Konrad Abicht

Evaluating the creation of PHP classes and interfaces based on the RDF.js specification

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I am one of the maintainers/supporters of RDF libraries such as hardf, ARC2 and Saft, written in PHP. And i am currently evaluating, if its worth working on a (basic)...

NQuads.php: made blank node regex more flexible

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As far as I understand https://www.w3.org/TR/n-quads/#BNodes, blank node labels in NQuads can include `-`, `.` and `_` too. Specification requires these characters not being at the beginning of the label,...

sparqlmap seems to bloat generated turtle file (action=dump)

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**Version**: https://github.com/tomatophantastico/sparqlmap/releases/tag/v0.7.5-SNAPSHOT-2 **Input CSV**: https://github.com/AKSW/transform-bvl-pages-to-csv-file/blob/master/le-online-extracted-places.csv **Mapping**: https://github.com/AKSW/transform-bvl-pages-to-csv-file/blob/master/r2rml-mapping.ttl The TTL **output** file is about `60 MB`. But after running ``` rapper -i turtle -o turtle ~/Docker-Containers/sparqlmap/data/output.ttl >! ~/Downloads/output.ttl rapper: Parsing URI...

In case he can't bind a column, besides a clear warning, it throws an `java.lang.IllegalArgumentException` exception: ``` 13:53:55,009 [restartedMain] WARN SparqlMapBuilder$SparqlMapMappingBuilder : Cannot bind col "invalid------Stufen-bis-Toilette-Farbliche-Markierung-erste-u-letzte-Stufe" in mapping http://aksw.org/Projects/SparqlMap/bnodeResolv/cf88bc03-87d8-4e1c-8756-61810e5544dd java.lang.IllegalArgumentException:...

I used the latest available release inside a Docker container: ``` http://github.com/tomatophantastico/sparqlmap/releases/download/v0.7.5-SNAPSHOT-2/sparqlmap-client-0.7.5-SNAPSHOT.zip ``` Sparqlmap is called with the following command: ```bash # variables SCRIPT=`realpath $0` WORK_DIR=`dirname $SCRIPT` SPARQLMAP_VERSION=0.7.5 MAPPING_FILE=r2rml-mapping.ttl INPUT_FILE=input.csv...

Calling the SPARQL endpoint with **query** parameter `http://localhost:8090/api/sparql/?query=123` leads to a file download with an empty file. On the console, sparqlmap prints: ``` 15:32:08,577 [qtp408454989-14] ERROR SparqlMapWebController : Throwable caught:...

Part of the log with mentioned exception: ``` LF4JLogger.java:71] : Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500} DEBUG 2016-12-06 16:00:29,242 [main][SLF4JLogger.java:56] : Updating cluster description to {type=UNKNOWN,...

EasyRdf repository has [8 open pull requests](https://github.com/easyrdf/easyrdf/pulls) and the author being inactive for over 2 years. There is no development and feedback (latest commit is from Aug 31, 2021). In...

Activity tab shows changes of persons who didn't do them

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**Problem:** Activity tab shows changes of persons who didn't do them. I spoke with involved people and we could verify, that they didn't do particular changes (e.g. they weren't even...

Does CubeViz supports sdmx-prefixes?

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[This](https://github.com/tomatophantastico/sparqlmap/blob/6902944f6a3bbb226e5b0039c59ead2f0cb7ef72/sparqlmap-test/src/main/resources/datacube/expected.ttl) cube seems fine, but cubevizjs doesn't load it properly. * i uploaded it * dataset and measure view in the menu seems fine * but attributes and other menu-parts...