GenSERP: Large Language Models for Whole Page Presentation
CoRR(2024)
Abstract
The advent of large language models (LLMs) brings an opportunity to minimize
the effort in search engine result page (SERP) organization. In this paper, we
propose GenSERP, a framework that leverages LLMs with vision in a few-shot
setting to dynamically organize intermediate search results, including
generated chat answers, website snippets, multimedia data, knowledge panels
into a coherent SERP layout based on a user's query. Our approach has three
main stages: (1) An information gathering phase where the LLM continuously
orchestrates API tools to retrieve different types of items, and proposes
candidate layouts based on the retrieved items, until it's confident enough to
generate the final result. (2) An answer generation phase where the LLM
populates the layouts with the retrieved content. In this phase, the LLM
adaptively optimize the ranking of items and UX configurations of the SERP.
Consequently, it assigns a location on the page to each item, along with the UX
display details. (3) A scoring phase where an LLM with vision scores all the
generated SERPs based on how likely it can satisfy the user. It then send the
one with highest score to rendering. GenSERP features two generation paradigms.
First, coarse-to-fine, which allow it to approach optimal layout in a more
manageable way, (2) beam search, which give it a better chance to hit the
optimal solution compared to greedy decoding. Offline experimental results on
real-world data demonstrate how LLMs can contextually organize heterogeneous
search results on-the-fly and provide a promising user experience.
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