# Stardog Studio **URL:** https://community.stardog.com/c/stardog-studio/12.md [Latest](https://community.stardog.com/latest.md) · [Categories](https://community.stardog.com/categories.md) --- ## [About the Stardog Studio category](https://community.stardog.com/t/about-the-stardog-studio-category/789)
**Author:** [@stephen](https://community.stardog.com/u/stephen)\ **Replies:** 0
Use this sub-forum to discuss the Stardog Studio application. Discuss feature requests, bugs, and other support issues here. --- ## [Exporting saved queries from Cloud account via designer](https://community.stardog.com/t/exporting-saved-queries-from-cloud-account-via-designer/5595)
**Author:** [@WWilson](https://community.stardog.com/u/WWilson)\ **Replies:** 5\ **Last updated:** [October 10, 2026, 10:04am UTC](https://community.stardog.com/t/exporting-saved-queries-from-cloud-account-via-designer/5595 "2026-10-10T10:04:48Z")
How can I export all saved queries via Designer from a Cloud account? --- ## [Error from Service?](https://community.stardog.com/t/error-from-service/5596)
**Author:** [@WWilson](https://community.stardog.com/u/WWilson)\ **Replies:** 0\ **Last updated:** [September 23, 2026, 11:15pm UTC](https://community.stardog.com/t/error-from-service/5596 "2026-09-23T23:15:47Z")
Why does this error result- Error- Failed to run query: com.complexible.stardog.plan.eval.operator.OperatorException: com.stardog.stark.query.io.InvalidQueryResults: org.xml.sax.SAXParseException; lineNumber: 1; column… --- ## [Not able to access views in snowflake via Virtual graphs](https://community.stardog.com/t/not-able-to-access-views-in-snowflake-via-virtual-graphs/5555)
**Author:** [@rajaram.manickavel](https://community.stardog.com/u/rajaram.manickavel)\ **Replies:** 1\ **Last updated:** [May 25, 2026, 3:10pm UTC](https://community.stardog.com/t/not-able-to-access-views-in-snowflake-via-virtual-graphs/5555 "2026-05-25T15:10:45Z")
Snowflake VIEWs (including views over regular tables) are not found by Calcite when creating a JDBC Virtual Graph. Error: Object 'VW\_EQUIPMENT\_DIM\_G' ▎ not found. Regular tables work fine with the same connection. Need … --- ## [How can one obtain the license for the free version](https://community.stardog.com/t/how-can-one-obtain-the-license-for-the-free-version/5373)
**Author:** [@deng](https://community.stardog.com/u/deng)\ **Replies:** 3\ **Last updated:** [January 5, 2026, 2:43pm UTC](https://community.stardog.com/t/how-can-one-obtain-the-license-for-the-free-version/5373 "2026-01-05T14:43:41Z")
How can I obtain a free license for deploying stardog on Ubuntu? Could you provide a link? --- ## [Stale saved queries in Studio](https://community.stardog.com/t/stale-saved-queries-in-studio/5521)
**Author:** [@R3000](https://community.stardog.com/u/R3000)\ **Replies:** 0\ **Last updated:** [December 17, 2025, 3:01pm UTC](https://community.stardog.com/t/stale-saved-queries-in-studio/5521 "2025-12-17T15:01:50Z")
Steps to recreate: Use pystardog to push changes to saved queries Test the query in Voicebox - I see the change Test the query in Studio - it is the old one Looks like Studio is aggressively caching the queries despit… --- ## [Ttl or csv data size to load via studio](https://community.stardog.com/t/ttl-or-csv-data-size-to-load-via-studio/5513)
**Author:** [@R3000](https://community.stardog.com/u/R3000)\ **Replies:** 3\ **Last updated:** [November 21, 2025, 2:04pm UTC](https://community.stardog.com/t/ttl-or-csv-data-size-to-load-via-studio/5513 "2025-11-21T14:04:55Z")
Dear Stardog Egnineerign Support Team, So, there are many ways to load csv and json data into stardog: cli, curl, studio, designer, etc. I am using a cloud instance and would like to have a robust etl pipeline. My mai… --- ## [How to filter date related attributes from virtual graphs](https://community.stardog.com/t/how-to-filter-date-related-attributes-from-virtual-graphs/5505)
**Author:** [@shashi\_reddy](https://community.stardog.com/u/shashi_reddy)\ **Replies:** 1\ **Last updated:** [October 7, 2025, 11:59am UTC](https://community.stardog.com/t/how-to-filter-date-related-attributes-from-virtual-graphs/5505 "2025-10-07T11:59:40Z")
i tried to fetch the data for a class by filtering using a date related attribute but it returned sql error --- ## [Files updated to repository but not visible to inspect](https://community.stardog.com/t/files-updated-to-repository-but-not-visible-to-inspect/5471)
