Neural Search Talks — Zeta Alpha

The Promise of Language Models for Search: Generative Information Retrieval

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In this episode of Neural Search Talks, Andrew Yates (Assistant Prof at the University of Amsterdam) Sergi Castella (Analyst at Zeta Alpha), and Gabriel Bénédict (PhD student at the University of Amsterdam) discuss the prospect of using GPT-like models as a replacement for conventional search engines.

Generative Information Retrieval (Gen IR) SIGIR Workshop

  • Workshop organized by Gabriel Bénédict, Ruqing Zhang, and Donald Metzler https://coda.io/@sigir/gen-ir
  • Resources on Gen IR: https://github.com/gabriben/awesome-generative-information-retrieval

    • References

    • Rethinking Search: https://arxiv.org/abs/2105.02274
    • Survey on Augmented Language Models: https://arxiv.org/abs/2302.07842
    • Differentiable Search Index: https://arxiv.org/abs/2202.06991
    • Recommender Systems with Generative Retrieval: https://shashankrajput.github.io/Generative.pdf


      • Timestamps:

      00:00 Introduction, ChatGPT Plugins
      02:01 ChatGPT plugins, LangChain
      04:37 What is even Information Retrieval?
      06:14 Index-centric vs. model-centric Retrieval
      12:22 Generative Information Retrieval (Gen IR)
      21:34 Gen IR emerging applications
      24:19 How Retrieval Augmented LMs incorporate external knowledge
      29:19 What is hallucination?
      35:04 Factuality and Faithfulness
      41:04 Evaluating generation of Language Models
      47:44 Do we even need to "measure" performance?
      54:07 How would you evaluate Bing's Sydney?
      57:22 Will language models take over commercial search?
      1:01:44 NLP academic research in the times of GPT-4
      1:06:59 Outro

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