no code implementations • 19 Dec 2024 • Ruoyu Xu, Zhiyu Xiang, Chenwei Zhang, Hanzhi Zhong, Xijun Zhao, Ruina Dang, Peng Xu, Tianyu Pu, Eryun Liu
It characterizes the capability of learning the feature from a Lidar-radar-fused teacher network with semi-supervised distillation.
1 code implementation • 28 Oct 2024 • Yilun Jin, Zheng Li, Chenwei Zhang, Tianyu Cao, Yifan Gao, Pratik Jayarao, Mao Li, Xin Liu, Ritesh Sarkhel, Xianfeng Tang, Haodong Wang, Zhengyang Wang, Wenju Xu, Jingfeng Yang, Qingyu Yin, Xian Li, Priyanka Nigam, Yi Xu, Kai Chen, Qiang Yang, Meng Jiang, Bing Yin
Shopping MMLU consists of 57 tasks covering 4 major shopping skills: concept understanding, knowledge reasoning, user behavior alignment, and multi-linguality, and can thus comprehensively evaluate the abilities of LLMs as general shop assistants.
no code implementations • 20 Sep 2024 • Yuxuan Hu, Chenwei Zhang, Min Yang, Xiaodan Liang, Chengming Li, Xiping Hu
In this paper, we study the multi-source Domain Generalization of text classification and propose a framework to use multiple seen domains to train a model that can achieve high accuracy in an unseen domain.
1 code implementation • 24 Jul 2024 • Chenwei Zhang, Anne Condon, Khanh Dao Duc
Generating synthetic cryogenic electron microscopy (cryo-EM) 3D density maps from molecular structures has potential important applications in structural biology.
Cryogenic Electron Microscopy (cryo-EM) Generative Adversarial Network
1 code implementation • 23 Jul 2024 • Yuxuan Hu, Minghuan Tan, Chenwei Zhang, Zixuan Li, Xiaodan Liang, Min Yang, Chengming Li, Xiping Hu
By incorporating emotional support strategies, we aim to enrich the model's capabilities in both cognitive and affective empathy, leading to a more nuanced and comprehensive empathetic response.
no code implementations • 19 Apr 2024 • Hoang H. Nguyen, Chenwei Zhang, Ye Liu, Natalie Parde, Eugene Rohrbaugh, Philip S. Yu
Naively assuming English as a source language may hinder cross-lingual transfer for many languages by failing to consider the importance of language contact.
no code implementations • 24 Feb 2024 • Chunhe Ni, Jiang Wu, Hongbo Wang, Wenran Lu, Chenwei Zhang
We gain a comprehensive understanding of semantic search principles and acquire practical skills for implementing semantic search in real-world model application scenarios.
no code implementations • 24 Feb 2024 • Chenwei Zhang, Wenran Lu, Chunhe Ni, Hongbo Wang, Jiang Wu
This iterative optimization process can continuously improve the quality and performance of the product to meet the changing needs of users.
no code implementations • 20 Feb 2024 • Jiang Wu, Hongbo Wang, Chunhe Ni, Chenwei Zhang, Wenran Lu
With the increasing diversification and complexity of Data sources, as well as the rapid growth of data volumes, building an efficient Data Pipeline has become crucial for improving work efficiency and solving complex problems.
1 code implementation • 6 Nov 2023 • Chenwei Zhang, Khanh Dao Duc, Anne Condon
Synthetic biologists and molecular programmers design novel nucleic acid reactions, with many potential applications.
1 code implementation • 6 Nov 2023 • Chenwei Zhang, Jordan Lovrod, Boyan Beronov, Khanh Dao Duc, Anne Condon
Visualization tools can help synthetic biologists and molecular programmers understand the complex reactive pathways of nucleic acid reactions, which can be designed for many potential applications and can be modelled using a continuous-time Markov chain (CTMC).
2 code implementations • 1 Nov 2023 • Aryan Tajmir Riahi, Chenwei Zhang, James Chen, Anne Condon, Khanh Dao Duc
Aligning EM density maps and fitting atomic models are essential steps in single particle cryogenic electron microscopy (cryo-EM), with recent methods leveraging various algorithms and machine learning tools.
1 code implementation • 23 Oct 2023 • Hoang H. Nguyen, Ye Liu, Chenwei Zhang, Tao Zhang, Philip S. Yu
While Chain-of-Thought prompting is popular in reasoning tasks, its application to Large Language Models (LLMs) in Natural Language Understanding (NLU) is under-explored.
