activity
20202026
most citedDCN V2: Improved Deep & Cross Network and Practical Lessons for Web-scale Learning to Rank Systems

567 citations · 646 across the 17 of their papers we have counts for

collaborators

17 papers

cs.IR2026

Deep-learning Causal Retrieval Optimization for Efficient e-commerce Distribution in Pinterest

Junpeng Hou, XianXing Zhang, Sai Xiao +6

Pinterest is where people turn inspiration into action as users browse ideas, then take steps toward realization, often by discovering shoppable content. To support this journey, w…

cs.NE2026

PACEvolve: Enabling Progress-Aware Consistent Evolution

Minghao Yan, Bo Peng, Benjamin Coleman +13

Self-evolving agents powered by Large Language Models (LLMs) have emerged as a promising direction across diverse domains, including code optimization and scientific discovery, yet…

cs.CL2025

Evo-Memory: Benchmarking LLM Agent Test-time Learning with Self-Evolving Memory

Tianxin Wei, Noveen Sachdeva, Benjamin Coleman +12

Statefulness is essential for large language model (LLM) agents to perform long-term planning and problem-solving. This makes memory a critical component, yet its management and ev…

cs.IR2025★ 1 cited

ActionPiece: Contextually Tokenizing Action Sequences for Generative Recommendation

Yupeng Hou, Jianmo Ni, Zhankui He +5

Generative recommendation (GR) is an emerging paradigm where user actions are tokenized into discrete token patterns and autoregressively generated as predictions. However, existin…

cs.LG2024★ 4 cited

How to Train Data-Efficient LLMs

Noveen Sachdeva, Benjamin Coleman, Wang-Cheng Kang +6

The training of large language models (LLMs) is expensive. In this paper, we study data-efficient approaches for pre-training LLMs, i.e., techniques that aim to optimize the Pareto…

cs.LG2023

Farzi Data: Autoregressive Data Distillation

Noveen Sachdeva, Zexue He, Wang-Cheng Kang +3

We study data distillation for auto-regressive machine learning tasks, where the input and output have a strict left-to-right causal structure. More specifically, we propose Farzi,…

cs.IR2023★ 1 cited

HyperFormer: Learning Expressive Sparse Feature Representations via Hypergraph Transformer

Kaize Ding, Albert Jiongqian Liang, Bryan Perrozi +6

Learning expressive representations for high-dimensional yet sparse features has been a longstanding problem in information retrieval. Though recent deep learning methods can parti…

cs.IR2023★ 24 cited

Do LLMs Understand User Preferences? Evaluating LLMs On User Rating Prediction

Wang-Cheng Kang, Jianmo Ni, Nikhil Mehta +4

Large Language Models (LLMs) have demonstrated exceptional capabilities in generalizing to new tasks in a zero-shot or few-shot manner. However, the extent to which LLMs can compre…

cs.LG2023★ 4 cited

Unified Embedding: Battle-Tested Feature Representations for Web-Scale ML Systems

Benjamin Coleman, Wang-Cheng Kang, Matthew Fahrbach +4

Learning high-quality feature embeddings efficiently and effectively is critical for the performance of web-scale machine learning systems. A typical model ingests hundreds of feat…

cs.IR2022★ 1 cited

Empowering Long-tail Item Recommendation through Cross Decoupling Network (CDN)

Yin Zhang, Ruoxi Wang, Tiansheng Yao +5

Industry recommender systems usually suffer from highly-skewed long-tail item distributions where a small fraction of the items receives most of the user feedback. This skew hurts…

cs.IR2020★ 7 cited

A Model of Two Tales: Dual Transfer Learning Framework for Improved Long-tail Item Recommendation

Yin Zhang, Derek Zhiyuan Cheng, Tiansheng Yao +3

Highly skewed long-tail item distribution is very common in recommendation systems. It significantly hurts model performance on tail items. To improve tail-item recommendation, we…

cs.LG2020★ 2 cited

Learning to Embed Categorical Features without Embedding Tables for Recommendation

Wang-Cheng Kang, Derek Zhiyuan Cheng, Tiansheng Yao +4

Embedding learning of categorical features (e.g. user/item IDs) is at the core of various recommendation models including matrix factorization and neural collaborative filtering. T…

cs.LG2020★ 4 cited

Beyond Point Estimate: Inferring Ensemble Prediction Variation from Neuron Activation Strength in Recommender Systems

Zhe Chen, Yuyan Wang, Dong Lin +4

Despite deep neural network (DNN)'s impressive prediction performance in various domains, it is well known now that a set of DNN models trained with the same model specification an…

cs.IR2020★ 567 cited

DCN V2: Improved Deep & Cross Network and Practical Lessons for Web-scale Learning to Rank Systems

Ruoxi Wang, Rakesh Shivanna, Derek Z. Cheng +4

Learning effective feature crosses is the key behind building recommender systems. However, the sparse and large feature space requires exhaustive search to identify effective cros…

cs.LG2020★ 1 cited

Content-based Music Similarity with Triplet Networks

Joseph Cleveland, Derek Cheng, Michael Zhou +2

We explore the feasibility of using triplet neural networks to embed songs based on content-based music similarity. Our network is trained using triplets of songs such that two son…

cs.LG2020★ 29 cited

Self-supervised Learning for Large-scale Item Recommendations

Tiansheng Yao, Xinyang Yi, Derek Zhiyuan Cheng +8

Large scale recommender models find most relevant items from huge catalogs, and they play a critical role in modern search and recommendation systems. To model the input space with…

cs.IR2020★ 1 cited

Learning Multi-granular Quantized Embeddings for Large-Vocab Categorical Features in Recommender Systems

Wang-Cheng Kang, Derek Zhiyuan Cheng, Ting Chen +4

Recommender system models often represent various sparse features like users, items, and categorical features via embeddings. A standard approach is to map each unique feature valu…