no code implementations • BioNLP (ACL) 2022 • Avisha Das, Salih Selek, Alia R. Warner, Xu Zuo, Yan Hu, Vipina Kuttichi Keloth, Jianfu Li, W. Jim Zheng, Hua Xu
Through quantitative evaluation of the linguistic quality, we observe that the dialog generation model - DialoGPT (345M) with transfer learning on video data attains scores similar to a human response baseline.
3 code implementations • ACL 2022 • Huisheng Mao, Ziqi Yuan, Hua Xu, Wenmeng Yu, Yihe Liu, Kai Gao
The platform features a fully modular video sentiment analysis framework consisting of data management, feature extraction, model training, and result analysis modules.
1 code implementation • 11 Mar 2022 • Hanlei Zhang, Hua Xu, Shaojie Zhao, Qianrui Zhou
On the one hand, the existing methods have limitations in learning robust representations to detect the open intent without any prior knowledge.
1 code implementation • Findings (ACL) 2022 • Kang Zhao, Hua Xu, Jiangong Yang, Kai Gao
Specifically, supervised contrastive learning based on a memory bank is first used to train each new task so that the model can effectively learn the relation representation.
no code implementations • 20 Oct 2021 • Sijia Liu, Andrew Wen, LiWei Wang, Huan He, Sunyang Fu, Robert Miller, Andrew Williams, Daniel Harris, Ramakanth Kavuluru, Mei Liu, Noor Abu-el-rub, Dalton Schutte, Rui Zhang, Masoud Rouhizadeh, John D. Osborne, Yongqun He, Umit Topaloglu, Stephanie S Hong, Joel H Saltz, Thomas Schaffter, Emily Pfaff, Christopher G. Chute, Tim Duong, Melissa A. Haendel, Rafael Fuentes, Peter Szolovits, Hua Xu, Hongfang Liu, Natural Language Processing, Subgroup, National COVID Cohort Collaborative
Although we use COVID-19 as a use case in this effort, our framework is general enough to be applied to other domains of interest in clinical NLP.
1 code implementation • 3 Oct 2021 • Laila Rasmy, Jie Zhu, Zhiheng Li, Xin Hao, Hong Thoai Tran, Yujia Zhou, Firat Tiryaki, Yang Xiang, Hua Xu, Degui Zhi
As a result, deep learning models developed for sequence modeling, like recurrent neural networks (RNNs) are common architecture for EHR-based clinical events predictive models.
2 code implementations • ACL 2021 • Hanlei Zhang, Xiaoteng Li, Hua Xu, Panpan Zhang, Kang Zhao, Kai Gao
It is composed of two main modules: open intent detection and open intent discovery.
no code implementations • 4 Aug 2021 • Greg M. Silverman, Raymond L. Finzel, Michael V. Heinz, Jake Vasilakes, Jacob C. Solinsky, Reed McEwan, Benjamin C. Knoll, Christopher J. Tignanelli, Hongfang Liu, Hua Xu, Xiaoqian Jiang, Genevieve B. Melton, Serguei VS Pakhomov
Our objective in this study is to investigate the behavior of Boolean operators on combining annotation output from multiple Natural Language Processing (NLP) systems across multiple corpora and to assess how filtering by aggregation of Unified Medical Language System (UMLS) Metathesaurus concepts affects system performance for Named Entity Recognition (NER) of UMLS concepts.
no code implementations • 23 Jul 2021 • Yu Jing, Xiaogang Li, Yang Yang, Chonghang Wu, Wenbing Fu, Wei Hu, Yuanyuan Li, Hua Xu
With the rapid growth of qubit numbers and coherence times in quantum hardware technology, implementing shallow neural networks on the so-called Noisy Intermediate-Scale Quantum (NISQ) devices has attracted a lot of interest.
no code implementations • 24 Jun 2021 • Dalton Schutte, Jake Vasilakes, Anu Bompelli, Yuqi Zhou, Marcelo Fiszman, Hua Xu, Halil Kilicoglu, Jeffrey R. Bishop, Terrence Adam, Rui Zhang
MATERIALS AND METHODS: We created SemRepDS (an extension of SemRep), capable of extracting semantic relations from abstracts by leveraging a DS-specific terminology (iDISK) containing 28, 884 DS terms not found in the UMLS.
1 code implementation • 8 May 2021 • Kang Zhao, Hua Xu, Yue Cheng, Xiaoteng Li, Kai Gao
Joint entity and relation extraction is an essential task in information extraction, which aims to extract all relational triples from unstructured text.