Abstract Meaning Representation Natural Language Understanding
1 code implementation • 9 Aug 2023 • Hoang H. Nguyen, Chenwei Zhang, Ye Liu, Philip S. Yu
Recent advanced methods in Natural Language Understanding for Task-oriented Dialogue (TOD) Systems (e. g., intent detection and slot filling) require a large amount of annotated data to achieve competitive performance.
1 code implementation • 10 Jul 2023 • Hoang H. Nguyen, Chenwei Zhang, Tao Zhang, Eugene Rohrbaugh, Philip S. Yu
Particularly, we propose unsupervised alignment objectives to capture (1) local one-to-one alignment between the two different modalities, (2) alignment via multi-modality contexts to leverage information from additional modalities, and (3) alignment via multilingual contexts where additional bilingual dictionaries are incorporated.
no code implementations • 4 Jul 2023 • Zijie Huang, Daheng Wang, Binxuan Huang, Chenwei Zhang, Jingbo Shang, Yan Liang, Zhengyang Wang, Xian Li, Christos Faloutsos, Yizhou Sun, Wei Wang
We propose Concept2Box, a novel approach that jointly embeds the two views of a KG using dual geometric representations.
no code implementations • 1 Jun 2023 • Hejie Cui, Rongmei Lin, Nasser Zalmout, Chenwei Zhang, Jingbo Shang, Carl Yang, Xian Li
Information extraction, e. g., attribute value extraction, has been extensively studied and formulated based only on text.
no code implementations • 26 May 2023 • Xuming Hu, Aiwei Liu, Zeqi Tan, Xin Zhang, Chenwei Zhang, Irwin King, Philip S. Yu
These techniques neither preserve the semantic consistency of the original sentences when rule-based augmentations are adopted, nor preserve the syntax structure of sentences when expressing relations using seq2seq models, resulting in less diverse augmentations.
1 code implementation • 26 May 2023 • Liyan Xu, Chenwei Zhang, Xian Li, Jingbo Shang, Jinho D. Choi
We present a new task setting for attribute mining on e-commerce products, serving as a practical solution to extract open-world attributes without extensive human intervention.
1 code implementation • 2 May 2023 • Xuming Hu, Zhaochen Hong, Chenwei Zhang, Irwin King, Philip S. Yu
Relation extraction (RE) aims to extract potential relations according to the context of two entities, thus, deriving rational contexts from sentences plays an important role.
no code implementations • 11 Nov 2022 • Xuming Hu, Shiao Meng, Chenwei Zhang, Xiangli Yang, Lijie Wen, Irwin King, Philip S. Yu
Low-Resource Information Extraction (LRIE) strives to use unsupervised data, reducing the required resources and human annotation.
1 code implementation • NAACL 2022 • Xuming Hu, Shuliang Liu, Chenwei Zhang, Shu`ang Li, Lijie Wen, Philip S. Yu
Unsupervised relation extraction aims to extract the relationship between entities from natural language sentences without prior information on relational scope or distribution.
1 code implementation • 29 Apr 2022 • Xinyang Zhang, Chenwei Zhang, Xian Li, Xin Luna Dong, Jingbo Shang, Christos Faloutsos, Jiawei Han
Most prior works on this matter mine new values for a set of known attributes but cannot handle new attributes that arose from constantly changing data.
1 code implementation • EMNLP 2021 • Xuming Hu, Chenwei Zhang, Yawen Yang, Xiaohe Li, Li Lin, Lijie Wen, Philip S. Yu
Low-resource Relation Extraction (LRE) aims to extract relation facts from limited labeled corpora when human annotation is scarce.
no code implementations • 9 Aug 2021 • Huimin Xu, Yi Bu, MeiJun Liu, Chenwei Zhang, Mengyi Sun, Yi Zhang, Eric Meyer, Eduardo Salas, Ying Ding
In Science of Science, few studies have looked at scientific collaboration from the perspective of team power dynamics.
no code implementations • 23 Feb 2021 • Xinyang Zhang, Chenwei Zhang, Luna Xin Dong, Jingbo Shang, Jiawei Han
Specifically, we jointly train two modules with different inductive biases -- a text analysis module for text understanding and a network learning module for class-discriminative, scalable network learning.
1 code implementation • Findings (EMNLP) 2021 • Xuming Hu, Chenwei Zhang, Fukun Ma, Chenyao Liu, Lijie Wen, Philip S. Yu
To alleviate human efforts from obtaining large-scale annotations, Semi-Supervised Relation Extraction methods aim to leverage unlabeled data in addition to learning from limited samples.
