Our aim in this article is to provide a systematic study of the semantics and expressive power of the SPARQL 1.1 algebra with variable assignment, aggregates, ...
Answering aggregate queries is a key requirement of emerging applications of Semantic Technologies, such as data warehousing, business intelligence, ...
Our aim in this paper is to provide a systematic study of the semantics and expressive power of the SPARQL 1.1 algebra with variable assignment, aggregates and ...
Answering aggregate queries is a key requirement of emerging applications of Semantic Technologies, such as data warehousing, business intelligence, ...
Query Nesting, Assignment, and Aggregation in SPARQL 1.1 ...
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Answering aggregate queries is a key requirement of emerging applications of Semantic Technologies, such as data warehousing, business intelligence, and sensor ...
Query Nesting‚ Assignment‚ and Aggregation in SPARQL 1.1. Mark Kaminski‚ Egor V. Kostylev and Bernardo Cuenca Grau. Journal. ACM Trans. Database Syst. Number. 3.
Mar 21, 2013 · This specification defines the syntax and semantics of the SPARQL query language for RDF. SPARQL can be used to express queries across diverse data sources.
Sep 7, 2012 · In the SPARQL 1.1 docs and a related SO question (Counting in SPARQL) I only found aggregates based on one resource. So finally, here is my ...
But more importantly, SPARQL 1.1 now permits the use of subqueries, that is, select queries can be arbitrarily nested within WHERE clauses [4, Section 12]. To ...
Jan 7, 2014 · I am trying to use BIND to store the result value of the COUNT function in a variable and project that variable to my results. However, that value seems to be ...