Attean::API::IDPJoinPlanner - Iterative dynamic programming query planning role
This document describes Attean::API::IDPJoinPlanner version 0.013
extends 'Attean::QueryPlanner'; with 'Attean::API::IDPJoinPlanner';
The Attean::API::IDPJoinPlanner role provides a query planner the joins_for_plan_alternatives method, as well as the cost estimation methods that consume the Attean::API::CostPlanner role.
joins_for_plan_alternatives
Please report any bugs or feature requests to through the GitHub web interface at https://github.com/kasei/attean/issues.
The seminal reference for Iterative Dynamic Programming is "Iterative dynamic programming: a new class of query optimization algorithms" by D. Kossmann and K. Stocker, ACM Transactions on Database Systems (2000).
The heuristics to order triple patterns in this module is influenced by The ICS-FORTH Heuristics-based SPARQL Planner (HSP).
http://www.perlrdf.org/
Gregory Todd Williams <gwilliams@cpan.org>
<gwilliams@cpan.org>
Copyright (c) 2014--2016 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
To install Attean, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Attean
CPAN shell
perl -MCPAN -e shell install Attean
For more information on module installation, please visit the detailed CPAN module installation guide.