4.0.0 org.springframework.boot spring-boot-starter-parent 4.1.2 com.ankurm rag-ingestion 1.0.0 rag-ingestion The ETL side of RAG on Spring AI 2.0: PDF, Word and HTML readers, chunking strategies compared by retrieval hit rate on one fixed question set, metadata enrichment and idempotent re-ingestion into pgvector. 25 2.0.2 org.springframework.ai spring-ai-bom ${spring-ai.version} pom import org.springframework.aispring-ai-pdf-document-reader org.springframework.aispring-ai-tika-document-reader org.springframework.aispring-ai-jsoup-document-reader org.springframework.aispring-ai-pgvector-store org.springframework.aispring-ai-transformers org.postgresqlpostgresql org.springframework.bootspring-boot-starter-jdbc org.springframework.boot spring-boot-starter-test test org.apache.maven.plugins maven-surefire-plugin -Duser.timezone=UTC -Dstdout.encoding=UTF-8 -Dfile.encoding=UTF-8 -Xmx3g