# a1facts ## Docs - [KnowledgeAcquirer](https://docs.a1facts.ai/api-reference/knowledge-acquirer.md): The `KnowledgeAcquirer` class is responsible for enriching and updating the knowledge graph with validated information from various knowledge sources. - [KnowledgeBase](https://docs.a1facts.ai/api-reference/knowledge-base.md): The KnowledgeBase class is the main entry point for interacting with the a1facts knowledge base. - [KnowledgeGraph](https://docs.a1facts.ai/api-reference/knowledge-graph.md): The `KnowledgeGraph` class manages interactions with the graph database. - [KnowledgeOntology](https://docs.a1facts.ai/api-reference/knowledge-ontology.md): The `KnowledgeOntology` class represents the entire ontology, including all entity and relationship classes. - [Clinical Trials Agent](https://docs.a1facts.ai/cookbook/clinical-trials.md): This example demonstrates how to use `a1facts` to build an agent that can answer questions about clinical trials from various sources. - [Stock Analysis Agent](https://docs.a1facts.ai/cookbook/stock-analysis.md): This example demonstrates how to use `a1facts` to build a simple financial analyst agent that can answer questions about companies. - [VC Analysis](https://docs.a1facts.ai/cookbook/vc-analysis.md): This example provides the building blocks for creating a Venture Capital (VC) analysis agent. - [Knowledge Acquisition](https://docs.a1facts.ai/core-concepts/knowledge-acquisition.md): Knowledge acquisition is the process of ingesting data from external sources and structuring it according to your ontology. - [Knowledge Graph](https://docs.a1facts.ai/core-concepts/knowledge-graph.md): The knowledge graph is a dynamic, queryable database of your structured information, designed to be accessed through natural language. - [Ontology](https://docs.a1facts.ai/core-concepts/ontology.md): The ontology is the backbone of your knowledge graph. It defines the schema for your data. - [Development & Contributing](https://docs.a1facts.ai/development.md): Learn how to contribute to the a1facts project. We welcome bug reports, feature requests, and pull requests! - [Introduction](https://docs.a1facts.ai/index.md): a1facts: The precision layer for AI - [Quickstart](https://docs.a1facts.ai/quickstart.md): Follow these steps to get the a1facts Knowledge Graph running on your local machine.