2 code implementations • 19 Sep 2023 • Aiyuan Yang, Bin Xiao, Bingning Wang, Borong Zhang, Ce Bian, Chao Yin, Chenxu Lv, Da Pan, Dian Wang, Dong Yan, Fan Yang, Fei Deng, Feng Wang, Feng Liu, Guangwei Ai, Guosheng Dong, Haizhou Zhao, Hang Xu, Haoze Sun, Hongda Zhang, Hui Liu, Jiaming Ji, Jian Xie, Juntao Dai, Kun Fang, Lei Su, Liang Song, Lifeng Liu, Liyun Ru, Luyao Ma, Mang Wang, Mickel Liu, MingAn Lin, Nuolan Nie, Peidong Guo, Ruiyang Sun, Tao Zhang, Tianpeng Li, Tianyu Li, Wei Cheng, WeiPeng Chen, Xiangrong Zeng, Xiaochuan Wang, Xiaoxi Chen, Xin Men, Xin Yu, Xuehai Pan, Yanjun Shen, Yiding Wang, Yiyu Li, Youxin Jiang, Yuchen Gao, Yupeng Zhang, Zenan Zhou, Zhiying Wu
Large language models (LLMs) have demonstrated remarkable performance on a variety of natural language tasks based on just a few examples of natural language instructions, reducing the need for extensive feature engineering.
no code implementations • 27 May 2021 • Yinyu Lan, Shizhu He, Xiangrong Zeng, Shengping Liu, Kang Liu, Jun Zhao
To address the above issues, this paper proposes two novel path-based reasoning methods to solve the sparsity issues of entity and path respectively, which adopts the textual semantic information of entities and paths for MedKGC.
1 code implementation • 3 Nov 2020 • Dianbo Sui, Yubo Chen, Kang Liu, Jun Zhao, Xiangrong Zeng, Shengping Liu
Compared with cross-entropy loss that highly penalizes small shifts in triple order, the proposed bipartite matching loss is invariant to any permutation of predictions; thus, it can provide the proposed networks with a more accurate training signal by ignoring triple order and focusing on relation types and entities.
Ranked #1 on Joint Entity and Relation Extraction on NYT
no code implementations • IJCNLP 2019 • Xiangrong Zeng, Shizhu He, Daojian Zeng, Kang Liu, Shengping Liu, Jun Zhao
Existing works didn{'}t consider the extraction order of relational facts in a sentence.
1 code implementation • ACL 2018 • Xiangrong Zeng, Daojian Zeng, Shizhu He, Kang Liu, Jun Zhao
The relational facts in sentences are often complicated.
Ranked #12 on Relation Extraction on NYT11-HRL
1 code implementation • EACL 2017 • Shangmin Guo, Xiangrong Zeng, Shizhu He, Kang Liu, Jun Zhao
As one of the most important test of China, Gaokao is designed to be difficult enough to distinguish the excellent high school students.
3 code implementations • 15 Sep 2014 • Xiangrong Zeng, Mário A. T. Figueiredo
The ordered weighted $\ell_1$ norm (OWL) was recently proposed, with two different motivations: its good statistical properties as a sparsity promoting regularizer; the fact that it generalizes the so-called {\it octagonal shrinkage and clustering algorithm for regression} (OSCAR), which has the ability to cluster/group regression variables that are highly correlated.
no code implementations • 11 Apr 2014 • Xiangrong Zeng, Mário A. T. Figueiredo
We consider a new family of regularizers, termed {\it weighted sorted $\ell_1$ norms} (WSL1), which generalizes the recently introduced {\it octagonal shrinkage and clustering algorithm for regression} (OSCAR) and also contains the $\ell_1$ and $\ell_{\infty}$ norms as particular instances.
no code implementations • 20 Feb 2014 • Xiangrong Zeng, Mário A. T. Figueiredo
The subgradient of the 2D one-sided $\ell_1$ (or $\ell_2$) penalty and the projection onto the $K$-sparsity and TV or MTV constraint can be computed efficiently, allowing the appliaction of algorithms of the {\it forward-backward splitting} (a. k. a.
no code implementations • 20 Feb 2014 • Xiangrong Zeng, Mário A. T. Figueiredo
We show that the proximity operator of 2OSCAR can be computed based on that of OSCAR.
no code implementations • 20 Feb 2014 • Xiangrong Zeng, Mário A. T. Figueiredo
We propose a new method, {\it binary fused compressive sensing} (BFCS), to recover sparse piece-wise smooth signals from 1-bit compressive measurements.
no code implementations • 20 Feb 2014 • Xiangrong Zeng, Mário A. T. Figueiredo
We propose a new method, {\it robust binary fused compressive sensing} (RoBFCS), to recover sparse piece-wise smooth signals from 1-bit compressive measurements.
no code implementations • 18 Oct 2013 • Xiangrong Zeng, Mário A. T. Figueiredo
We propose a novel SPARsity and Clustering (SPARC) regularizer, which is a modified version of the previous octagonal shrinkage and clustering algorithm for regression (OSCAR), where, the proposed regularizer consists of a $K$-sparse constraint and a pair-wise $\ell_{\infty}$ norm restricted on the $K$ largest components in magnitude.
no code implementations • 24 Sep 2013 • Xiangrong Zeng, Mário A. T. Figueiredo
The OSCAR regularizer has a non-trivial proximity operator, which limits its applicability.