Search Results for author: Xindong Wu

Found 28 papers, 12 papers with code

ConsistencyDet: A Robust Object Detector with a Denoising Paradigm of Consistency Model

1 code implementation11 Apr 2024 Lifan Jiang, Zhihui Wang, Changmiao Wang, Ming Li, Jiaxu Leng, Xindong Wu

In the present study, we introduce a novel framework designed to articulate object detection as a denoising diffusion process, which operates on the perturbed bounding boxes of annotated entities.

Attribute Denoising +2

Detection of ChatGPT Fake Science with the xFakeSci Learning Algorithm

no code implementations15 Aug 2023 Ahmed Abdeen Hamed, Xindong Wu

In this study, we show how articles can be generated using means of prompt engineering for various diseases and conditions.

Attribute Misinformation +1

Give Us the Facts: Enhancing Large Language Models with Knowledge Graphs for Fact-aware Language Modeling

no code implementations20 Jun 2023 Linyao Yang, Hongyang Chen, Zhao Li, Xiao Ding, Xindong Wu

Recently, ChatGPT, a representative large language model (LLM), has gained considerable attention due to its powerful emergent abilities.

Knowledge Graphs Language Modelling +1

Fair Causal Feature Selection

no code implementations17 Jun 2023 Zhaolong Ling, Enqi Xu, Peng Zhou, Liang Du, Kui Yu, Xindong Wu

Fair feature selection for classification decision tasks has recently garnered significant attention from researchers.

Fairness feature selection

A Comprehensive Survey on Automatic Knowledge Graph Construction

no code implementations10 Feb 2023 Lingfeng Zhong, Jia Wu, Qian Li, Hao Peng, Xindong Wu

A knowledge graph is built in three steps: knowledge acquisition, knowledge refinement, and knowledge evolution.

graph construction

Block-Structured Optimization for Subgraph Detection in Interdependent Networks

no code implementations6 Oct 2022 Fei Jie, Chunpai Wang, Feng Chen, Lei LI, Xindong Wu

We propose a generalized framework for block-structured nonconvex optimization, which can be applied to structured subgraph detection in interdependent networks, such as multi-layer networks, temporal networks, networks of networks, and many others.

Deep Forest with Hashing Screening and Window Screening

no code implementations25 Jul 2022 Pengfei Ma, Youxi Wu, Yan Li, Lei Guo, He Jiang, Xingquan Zhu, Xindong Wu

To screen out redundant feature vectors, we introduce a hashing screening mechanism for multi-grained scanning and propose a model called HW-Forest which adopts two strategies, hashing screening and window screening.

Chinese Idiom Paraphrasing

1 code implementation15 Apr 2022 Jipeng Qiang, Yang Li, Chaowei Zhang, Yun Li, Yunhao Yuan, Yi Zhu, Xindong Wu

Idioms, are a kind of idiomatic expression in Chinese, most of which consist of four Chinese characters.

Machine Translation Paraphrase Generation +1

Learning Relation-Specific Representations for Few-shot Knowledge Graph Completion

no code implementations22 Mar 2022 Yuling Li, Kui Yu, Yuhong Zhang, Xindong Wu

To this end, these methods learn entity-pair representations from the direct neighbors of head and tail entities, and then aggregate the representations of reference entity pairs.

Entity Embeddings Knowledge Graph Completion +1

Prompt-Learning for Short Text Classification

no code implementations23 Feb 2022 Yi Zhu, Xinke Zhou, Jipeng Qiang, Yun Li, Yunhao Yuan, Xindong Wu

In the short text, the extremely short length, feature sparsity, and high ambiguity pose huge challenges to classification tasks.

text-classification Text Classification

OPP-Miner: Order-preserving sequential pattern mining

no code implementations9 Jan 2022 Youxi Wu, Qian Hu, Yan Li, Lei Guo, Xingquan Zhu, Xindong Wu

To discover patterns, existing methods often convert time series data into another form, such as nominal/symbolic format, to reduce dimensionality, which inevitably deviates the data values.

Sequential Pattern Mining Time Series +1

Towards Efficient Local Causal Structure Learning

no code implementations28 Feb 2021 Shuai Yang, Hao Wang, Kui Yu, Fuyuan Cao, Xindong Wu

Local causal structure learning aims to discover and distinguish direct causes (parents) and direct effects (children) of a variable of interest from data.

