92 citations
4 papers
Weighted implicit-explicit discontinuous Galerkin methods for two-dimensional Ginzburg-Landau equations on general meshes
Zhen Guan, Xianxian Cao
In this paper, a second-order linearized discontinuous Galerkin method on general meshes, which treats the backward differentiation formula of order two (BDF2) and Crank-Nicolson s…
The expected subtree number index in random polyphenylene and spiro chains
Yu Yang, Xiao-Jun Sun, Jia-Yi Cao +2
Subtree number index of a graph is the number of nonempty subtrees of . It is a structural and counting based topological index that has received more and mo…
Improving Twitter Sentiment Classification via Multi-Level Sentiment-Enriched Word Embeddings
Shufeng Xiong
Most of existing work learn sentiment-specific word representation for improving Twitter sentiment classification, which encoded both n-gram and distant supervised tweet sentiment…
Distance Metric Learning for Aspect Phrase Grouping
Shufeng Xiong, Yue Zhang, Donghong Ji +1
Aspect phrase grouping is an important task in aspect-level sentiment analysis. It is a challenging problem due to polysemy and context dependency. We propose an Attention-based De…