**Author:** [@Steve\_Hunter](https://community.stardog.com/u/Steve_Hunter)\ **Replies:** 11\ **Last updated:** [August 26, 2025, 4:14pm UTC](https://community.stardog.com/t/files-updated-to-repository-but-not-visible-to-inspect/5471 "2025-08-26T16:14:00Z")
triples-to-go-sample-organizations.ttl (801.9 KB) gist-ontology.ttl (175.2 KB) triples-to-go-sample-industries.ttl (1.5 MB) --- ## [Multi-language schemas](https://community.stardog.com/t/multi-language-schemas/5378)
**Author:** [@danielbakas](https://community.stardog.com/u/danielbakas)\ **Replies:** 0\ **Last updated:** [June 4, 2025, 10:54pm UTC](https://community.stardog.com/t/multi-language-schemas/5378 "2025-06-04T22:54:10Z")
Hi everyone! We're trying to declare a class with a label both in english and spanish. Once we do, and save, the schema removes one of the two and keeps just one literal without language tag. We tried both in Stardog … --- ## [How to remotely connect to the stardog database](https://community.stardog.com/t/how-to-remotely-connect-to-the-stardog-database/5375)
**Author:** [@deng](https://community.stardog.com/u/deng)\ **Replies:** 1\ **Last updated:** [May 20, 2025, 8:33pm UTC](https://community.stardog.com/t/how-to-remotely-connect-to-the-stardog-database/5375 "2025-05-20T20:33:48Z")
How to modify the following code for remote connection to the stardog database or knowledge graph. Are the username and password for the remote connection the same as those when creating the stardog cloud account? date=… --- ## [Error when connecting to Oracle](https://community.stardog.com/t/error-when-connecting-to-oracle/5367)
**Author:** [@danielbakas](https://community.stardog.com/u/danielbakas)\ **Replies:** 2\ **Last updated:** [May 9, 2025, 12:01am UTC](https://community.stardog.com/t/error-when-connecting-to-oracle/5367 "2025-05-09T00:01:21Z")
Hi there! Hope you're doing great :slight\_smile: I'm trying to connect to an Oracle Database but getting this error in Studio: Failed to create Data Source "oracle": 000012: Unable to load class: oracle.jdbc.driver.Or… --- ## [Mapping & SPARQL](https://community.stardog.com/t/mapping-sparql/5365)
**Author:** [@gourav](https://community.stardog.com/u/gourav)\ **Replies:** 1\ **Last updated:** [May 7, 2025, 2:19pm UTC](https://community.stardog.com/t/mapping-sparql/5365 "2025-05-07T14:19:21Z")
I am trying to query the virtual graph using SPARQL, queried multiple node but getting 0 results every time. what can be the issues? Sample query - PREFIX E\_Part: tag:stardog:designer:E\_Part\_Project:E\_Part\_Model: SEL… --- ## [Doubt on creating classes and relationship using stardog studio](https://community.stardog.com/t/doubt-on-creating-classes-and-relationship-using-stardog-studio/5363)
**Author:** [@Sagar](https://community.stardog.com/u/Sagar)\ **Replies:** 1\ **Last updated:** [May 7, 2025, 2:15pm UTC](https://community.stardog.com/t/doubt-on-creating-classes-and-relationship-using-stardog-studio/5363 "2025-05-07T14:15:26Z")
Previously when I was creating data model using stardog studio I could use the plus button in the side of the class tab in the studio, but I didnot see that in the studio. Is this feature have been removed and why? --- ## [Why is stardog not supporting owl:unionOf, owl:Restriction, owl:intersectionOf](https://community.stardog.com/t/why-is-stardog-not-supporting-owl-unionof-owl-restriction-owl-intersectionof/5305)
**Author:** [@sasi\_giramma](https://community.stardog.com/u/sasi_giramma)\ **Replies:** 1\ **Last updated:** [March 18, 2025, 10:14am UTC](https://community.stardog.com/t/why-is-stardog-not-supporting-owl-unionof-owl-restriction-owl-intersectionof/5305 "2025-03-18T10:14:29Z")
I have a industry ontology which is converted from rdf to ttl when that is uploaded into stardog i found some inconsistent names like "\_:anon-genid-3aec6b26eb914f2ca5731020eeb84c6f-11". why is it happening and what is th… --- ## [SPARQL query to SELECT available Named Graphs](https://community.stardog.com/t/sparql-query-to-select-available-named-graphs/5218)
