activity
20182022
most citedAlchemy: A Quantum Chemistry Dataset for Benchmarking AI Models

65 citations · 167 across the 11 of their papers we have counts for

collaborators

13 papers

cs.IR2022★ 1 cited

A Graph-Enhanced Click Model for Web Search

Jianghao Lin, Weiwen Liu, Xinyi Dai +6

To better exploit search logs and model users' behavior patterns, numerous click models are proposed to extract users' implicit interaction feedback. Most traditional click models…

cs.IR2021

Retrieval & Interaction Machine for Tabular Data Prediction

Jiarui Qin, Weinan Zhang, Rong Su +5

Prediction over tabular data is an essential task in many data science applications such as recommender systems, online advertising, medical treatment, etc. Tabular data is structu…

cs.IR2021★ 5 cited

Balancing Accuracy and Fairness for Interactive Recommendation with Reinforcement Learning

Weiwen Liu, Feng Liu, Ruiming Tang +3

Fairness in recommendation has attracted increasing attention due to bias and discrimination possibly caused by traditional recommenders. In Interactive Recommender Systems (IRS),…

cs.IR2021★ 32 cited

An Adversarial Imitation Click Model for Information Retrieval

Xinyi Dai, Jianghao Lin, Weinan Zhang +7

Modern information retrieval systems, including web search, ads placement, and recommender systems, typically rely on learning from user feedback. Click models, which study how use…

cs.IR2020

Opportunistic Multi-aspect Fairness through Personalized Re-ranking

Nasim Sonboli, Farzad Eskandanian, Robin Burke +2

As recommender systems have become more widespread and moved into areas with greater social impact, such as employment and housing, researchers have begun to seek ways to ensure fa…

cs.IR2020★ 6 cited

Inter-sequence Enhanced Framework for Personalized Sequential Recommendation

Feng Liu, Weiwen Liu, Xutao Li +1

Modeling the sequential correlation of users' historical interactions is essential in sequential recommendation. However, the majority of the approaches mainly focus on modeling th…

cs.IR2019

Consistency-Aware Recommendation for User-Generated ItemList Continuation

Yun He, Yin Zhang, Weiwen Liu +1

User-generated item lists are popular on many platforms. Examples include video-based playlists on YouTube, image-based lists (or"boards") on Pinterest, book-based lists on Goodrea…

cs.LG2019

Contextual Combinatorial Conservative Bandits

Xiaojin Zhang, Shuai Li, Weiwen Liu +1

The problem of multi-armed bandits (MAB) asks to make sequential decisions while balancing between exploitation and exploration, and have been successfully applied to a wide range…

cs.IR2019★ 1 cited

Wasserstein Collaborative Filtering for Item Cold-start Recommendation

Yitong Meng, Guangyong Chen, Benben Liao +2

The item cold-start problem seriously limits the recommendation performance of Collaborative Filtering (CF) methods when new items have either none or very little interactions. To…

cs.IR2019

PMD: An Optimal Transportation-based User Distance for Recommender Systems

Yitong Meng, Xinyan Dai, Xiao Yan +5

Collaborative filtering, a widely-used recommendation technique, predicts a user's preference by aggregating the ratings from similar users. As a result, these measures cannot full…

cs.LG2019★ 65 cited

Alchemy: A Quantum Chemistry Dataset for Benchmarking AI Models

Guangyong Chen, Pengfei Chen, Chang-Yu Hsieh +9

We introduce a new molecular dataset, named Alchemy, for developing machine learning models useful in chemistry and material science. As of June 20th 2019, the dataset comprises of…

cs.LG2019★ 17 cited

Utilizing Edge Features in Graph Neural Networks via Variational Information Maximization

Pengfei Chen, Weiwen Liu, Chang-Yu Hsieh +2

Graph Neural Networks (GNNs) achieve an impressive performance on structured graphs by recursively updating the representation vector of each node based on its neighbors, during wh…

cs.IR2018★ 40 cited

Personalizing Fairness-aware Re-ranking

Weiwen Liu, Robin Burke

Personalized recommendation brings about novel challenges in ensuring fairness, especially in scenarios in which users are not the only stakeholders involved in the recommender sys…