activity
20152023
most citedDCN V2: Improved Deep & Cross Network and Practical Lessons for Web-scale Learning to Rank Systems

567 citations · 656 across the 10 of their papers we have counts for

collaborators

10 papers

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.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.CV2021★ 1 cited

Surgical Gesture Recognition Based on Bidirectional Multi-Layer Independently RNN with Explainable Spatial Feature Extraction

Dandan Zhang, Ruoxi Wang, Benny Lo

Minimally invasive surgery mainly consists of a series of sub-tasks, which can be decomposed into basic gestures or contexts. As a prerequisite of autonomic operation, surgical ges…

eess.IV2020

Real-time Surgical Environment Enhancement for Robot-Assisted Minimally Invasive Surgery Based on Super-Resolution

Ruoxi Wang, Dandan Zhang, Qingbiao Li +2

In Robot-Assisted Minimally Invasive Surgery (RAMIS), a camera assistant is normally required to control the position and zooming ratio of the laparoscope, following the surgeon's…

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.MS2019★ 14 cited

PBBFMM3D: a parallel black-box algorithm for kernel matrix-vector multiplication

Ruoxi Wang, Chao Chen, Jonghyun Lee +1

Kernel matrix-vector product is ubiquitous in many science and engineering applications. However, a naive method requires operations, which becomes prohibitive for large-s…

cs.LG2017★ 46 cited

Deep & Cross Network for Ad Click Predictions

Ruoxi Wang, Bin Fu, Gang Fu +1

Feature engineering has been the key to the success of many prediction models. However, the process is non-trivial and often requires manual feature engineering or exhaustive searc…

math.NA2017★ 14 cited

On the numerical rank of radial basis function kernels in high dimension

Ruoxi Wang, Yingzhou Li, Eric Darve

Low-rank approximations are popular methods to reduce the high computational cost of algorithms involving large-scale kernel matrices. The success of low-rank methods hinges on the…

stat.ML2015★ 8 cited

Block Basis Factorization for Scalable Kernel Matrix Evaluation

Ruoxi Wang, Yingzhou Li, Michael W. Mahoney +1

Kernel methods are widespread in machine learning; however, they are limited by the quadratic complexity of the construction, application, and storage of kernel matrices. Low-rank…