**Author:** [@danielbakas](https://community.stardog.com/u/danielbakas)\ **Replies:** 10\ **Last updated:** [January 6, 2025, 8:17pm UTC](https://community.stardog.com/t/sparql-query-to-select-available-named-graphs/5218 "2025-01-06T20:17:55Z")
Hi!! Quick question on working with Named Graphs :yum: I was performing this query in Stardog Studio SELECT DISTINCT ?graph WHERE { GRAPH ?graph { ?s ?p ?o } } And I got an empty result, even though our datab… --- ## [Load hidden files to Studio?](https://community.stardog.com/t/load-hidden-files-to-studio/5216)
**Author:** [@danielbakas](https://community.stardog.com/u/danielbakas)\ **Replies:** 1\ **Last updated:** [December 26, 2024, 4:39am UTC](https://community.stardog.com/t/load-hidden-files-to-studio/5216 "2024-12-26T04:39:32Z")
Hi there! I wanted to load a .meta file that is used in Solid and Linked Data Platforms for the metadata of a folder. Although its contents are serialized in turtle, I cannot seem to load the file for parsing. How can… --- ## [Work with Named Graphs?](https://community.stardog.com/t/work-with-named-graphs/5123)
**Author:** [@danielbakas](https://community.stardog.com/u/danielbakas)\ **Replies:** 11\ **Last updated:** [December 24, 2024, 4:59pm UTC](https://community.stardog.com/t/work-with-named-graphs/5123 "2024-12-24T16:59:06Z")
Hi @Laura\_Firey! After solving the Links and attributes not displaying between classes and their instances, a question arose. I understand that inserting the data directly in the model will have unexpected and undesire… --- ## [Solid Pod as Data Source](https://community.stardog.com/t/solid-pod-as-data-source/5215)
**Author:** [@danielbakas](https://community.stardog.com/u/danielbakas)\ **Replies:** 0\ **Last updated:** [December 24, 2024, 10:35am UTC](https://community.stardog.com/t/solid-pod-as-data-source/5215 "2024-12-24T10:35:50Z")
Hi! Hope everything is going great! With the growing popularity of decentralized storage, like the Solid Project (Social Linked Data as proposed by Sir Tim Berners-Lee), we are curious... What is the easiest way to con… --- ## [Model prefix and IRI best practices](https://community.stardog.com/t/model-prefix-and-iri-best-practices/5149)
**Author:** [@R3000](https://community.stardog.com/u/R3000)\ **Replies:** 1\ **Last updated:** [November 25, 2024, 9:24pm UTC](https://community.stardog.com/t/model-prefix-and-iri-best-practices/5149 "2024-11-25T21:24:11Z")
In the academy training @Paraskevi\_Zerva recommends the following prefix and IRI combo: prefix music IRI http://api.stardog.com/ see attached screenshot. However the getting started documentation says: Then, swi… --- ## [Run selected subquery returns zero rows](https://community.stardog.com/t/run-selected-subquery-returns-zero-rows/5130)
**Author:** [@R3000](https://community.stardog.com/u/R3000)\ **Replies:** 0\ **Last updated:** [October 31, 2024, 2:54pm UTC](https://community.stardog.com/t/run-selected-subquery-returns-zero-rows/5130 "2024-10-31T14:54:32Z")
Easy to recreate - try selecting and running this subquery: # 12-albums-dates-subselect.sparql prefix : \ SELECT (avg(?count) AS ?avgCount) { SELECT ?year (count(?album) AS ?count) … --- ## [What is the turtle file syntax for named graph?](https://community.stardog.com/t/what-is-the-turtle-file-syntax-for-named-graph/1452)
**Author:** [@kazi](https://community.stardog.com/u/kazi)\ **Replies:** 4\ **Last updated:** [October 30, 2024, 10:10pm UTC](https://community.stardog.com/t/what-is-the-turtle-file-syntax-for-named-graph/1452 "2024-10-30T22:10:47Z")
I am trying to load ttl file with named graph. Tried with some intuitive changes but nothing worked. Stardog-studio fails to load data. For example this below- @graph \ { \ **Author:** [@remya](https://community.stardog.com/u/remya)\ **Replies:** 2\ **Last updated:** [May 2, 2024, 7:18am UTC](https://community.stardog.com/t/shacl-validation-on-a-virtual-graph/4912 "2024-05-02T07:18:44Z") We are trying to validate a VKG(sms file) against SHACL shapes (shapes are generated by SHACLPLAY). Following is the syntax we followed in stardog studio. VALIDATE GRAPH VIRTUAL://mssql\_db128667118678699599\_vkg USING S… --- ## [Renaming a model/scheme?](https://community.stardog.com/t/renaming-a-model-scheme/5098)
