
- data exchange
- data warehouse
- response time
- complex queries
- data integration
- search queries
- query logs
- query terms