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Some Remarks on the Paper "semQA: SPARQL with Idempotent Disjunction”

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3 Author(s)
Marcelo Arenas ; Pontificia Universidad Católica de Chile, Santigo ; Claudio Gutierrez ; Jorge PErez

In the paper, “semQA: SPARQL with Idempotent Disjunction”, the authors study the RDF query language SPARQL. In particular, they claim that some of the results presented in are not correct. In this note, we refute the claims made in, and actually show that some of the formal results of are incorrect.

Published in:

IEEE Transactions on Knowledge and Data Engineering  (Volume:23 ,  Issue: 4 )