LiUSemWeb / HeFQUIN

HeFQUIN is a query federation engine for heterogeneous federations of graph data sources, including federations of knowledge graphs.
https://liusemweb.github.io/HeFQUIN/
Apache License 2.0
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Naive source selection #274

Closed hartig closed 1 year ago

hartig commented 1 year ago

This PR adds a first "actual" SourcePlanner (i.e., source selection component) called ExhaustiveSourcePlannerImpl. However, it is just a naive one that creates what we call an exhaustive source assignment in the FedQPL paper (see Definition 9 in Section 5.2 of the paper). That is, every triple pattern of the given query is assigned to every federation member known in the federation catalog.