activity
20172026
most citedLarge Language Models for User Interest Journeys

6 citations · 16 across the 8 of their papers we have counts for

collaborators

10 papers

cs.IR2026

LLM-Based User Personas for Recommendations at Scale

Haoting Wang, Haokai Lu, Zheyun Feng +14

Large Language Models (LLMs) offer unprecedented potential for enhancing recommendation systems through their world knowledge and reasoning capabilities. However, existing approach…

cs.AI2025

Conversational Planning for Personal Plans

Konstantina Christakopoulou, Iris Qu, John Canny +4

The language generation and reasoning capabilities of large language models (LLMs) have enabled conversational systems with impressive performance in a variety of tasks, from code…

cs.AI2024★ 2 cited

Agents Thinking Fast and Slow: A Talker-Reasoner Architecture

Konstantina Christakopoulou, Shibl Mourad, Maja Matarić

Large language models have enabled agents of all kinds to interact with users through natural conversation. Consequently, agents now have two jobs: conversing and planning/reasonin…

cs.CL2023★ 6 cited

Large Language Models for User Interest Journeys

Konstantina Christakopoulou, Alberto Lalama, Cj Adams +10

Large language models (LLMs) have shown impressive capabilities in natural language understanding and generation. Their potential for deeper user understanding and improved persona…

cs.IR2022★ 2 cited

Reward Shaping for User Satisfaction in a REINFORCE Recommender

Konstantina Christakopoulou, Can Xu, Sai Zhang +10

How might we design Reinforcement Learning (RL)-based recommenders that encourage aligning user trajectories with the underlying user satisfaction? Three research questions are key…

cs.IR2022★ 5 cited

Rethinking Reinforcement Learning for Recommendation: A Prompt Perspective

Xin Xin, Tiago Pimentel, Alexandros Karatzoglou +3

Modern recommender systems aim to improve user experience. As reinforcement learning (RL) naturally fits this objective -- maximizing an user's reward per session -- it has become…