Support for SPARQL #7165
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Support for SPARQL #7165
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hwchase17
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Jul 5, 2023
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@felixocker thank you for this PR! I would like to kindly ask if you can help me with a related issue. I keep receiving warning messages from rdflib when loading an RDF file even if URIs are valid. I did some tests locally and it seems to me that the problem may be related to the implementation of the |
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@marioscrock thanks! yeah, seems like this is due to the concatenation of strings and the URI in the |
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@felixocker thank you for the quick feedback and fix! |
baskaryan
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Jul 20, 2023
#8025) - Description: fix to avoid rdflib warnings when concatenating URIs and strings to create the text snippet for the knowledge graph's schema. @marioscrock pointed this out in a comment related to #7165 - Issue: None, but the problem was mentioned as a comment in #7165 - Dependencies: None - Tag maintainer: Related to memory -> @hwchase17, maybe @baskaryan as it is a fix
baskaryan
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Jul 24, 2023
**Description**: Serves as an introduction to LangChain's support for [ArangoDB](https://github.com/arangodb/arangodb), similar to #7165 and #4881 **Issue**: No issue has been created for this feature **Dependencies**: `python-arango` has been added as an optional dependency via the `CONTRIBUTING.md` guidelines **Twitter handle**: [at]arangodb - Integration test has been added - Notebook has been added: [graph_arangodb_qa.ipynb](https://github.com/amahanna/langchain/blob/master/docs/extras/modules/chains/additional/graph_arangodb_qa.ipynb) [](https://colab.research.google.com/github/amahanna/langchain/blob/master/docs/extras/modules/chains/additional/graph_arangodb_qa.ipynb) ``` docker run -p 8529:8529 -e ARANGO_ROOT_PASSWORD= arangodb/arangodb ``` ``` pip install git+https://github.com/amahanna/langchain.git ``` ```python from arango import ArangoClient from langchain.chat_models import ChatOpenAI from langchain.graphs import ArangoGraph from langchain.chains import ArangoGraphQAChain db = ArangoClient(hosts="localhost:8529").db(name="_system", username="root", password="", verify=True) graph = ArangoGraph(db) chain = ArangoGraphQAChain.from_llm(ChatOpenAI(temperature=0), graph=graph) chain.run("Is Ned Stark alive?") ``` --------- Co-authored-by: Bagatur <baskaryan@gmail.com>
](https://colab.research.google.com/github/amahanna/langchain/blob/master/docs/extras/modules/chains/additional/graph_arangodb_qa.ipynb){kind=link}
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SPARQL for LangChain
Description
LangChain support for knowledge graphs relying on W3C standards using RDFlib: SPARQL/ RDF(S)/ OWL with special focus on RDF \
Contribution compared to related PRs and discussions
Dependencies
Tag maintainer
Graph database related to memory -> @hwchase17