Reinforcement learning over sentiment-augmented knowledge graphs towards accurate and explainable recommendation

SJ Park, DK Chae, HK Bae, S Park… - Proceedings of the fifteenth …, 2022 - dl.acm.org
Explainable recommendation has gained great attention in recent years. A lot of work in this
research line has chosen to use the knowledge graphs (KG) where relations between …

AR-CF: Augmenting virtual users and items in collaborative filtering for addressing cold-start problems

DK Chae, J Kim, DH Chau, SW Kim - Proceedings of the 43rd …, 2020 - dl.acm.org
Cold-start problems are arguably the biggest challenges faced by collaborative filtering (CF)
used in recommender systems. When few ratings are available, CF models typically fail to …

Asine: Adversarial signed network embedding

YC Lee, N Seo, K Han, SW Kim - … of the 43rd international acm sigir …, 2020 - dl.acm.org
Motivated by a success of generative adversarial networks (GAN) in various domains
including information retrieval, we propose a novel signed network embedding framework …

Counteracting Duration Bias in Video Recommendation via Counterfactual Watch Time

H Zhao, G Cai, J Zhu, Z Dong, J Xu… - Proceedings of the 30th …, 2024 - dl.acm.org
In video recommendation, an ongoing effort is to satisfy users' personalized information
needs by leveraging their logged watch time. However, watch time prediction suffers from …

Effective and efficient negative sampling in metric learning based recommendation

J Park, YC Lee, SW Kim - Information Sciences, 2022 - Elsevier
In this paper, we start by pointing out the problem of a negative sampling (NS) strategy,
denoted as nearest-NS (NNS), used in metric learning (ML)-based recommendation …

Serenade-low-latency session-based recommendation in e-commerce at scale

B Kersbergen, O Sprangers, S Schelter - Proceedings of the 2022 …, 2022 - dl.acm.org
Session-based recommendation predicts the next item with which a user will interact, given
a sequence of her past interactions with other items. This machine learning problem targets …

Learning to distinguish multi-user coupling behaviors for tv recommendation

J Qin, J Zhu, Y Liu, J Gao, J Ying, C Liu… - Proceedings of the …, 2023 - dl.acm.org
This paper is concerned with TV recommendation, where one major challenge is the
coupling behavior issue that the behaviors of multiple users are coupled together and not …

M-BPR: A novel approach to improving BPR for recommendation with multi-type pair-wise preferences

YC Lee, T Kim, J Choi, X He, SW Kim - Information Sciences, 2021 - Elsevier
In this paper, we examine the two assumptions of the Bayesian personalized ranking (BPR),
a well-known pair-wise method for one-class collaborative filtering (OCCF):(1) a user with …

AiRS: a large-scale recommender system at naver news

H Lim, YC Lee, JS Lee, S Han, S Kim… - 2022 IEEE 38th …, 2022 - ieeexplore.ieee.org
Online news providers such as Google News, Bing News, and NAVER News collect a large
number of news articles from a variety of presses and distribute these articles to users via …

Mascot: A quantization framework for efficient matrix factorization in recommender systems

Y Ko, JS Yu, HK Bae, Y Park, D Lee… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
In recent years, quantization methods have successfully accelerated the training of large
deep neural network (DNN) models by reducing the level of precision in computing …