**Author:** [@danielbakas](https://community.stardog.com/u/danielbakas)\ **Replies:** 1\ **Last updated:** [September 29, 2024, 4:39am UTC](https://community.stardog.com/t/renaming-a-model-scheme/5098 "2024-09-29T04:39:29Z")
Hi there! Is there a way to rename a model/schema? I set a URN as a test, and now I'd like to test that with a URI. Thank you in advance --- ## [Specifying what graph to target in the sparql query](https://community.stardog.com/t/specifying-what-graph-to-target-in-the-sparql-query/5056)
**Author:** [@Maozerhouni](https://community.stardog.com/u/Maozerhouni)\ **Replies:** 0\ **Last updated:** [August 24, 2024, 9:13am UTC](https://community.stardog.com/t/specifying-what-graph-to-target-in-the-sparql-query/5056 "2024-08-24T09:13:59Z")
Hi, I have added data to two distinct named graphs http://nabata.ai/graph/File and http://nabata.ai/graph/Document. But when I run the query using FROM in key world (and using stardog:context:all in the top bar) I get r… --- ## [Stardog: Reasoning doesn't recognize subClassOf](https://community.stardog.com/t/stardog-reasoning-doesnt-recognize-subclassof/5051)
**Author:** [@Maozerhouni](https://community.stardog.com/u/Maozerhouni)\ **Replies:** 2\ **Last updated:** [August 20, 2024, 6:41am UTC](https://community.stardog.com/t/stardog-reasoning-doesnt-recognize-subclassof/5051 "2024-08-20T06:41:42Z")
in stardog studio, I have created a basic database. and added the following rdf data. When I query this database with a reasoning "on", I don't find expected results. I expect Alice, Charlie to be recognized as http://… --- ## [How to import JSON file in DB using studio?](https://community.stardog.com/t/how-to-import-json-file-in-db-using-studio/3146)
**Author:** [@rajakushwah](https://community.stardog.com/u/rajakushwah)\ **Replies:** 2\ **Last updated:** [February 13, 2024, 6:29pm UTC](https://community.stardog.com/t/how-to-import-json-file-in-db-using-studio/3146 "2024-02-13T18:29:14Z")
Hi Team, How can I import JSON files to DB from the studio? Steps I followed- Firstly I have created the DB Selected the Load Data option and choose the JSON file. I am unable to see JSON file format in the drop… --- ## [Automatically create Model via Pystardog, not available in Studio](https://community.stardog.com/t/automatically-create-model-via-pystardog-not-available-in-studio/4798)
**Author:** [@hall00ween](https://community.stardog.com/u/hall00ween)\ **Replies:** 1\ **Last updated:** [January 12, 2024, 6:53am UTC](https://community.stardog.com/t/automatically-create-model-via-pystardog-not-available-in-studio/4798 "2024-01-12T06:53:19Z")
Hi, I create a .ttl file in Python containing a named graph. Then, I use pystardog to push that .ttl file to the database I built: # Convert named graph file into Stardog content stardog\_named\_graph = stardog.content.I… --- ## [Registering Custom Functions on cloud version](https://community.stardog.com/t/registering-custom-functions-on-cloud-version/4754)
**Author:** [@hussein.abdallah](https://community.stardog.com/u/hussein.abdallah)\ **Replies:** 0\ **Last updated:** [December 8, 2023, 2:19pm UTC](https://community.stardog.com/t/registering-custom-functions-on-cloud-version/4754 "2023-12-08T14:19:48Z")
Can I Register a Custom Function (UDF) on the cloud instance version? the free student licence on the local instance is expired !! --- ## [Grouping stored queries](https://community.stardog.com/t/grouping-stored-queries/4727)
**Author:** [@habat](https://community.stardog.com/u/habat)\ **Replies:** 1\ **Last updated:** [November 30, 2023, 3:17pm UTC](https://community.stardog.com/t/grouping-stored-queries/4727 "2023-11-30T15:17:08Z")
Hi, Is there the possibility to group stored queries together as a collection? I could not see this visually within the studio. For example I have two stored queries that are categorised based on their functionality. I… [Next page](https://community.stardog.com/c/stardog-studio/12.md?page=1)