Answering Queries About Validity and Completeness of Data: From Modal Logic to Relational Algebra.

Robert Demolombe

Published in: FQAS (1996)

Keyphrases

answering queries
modal logic
relational algebra
data quality
data analysis
expressive power
data sets
data structure
query answering
database
spatial data
data model
temporal logic
historical data
query language
data sources
end users
first order logic
artificial intelligence
relational model
databases