sparql.anything

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At the moment is pretty simple to integrate Java methods that have basic datatypes as arguments. It is not clear how to integrate methods that have arrays as argument. This...

luigi-asprino

FX options via command line (no SERVICE mode)

1

There is a point in moving the SA configuration outside the query, and just running a plain SPARQL query on a transformed dataset. For example: ``` fx --options location=myFile.csv -q...

enridaga

Some tests in this module are not asserting anything (they cannot fail). Review and change to useful tests.

enridaga

Implement a Triplifier for querying DOT files. We can reuse this project: https://github.com/nidi3/graphviz-java

enridaga

MIDI

2

As the summary says. One option is http://www.jfugue.org

enridaga

Safe but pretty local names

3

The system builds properties using a namespace (default `http://sparql.xyz/facade-x/data/`) and the local name derived from the data, for example, the CSV column or the JSON property. However, not all the...

enridaga

Consistent way to generate URIs

2

Currently, facade keys are passed by triplifiers assuming that they are well-formed local names (slash or hash). We should centralise the preprocessing of keys in the facadeXbuilder (and make ourself...

enridaga

Registry for custom SERVICE handlers

6

Jena lacks a system for having multiple SERVICE handlers to coexist peacefully next to each other. Currently custom implementations of OpExecutor are needed such as [FacadeXOpExecutor](https://github.com/SPARQL-Anything/sparql.anything/blob/982332ee1043f385192199b841e957472484d1a0/sparql.anything.engine/src/main/java/com/github/spiceh2020/sparql/anything/engine/FacadeXOpExecutor.java#L154) or [OpExecutorServiceOrFile](https://github.com/SmartDataAnalytics/jena-sparql-api/blob/6138a2e389608a4a755f0e8113b4a91e7a1071d3/jena-sparql-api-sparql-ext/src/main/java/org/aksw/jena_sparql_api/sparql/ext/fs/OpExecutorServiceOrFile.java#L17). Concretely, I'd...

Aklakan

discussion: SPARQL endpoint

6

>The SERVICE keyword instructs a federated query processor to invoke a portion of a SPARQL query against a remote SPARQL endpoint. https://www.w3.org/TR/2013/REC-sparql11-federated-query-20130321/ ``` SPARQL endpoint The URI at which a...

justin2004

As the summary says, currently the documentation gives a false impression that the IRI schema shown is in a formal BNF, which is not.

enridaga