WILBUR: Adaptive In-Context Learning for Robust and Accurate Web Agents
In the realm of web agent research, achieving both generalization and
accuracy remains a challenging problem. Due to high variance in website
structure, existing approaches often fail. Moreover, existing fine-tuning and
in-context learning techniques fail to generalize across multiple websites. We
introduce Wilbur, an approach that uses a differentiable ranking model and a
novel instruction synthesis technique to optimally populate a black-box large
language model's prompt with task demonstrations from previous runs. To
maximize end-to-end success rates, we also propose an intelligent backtracking
mechanism that learns and recovers from its mistakes. Finally, we show that our
ranking model can be trained on data from a generative auto-curriculum which
samples representative goals from an LLM, runs the agent, and automatically
evaluates it, with no manual annotation. Wilbur achieves state-of-the-art
results on the WebVoyager benchmark, beating text-only models by 8% overall,
and up to 36% on certain websites. On the same benchmark, Wilbur is within 5%
of a strong multi-modal model despite only receiving textual inputs, and
further analysis reveals a substantial number of failures are due to
engineering challenges of operating the web.
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Michael Lutz
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2024-04-19T07:39:08.688Z
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Michael Lutz
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Arth Bohra
admin_assigned
2024-04-18T12:20:13.994Z
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Arth Bohra
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arthbohra
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Manvel Saroyan
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2024-04-18T12:20:22.106Z
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Manvel Saroyan
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saroyanm
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Artem Harutyunyan
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2024-04-12T04:20:23.668Z
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Artem H
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hartem
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Giovanni Campagna
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2024-04-12T04:32:34.205Z
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Giovanni Campagna
user
gcampax
WILBUR: Adaptive In-Context Learning for Robust and Accurate Web Agents
In the realm of web agent research, achieving both generalization and
accuracy remains a challenging problem. Due to high variance in website
structure, existing approaches often fail. Moreover, existing fine-tuning and
in-context learning techniques fail to generalize across multiple websites. We
introduce Wilbur, an approach that uses a differentiable ranking model and a
novel instruction synthesis technique to optimally populate a black-box large
language model's prompt with task demonstrations from previous runs. To
maximize end-to-end success rates, we also propose an intelligent backtracking
mechanism that learns and recovers from its mistakes. Finally, we show that our
ranking model can be trained on data from a generative auto-curriculum which
samples representative goals from an LLM, runs the agent, and automatically
evaluates it, with no manual annotation. Wilbur achieves state-of-the-art
results on the WebVoyager benchmark, beating text-only models by 8% overall,
and up to 36% on certain websites. On the same benchmark, Wilbur is within 5%
of a strong multi-modal model despite only receiving textual inputs, and
further analysis reveals a substantial number of failures are due to
engineering challenges of operating the web.
Wilbur uses a differentiable ranking model and instruction synthesis to fine-tune a large language model for web agent tasks, achieving state-of-the-art results with text-only inputs and superior performance on the WebVoyager benchmark.
differentiable ranking model instruction synthesis generative auto-curriculum large language model prompt population intelligent backtracking state-of-the-art WebVoyager benchmark multi-modal model