cs.IR 1804.04212

Word2Vec applied to Recommendation: Hyperparameters Matter

This paper analyzes the impact of hyperparameters in Word2Vec's Skip-gram negative sampling for recommendation, showing significant performance gains through optimization.

Hugo Caselles-Dupré, Florian Lesaint, Jimena Royo-Letelier

2018-04-12 40
cs.CV 1804.01654

Pixel2Mesh: Generating 3D Mesh Models from Single RGB Images

Pixel2Mesh employs graph convolutional networks to deform an initial ellipsoid into detailed 3D meshes from a single RGB image, outperforming state-of-the-art by significant margins.

Nanyang Wang, Yinda Zhang, Zhuwen Li et al.

2018-04-05 76
quant-ph 1803.11173

Barren plateaus in quantum neural network training landscapes

This paper demonstrates that random parameterized quantum circuits exhibit exponential gradient vanishing (barren plateaus) in high-dimensional Hilbert space, severely limiting the effectiveness of gradient-based training.

Jarrod R. McClean, Sergio Boixo, Vadim N. Smelyanskiy et al.

2018-03-30 2938 citations 37
cs.CV 1803.10091

Point Convolutional Neural Networks by Extension Operators

Proposes Point Convolutional Neural Networks (PCNN) using extension-restriction operators, achieving invariant, robust point cloud convolution with state-of-the-art results.

Matan Atzmon, Haggai Maron, Yaron Lipman

2018-03-27 29