Ranked #2 on
Relation Extraction
on SemEval-2010 Task 8
Joint Entity and Relation Extraction
Relation Classification
2 code implementations • 9 Feb 2021 • Wenmeng Yu, Hua Xu, Ziqi Yuan, Jiele Wu
On MOSI and MOSEI datasets, our method surpasses the current state-of-the-art methods.
1 code implementation • 18 Dec 2020 • Hanlei Zhang, Hua Xu, Ting-En Lin
In this paper, we propose a post-processing method to learn the adaptive decision boundary (ADB) for open intent classification.
Ranked #1 on
Open Intent Detection
on BANKING77 (25%known)
2 code implementations • 16 Dec 2020 • Hanlei Zhang, Hua Xu, Ting-En Lin, Rui Lyu
In this work, we propose an effective method, Deep Aligned Clustering, to discover new intents with the aid of the limited known intent data.
Ranked #1 on
Open Intent Discovery
on CLINC150
1 code implementation • ACM Multimedia 2020 • Kaicheng Yang, Hua Xu, Kai Gao
In this paper, we propose the Cross-Modal BERT (CM-BERT), which relies on the interaction of text and audio modality to fine-tune the pre-trained BERT model.
Ranked #1 on
Multimodal Sentiment Analysis
on MOSI
no code implementations • 13 Jul 2020 • Jingqi Wang, Noor Abu-el-rub, Josh Gray, Huy Anh Pham, Yujia Zhou, Frank Manion, Mei Liu, Xing Song, Hua Xu, Masoud Rouhizadeh, Yaoyun Zhang
To this end, this study aims at adapting the existing CLAMP natural language processing tool to quickly build COVID-19 SignSym, which can extract COVID-19 signs/symptoms and their 8 attributes (body location, severity, temporal expression, subject, condition, uncertainty, negation, and course) from clinical text.
1 code implementation • ACL 2020 • Wenmeng Yu, Hua Xu, Fanyang Meng, Yilin Zhu, Yixiao Ma, Jiele Wu, Jiyun Zou, Kai-Cheng Yang
Previous studies in multimodal sentiment analysis have used limited datasets, which only contain unified multimodal annotations.
no code implementations • Knowledge-Based Systems, 105916. 2020 • Yan Zhang, Hua Xu, Yunfeng Xu, Junhui Deng, Juan Gu, Rui Ma, Jie Lai, Jiangtao Hu, Xiaoshuai Yu, Lei Hou, Lidong Gu, Yanling Wei, Yichao Xiao, Junhao Lu
In this paper, we try to give a more visual and detailed definition of structural hole spanner based on the existing work, and propose a novel algorithm to identify structural hole spanner based on community forest model and diminishing marginal utility.
no code implementations • 13 Apr 2020 • Hong Guan, Jianfu Li, Hua Xu, Murthy Devarakonda
Background: Identifying relationships between clinical events and temporal expressions is a key challenge in meaningfully analyzing clinical text for use in advanced AI applications.
1 code implementation • 7 Mar 2020 • Ting-En Lin, Hua Xu
In this paper, we propose SofterMax and deep novelty detection (SMDN), a simple yet effective post-processing method for detecting unknown intent in dialogue systems based on pre-trained deep neural network classifiers.
1 code implementation • 20 Nov 2019 • Ting-En Lin, Hua Xu, Hanlei Zhang
Identifying new user intents is an essential task in the dialogue system.
Ranked #1 on
Open Intent Discovery
on SNIPS
no code implementations • 9 Aug 2019 • Zongcheng Ji, Qiang Wei, Hua Xu
Developing high-performance entity normalization algorithms that can alleviate the term variation problem is of great interest to the biomedical community.
1 code implementation • ACL 2019 • Ting-En Lin, Hua Xu
With margin loss, we can learn discriminative deep features by forcing the network to maximize inter-class variance and to minimize intra-class variance.
Ranked #1 on
Open Intent Detection
on SNIPS (25% known)
no code implementations • NAACL 2019 • Jiatong Li, Kai Zheng, Hua Xu, Qiaozhu Mei, Yue Wang
When developing topic classifiers for real-world applications, we begin by defining a set of meaningful topic labels.
no code implementations • 22 Feb 2019 • Yuqi Si, Jingqi Wang, Hua Xu, Kirk Roberts
We explore a battery of embedding methods consisting of traditional word embeddings and contextual embeddings, and compare these on four concept extraction corpora: i2b2 2010, i2b2 2012, SemEval 2014, and SemEval 2015.
Ranked #1 on
Clinical Concept Extraction
on 2010 i2b2/VA
no code implementations • Knowledge-Based Systems. 109. 10.1016 2016 • Yunfeng Xu, Hua Xu, Dongwen Zhang, Yan Zhang
Overlapping community detection is the key research work to discover and explore the social networks.