Top- \(k\) Approximate Answers to XPath Queries with Negation.

Bettina Fazzinga Sergio Flesca Andrea Pugliese

Published in: IEEE Trans. Knowl. Data Eng. (2014)

Keyphrases

approximate answers
xpath queries
aggregate queries
xml documents
query evaluation
query answers
xml data
xml databases
logic programming
logic programs
complex queries
query processing
data cube
exact answers
datalog programs
query language
cost model
relational databases
special case