Paul Reichert

Tweak denormalizeBindingsList performance

2

The query engine often redundantly fetches same objects from the lexicon in denormalizeBindings(List). Using a lazy cache for the already fetched items reduces the request time significantly; an exemplar query...

Fix issue #127.

SELECT * WHERE { } should return one result

1

`SELECT * WHERE { }` doesn't match any result. Normally, it should: https://www.w3.org/TR/rdf-sparql-query/#emptyGroupPattern This simple case really doesn't bother me but in consequence, `SELECT * WHERE { { ?s ?p...

feat: target of final functor is connected iff source is connected

3

This PR is part of the effort to prove the Freyd-Mitchell embedding theorem. --- [](https://gitpod.io/from-referrer/)