1 code implementation • Findings of the Association for Computational Linguistics 2020 • Hoang Nguyen, Chenwei Zhang, Congying Xia, Philip S. Yu
Although recent works demonstrate that multi-level matching plays an important role in transferring learned knowledge from seen training classes to novel testing classes, they rely on a static similarity measure and overly fine-grained matching components.
no code implementations • 6 Aug 2020 • Ye Liu, Shaika Chowdhury, Chenwei Zhang, Cornelia Caragea, Philip S. Yu
Unlike most other QA tasks that focus on linguistic understanding, HeadQA requires deeper reasoning involving not only knowledge extraction, but also complex reasoning with healthcare knowledge.
no code implementations • 24 Jun 2020 • Xin Luna Dong, Xiang He, Andrey Kan, Xi-An Li, Yan Liang, Jun Ma, Yifan Ethan Xu, Chenwei Zhang, Tong Zhao, Gabriel Blanco Saldana, Saurabh Deshpande, Alexandre Michetti Manduca, Jay Ren, Surender Pal Singh, Fan Xiao, Haw-Shiuan Chang, Giannis Karamanolakis, Yuning Mao, Yaqing Wang, Christos Faloutsos, Andrew McCallum, Jiawei Han
Can one build a knowledge graph (KG) for all products in the world?
no code implementations • 18 Jun 2020 • Yuning Mao, Tong Zhao, Andrey Kan, Chenwei Zhang, Xin Luna Dong, Christos Faloutsos, Jiawei Han
We propose to distantly train a sequence labeling model for term extraction and employ graph neural networks (GNNs) to capture the taxonomy structure as well as the query-item-taxonomy interactions for term attachment.
1 code implementation • EMNLP 2020 • Xuming Hu, Chenwei Zhang, Yusong Xu, Lijie Wen, Philip S. Yu
Open relation extraction is the task of extracting open-domain relation facts from natural language sentences.
no code implementations • 4 Apr 2020 • Congying Xia, Chenwei Zhang, Hoang Nguyen, Jiawei Zhang, Philip Yu
In this paper, we formulate a more realistic and difficult problem setup for the intent detection task in natural language understanding, namely Generalized Few-Shot Intent Detection (GFSID).
no code implementations • 3 Apr 2020 • Tingyi Wanyan, Chenwei Zhang, Ariful Azad, Xiaomin Liang, Daifeng Li, Ying Ding
We present a multi-filtering Graph Convolution Neural Network (GCN) framework for network embedding task.
no code implementations • 6 Dec 2019 • Shaika Chowdhury, Chenwei Zhang, Philip S. Yu, Yuan Luo
Distributed representations of medical concepts have been used to support downstream clinical tasks recently.
no code implementations • 26 Nov 2019 • Yue Wang, Chenwei Zhang, Shen Wang, Philip S. Yu, Lu Bai, Lixin Cui, Guandong Xu
We formalize networks with evolving structures as temporal networks and propose a generative link prediction model, Generative Link Sequence Modeling (GLSM), to predict future links for temporal networks.
no code implementations • 15 Oct 2019 • Shaika Chowdhury, Chenwei Zhang, Philip S. Yu, Yuan Luo
Predicting patient mortality is an important and challenging problem in the healthcare domain, especially for intensive care unit (ICU) patients.
no code implementations • 14 Oct 2019 • Shaika Chowdhury, Chenwei Zhang, Philip S. Yu, Yuan Luo
Distributed representations have been used to support downstream tasks in healthcare recently.
1 code implementation • 13 Aug 2019 • Ye Liu, Chenwei Zhang, Xiaohui Yan, Yi Chang, Philip S. Yu
To improve the quality and retrieval performance of the generated questions, we make two major improvements: 1) To better encode the semantics of ill-formed questions, we enrich the representation of questions with character embedding and the recent proposed contextual word embedding such as BERT, besides the traditional context-free word embeddings; 2) To make it capable to generate desired questions, we train the model with deep reinforcement learning techniques that considers an appropriate wording of the generation as an immediate reward and the correlation between generated question and answer as time-delayed long-term rewards.
no code implementations • 13 Aug 2019 • Yue Wang, Yao Wan, Chenwei Zhang, Lixin Cui, Lu Bai, Philip S. Yu
During the iterations, our model updates the parallel policies and the corresponding scenario-based regrets for agents simultaneously.
no code implementations • 23 Jul 2019 • Chenwei Zhang
In particular, four problems are studied in this dissertation: Structured Intent Detection for Natural Language Understanding, Structure-aware Natural Language Modeling, Generative Structured Knowledge Expansion, and Synonym Refinement on Structured Knowledge.
