A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is
Lecture Notes in Computer Science
We describe a system that incrementally translates SPARQL queries to Pig Latin and executes them on a Hadoop cluster. ... To be robust against cost estimation errors, our system interleaves query optimization with query execution, determining the next steps to take based on data samples and statistics gathered during the ... Spyros Kotoulas and Jacopo Urbani were partially supported by EU project LarKC (FP7-215535) and the Yahoo! Faculty Research Engagement Program. ...doi:10.1007/978-3-642-35176-1_16 fatcat:bkrhd4o36jfnnnm7iuiebaqtm4
The author firmly believes in the applicability of the current web architecture in the extended industrial enterprise, and is looking forward to discuss and exchange views on the current trends, challenges ... , and state of the art solutions. ... Assuming a number of independent Linked Data sources (SPARQL endpoints), we have designed a framework and optimized distributed query processing of SPARQL queries over RDF data  . ...fatcat:25ea45pfqjfgxarobtzhs6llnu