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cs.DB2026
Multiset semantics in SPARQL, Relational Algebra and Datalog
Renzo Angles, Claudio Gutierrez, Daniel Hernández
The paper analyzes and characterizes the algebraic and logical structure of the multiset semantics for SPARQL patterns involving AND, UNION, FILTER, EXCEPT, and SELECT. To do this,…
cs.CY2026
On the Meaning of the Web as an Object of Study
Claudio Gutierrez, Daniel Hernández
This text advances the hypothesis that the meaning of the Web as an object of study has diluted as a clear research domain. One example of this phenomenon is the identity crisis of…