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SAP SE(Wikipedia) is a German multinational software company. It develops enterprise software to manage business operation and customer relations. The company is the world’s leading enterprise resource planning (ERP) software vendor.

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Installation and setup

We need to install the langchain-hana python package.

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Vectorstore

SAP HANA Cloud Vector Engine is a vector store fully integrated into the SAP HANA Cloud database.
See a usage example.

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Self Query Retriever

SAP HANA Cloud Vector Engine also provides a Self Query Retriever implementation using the HanaTranslator Class.
See a usage example.

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Graph

SAP HANA Cloud Knowledge Graph Engine provides support to utilise knowledge graphs through the HanaRdfGraph Class.
See a usage example.

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Chains

A SparqlQAChain is also provided which can be used with HanaRdfGraph for SPARQL-QA tasks. See a usage example.

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Agents

A HanaSparqlQAAgent can generate and execute SPARQL queries iteratively over HanaRdfGraph, including ontology retrieval and self-correction. See a usage example.
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