HiQA: A Hierarchical Contextual Augmentation RAG for Massive Documents QA.
Xinyue ChenPengyu GaoJiangjiang SongXiaoyang TanPublished in: CoRR (2024)
Keyphrases
- question answering
- contextual information
- document collections
- passage retrieval
- information retrieval systems
- information retrieval
- xml documents
- web documents
- relevant documents
- metadata
- hierarchical structures
- natural language questions
- structured documents
- document classification
- text documents
- data analysis
- user queries
- document retrieval
- hierarchical structure
- document clustering
- error tolerant
- semantic information
- vector space model
- concept hierarchy
- question classification
- keywords
- image segmentation
- retrieval systems
- qa clef
- open domain
- web search
- context sensitive
- text retrieval
- vector space
- bag of words