Introducing Paper QA: Revolutionizing Information Extraction From Text Files
Answer technical questions with cited sources using OpenAI Embeddings, FAISS vector DB, and LangChain.

Table of contents
Intro
How Paper QA Works
Example Output
How can you use Paper QA
- Research and Academia
- Professional Decision-Making
- Journalism and Content Creation
- Knowledge Management in Organizations
- Empowering Education and Learning
Intro
Information extraction is crucial to success in various professions, from research and academia to law, medicine, finance, journalism, and more. Quickly locating and synthesizing relevant information is essential for productivity and informed decision-making.
Enter Paper QA, a powerful tool designed to revolutionize the way we extract insights from documents. This library utilizes OpenAI Embeddings and a vector database called FAISS to embed and search documents, while LangChain helps generate the answers.
In this article, we will make a brief introduction to this library and give you 5 ideas on how to leverage it in your daily work or organization!
How Paper QA Works
Paper QA follows a simple process to generate answers:
- Embed docs into vectors.
- Embed query into a vector.
- Search for top k passages in docs.
- Create a summary of each passage relevant to the query.
- Put summaries into a prompt.
- Generate the answer with context.
This is how this process looks visually:

Pretty much all of this process is automated by the Paper QA library. All you have to do is provide your set of documents!
Example Output
For example, when asked, “How can carbon nanotubes be manufactured at a large scale?”, Paper QA provides a detailed answer that includes citations to relevant papers (Journet6644, Tulevski2007, and Chen2014).
Note that these papers had to be present in the provided set of files. Paper QA will not be able to cite documents which are outside of the provided scope!

How can you use Paper QA
Research and Academia
Imagine a world where researchers and academics can easily sift through vast collections of articles and documents, pinpointing the most relevant information in the blink of an eye.
With Paper QA, that world can now become a reality. This tool not only saves time but also ensures that no vital information is overlooked. The result? More comprehensive and well-informed publications that raise the bar for academic output.
And Paper QA integrates with Zotero — a popular tool for academic paper management.
Professional Decision-Making
Professionals in fields like law, medicine, and finance often face the daunting task of analyzing complex, technical documents to make critical decisions.
Paper QA significantly improves this process by swiftly retrieving essential information and generating summaries. This will increase productivity in these fields and speed up processes.
Journalism and Content Creation
In today’s fast-paced world, journalists and content creators need fast access to information to produce top-notch work. Paper QA comes to the rescue, helping users quickly gather and verify data from multiple sources.
This ensures the reliability and trustworthiness of their content while allowing them more time to craft engaging stories and narratives that captivate their audience.
Knowledge Management in Organizations
Imagine a company where teams can easily search and extract information from a wide range of documents, fostering a more informed and cohesive working environment.
Organizations can integrate Paper QA into their knowledge management systems, promoting effective internal communication and collaboration. The result? Improved problem-solving, innovation, and overall productivity.
Empowering Education and Learning
Educators and students alike can benefit from Paper QA’s ability to rapidly search and summarize information from various sources.
For educators, it’s an essential tool for crafting well-structured, informative lesson plans and keeping their knowledge up-to-date. Meanwhile, students can use Paper QA to efficiently research assignments and projects, ensuring that their work is thorough and well-founded. By simplifying the process of information extraction, Paper QA might contribute to a more effective and engaging learning experience.
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