1 code implementation • ACL 2019 • Congying Xia, Chenwei Zhang, Tao Yang, Yaliang Li, Nan Du, Xian Wu, Wei Fan, Fenglong Ma, Philip Yu
This paper presents a novel framework, MGNER, for Multi-Grained Named Entity Recognition where multiple entities or entity mentions in a sentence could be non-overlapping or totally nested.
Ranked #5 on Nested Mention Recognition on ACE 2005
Multi-Grained Named Entity Recognition named-entity-recognition +5
no code implementations • 15 May 2019 • Bowen Dong, Jiawei Zhang, Chenwei Zhang, Yang Yang, Philip S. Yu
Online knowledge libraries refer to the online data warehouses that systematically organize and categorize the knowledge-based information about different kinds of concepts and entities.
1 code implementation • 31 Dec 2018 • Chenwei Zhang, Yaliang Li, Nan Du, Wei Fan, Philip S. Yu
Being able to automatically discover synonymous entities in an open-world setting benefits various tasks such as entity disambiguation or knowledge graph canonicalization.
3 code implementations • ACL 2019 • Chenwei Zhang, Yaliang Li, Nan Du, Wei Fan, Philip S. Yu
Being able to recognize words as slots and detect the intent of an utterance has been a keen issue in natural language understanding.
Ranked #9 on Intent Detection on SNIPS
no code implementations • 24 Oct 2018 • Ye Liu, Jiawei Zhang, Chenwei Zhang, Philip S. Yu
After a thorough investigation of an online movie knowledge library, a novel movie planning framework "Blockbuster Planning with Maximized Movie Configuration Acquaintance" (BigMovie) is introduced in this paper.
no code implementations • 14 Oct 2018 • Yaliang Li, Liuyi Yao, Nan Du, Jing Gao, Qi Li, Chuishi Meng, Chenwei Zhang, Wei Fan
Patients who have medical information demands tend to post questions about their health conditions on these crowdsourced Q&A websites and get answers from other users.
no code implementations • 27 Sep 2018 • Chenwei Zhang, Yaliang Li, Nan Du, Wei Fan, Philip S. Yu
Being able to automatically discover synonymous entities from a large free-text corpus has transformative effects on structured knowledge discovery.
no code implementations • 27 Sep 2018 • Congying Xia, Chenwei Zhang, Tao Yang, Yaliang Li, Nan Du, Xian Wu, Wei Fan, Fenglong Ma, Philip S. Yu
In this paper, we focus on a new Named Entity Recognition (NER) task, i. e., the Multi-grained NER task.
6 code implementations • EMNLP 2018 • Congying Xia, Chenwei Zhang, Xiaohui Yan, Yi Chang, Philip S. Yu
User intent detection plays a critical role in question-answering and dialog systems.
no code implementations • 23 Mar 2018 • Bokai Cao, Lei Zheng, Chenwei Zhang, Philip S. Yu, Andrea Piscitello, John Zulueta, Olu Ajilore, Kelly Ryan, Alex D. Leow
The increasing use of electronic forms of communication presents new opportunities in the study of mental health, including the ability to investigate the manifestations of psychiatric diseases unobtrusively and in the setting of patients' daily lives.
no code implementations • 19 Jan 2018 • Shaika Chowdhury, Chenwei Zhang, Philip S. Yu
Social media has grown to be a crucial information source for pharmacovigilance studies where an increasing number of people post adverse reactions to medical drugs that are previously unreported.
no code implementations • ICLR 2018 • Chenwei Zhang, Yaliang Li, Nan Du, Wei Fan, Philip S. Yu
Online healthcare services can provide the general public with ubiquitous access to medical knowledge and reduce the information access cost for both individuals and societies.
no code implementations • 26 Nov 2017 • Jiawei Zhang, Congying Xia, Chenwei Zhang, Limeng Cui, Yanjie Fu, Philip S. Yu
The closeness among users in the networks are defined as the meta proximity scores, which will be fed into DIME to learn the embedding vectors of users in the emerging network.
Social and Information Networks Databases
no code implementations • 22 Oct 2017 • Chenwei Zhang, Nan Du, Wei Fan, Yaliang Li, Chun-Ta Lu, Philip S. Yu
The healthcare status, complex medical information needs of patients are expressed diversely and implicitly in their medical text queries.
no code implementations • 11 Aug 2016 • Chenwei Zhang, Sihong Xie, Yaliang Li, Jing Gao, Wei Fan, Philip S. Yu
We propose a novel multi-source hierarchical prediction consolidation method to effectively exploits the complicated hierarchical label structures to resolve the noisy and conflicting information that inherently originates from multiple imperfect sources.