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+---
+parent: Code Howtos
+---
+
+# AI
+
+The AI feature of JabRef is built on [LangChain4j](https://github.com/langchain4j/langchain4j) and [Deep Java Library](https://djl.ai/).
+
+## Architectural Decisions
+
+See [ADR-0037](../decisions/0037-rag-architecture-implementation.md) for the decision regarding the RAG infrastructure.
+
+## Feature "Chat with PDF(s)"
+
+This is implemented mainly in the class [org.jabref.logic.ai.chatting.AiChatLogic].
+From there, one will find preferences and other required infrastructure.
+
+## Feature "Summarize PDF(s)"
+
+This is implemented in the class [org.jabref.logic.ai.summarization.GenerateSummaryTask].
+
+## Feature "BibTeX from Reference Text"
+
+The general interface is [org.jabref.logic.importer.plaincitation.PlainCitationParser].
+The class implementing it using AI is [org.jabref.logic.importer.plaincitation.LlmPlainCitationParser].
+
+## Feature "Reference Extractor"
+
+Extracts the list of references (Section ["References"](../glossary/references.md)) from the last page of the PDF to a List of BibEntry.
+
+The general interface is [org.jabref.logic.importer.fileformat.pdf.BibliographyFromPdfImporter].
+The class implementing it using AI is [org.jabref.logic.importer.plaincitation.LlmPlainCitationParser].