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Jason Ingyu Choi

4 accepted papers

2025

Wizard of Shopping: Target-Oriented E-commerce Dialogue Generation with Decision Tree Branching

ACL 2025long

The goal of conversational product search (CPS) is to develop an intelligent, chat-based shopping assistant that can directly interact with customers to understand shopping intents, ask clarification questions, and find relevant products. However, training such assistants is hindered mainly due to t…

Cited by 0SourcePDFScholar
2024

Generative Explore-Exploit: Training-free Optimization of Generative Recommender Systems using LLM Optimizers

ACL 2024long

Recommender systems are widely used to suggest engaging content, and Large Language Models (LLMs) have given rise to generative recommenders. Such systems can directly generate items, including for open-set tasks like question suggestion. While the world knowledge of LLMs enables good recommendation…

Cited by 4SourcePDFScholar
2024

Identifying High Consideration E-Commerce Search Queries

EMNLP 2024industry

In e-commerce, high consideration search missions typically require careful and elaborate decision making, and involve a substantial research investment from customers. We consider the task of identifying High Consideration (HC) queries. Identifying such queries enables e-commerce sites to better se…

Cited by 0SourcePDFScholar
2022

Wizard of Tasks: A Novel Conversational Dataset for Solving Real-World Tasks in Conversational Settings

COLING 2022main

Conversational Task Assistants (CTAs) are conversational agents whose goal is to help humans perform real-world tasks. CTAs can help in exploring available tasks, answering task-specific questions and guiding users through step-by-step instructions. In this work, we present Wizard of Tasks, the firs…

Cited by 24SourcePDFScholar