Trustworthy Preference Completion in Social Choice

no code implementations14 Dec 2020 Lei LI, Minghe Xue, Huanhuan Chen, Xindong Wu

As from time to time it is impractical to ask agents to provide linear orders over all alternatives, for these partial rankings it is necessary to conduct preference completion.

Chinese Lexical Simplification

1 code implementation14 Oct 2020 Jipeng Qiang, Xinyu Lu, Yun Li, Yunhao Yuan, Yang Shi, Xindong Wu

Lexical simplification has attracted much attention in many languages, which is the process of replacing complex words in a given sentence with simpler alternatives of equivalent meaning.

Language Modelling Lexical Simplification +1

A Survey on Large-scale Machine Learning

1 code implementation10 Aug 2020 Meng Wang, Weijie Fu, Xiangnan He, Shijie Hao, Xindong Wu

Machine learning can provide deep insights into data, allowing machines to make high-quality predictions and having been widely used in real-world applications, such as text mining, visual classification, and recommender systems.

BIG-bench Machine Learning Computational Efficiency +1

LSBert: A Simple Framework for Lexical Simplification

1 code implementation25 Jun 2020 Jipeng Qiang, Yun Li, Yi Zhu, Yunhao Yuan, Xindong Wu

Lexical simplification (LS) aims to replace complex words in a given sentence with their simpler alternatives of equivalent meaning, to simplify the sentence.

Language Modelling Lexical Simplification +2

Causality-based Feature Selection: Methods and Evaluations

1 code implementation17 Nov 2019 Kui Yu, Xianjie Guo, Lin Liu, Jiuyong Li, Hao Wang, Zhaolong Ling, Xindong Wu

It has been shown that the knowledge about the causal relationships between features and the class variable has potential benefits for building interpretable and robust prediction models, since causal relationships imply the underlying mechanism of a system.

feature selection

Towards Efficient Local Causal Structure Learning

1 code implementation3 Oct 2019 Shuai Yang, Hao Wang, Kui Yu, Fuyuan Cao, Xindong Wu

To tackle this issue, we propose a novel Efficient Local Causal Structure learning algorithm, named ELCS.

Causal Discovery

Lexical Simplification with Pretrained Encoders

3 code implementations14 Jul 2019 Jipeng Qiang, Yun Li, Yi Zhu, Yunhao Yuan, Xindong Wu

Lexical simplification (LS) aims to replace complex words in a given sentence with their simpler alternatives of equivalent meaning.

Language Modelling Lexical Simplification +1

STTM: A Tool for Short Text Topic Modeling

1 code implementation7 Aug 2018 Jipeng Qiang, Yun Li, Yunhao Yuan, Wei Liu, Xindong Wu

Along with the emergence and popularity of social communications on the Internet, topic discovery from short texts becomes fundamental to many applications that require semantic understanding of textual content.

Information Retrieval

Object Detection with Deep Learning: A Review

no code implementations15 Jul 2018 Zhong-Qiu Zhao, Peng Zheng, Shou-tao Xu, Xindong Wu

Traditional object detection methods are built on handcrafted features and shallow trainable architectures.

Face Detection Object +4

AAANE: Attention-based Adversarial Autoencoder for Multi-scale Network Embedding

no code implementations24 Mar 2018 Lei Sang, Min Xu, Shengsheng Qian, Xindong Wu

Existing methods usually adopt a "one-size-fits-all" approach when concerning multi-scale structure information, such as first- and second-order proximity of nodes, ignoring the fact that different scales play different roles in the embedding learning.

Network Embedding

Camera Fingerprint: A New Perspective for Identifying User's Identity

no code implementations25 Oct 2016 Xiang Jiang, Shikui Wei, Ruizhen Zhao, Yao Zhao, Xindong Wu

The underlying assumption is that multiple accounts belonging to the same person contain the same or similar camera fingerprint information.

Product Recommendation

Topic Modeling over Short Texts by Incorporating Word Embeddings

1 code implementation27 Sep 2016 Jipeng Qiang, Ping Chen, Tong Wang, Xindong Wu

Inferring topics from the overwhelming amount of short texts becomes a critical but challenging task for many content analysis tasks, such as content charactering, user interest profiling, and emerging topic detecting.

Word Embeddings

Online Feature Selection with Group Structure Analysis

no code implementations21 Aug 2016 Jing Wang, Meng Wang, Pei-Pei Li, Luoqi Liu, Zhong-Qiu Zhao, Xuegang Hu, Xindong Wu

The problem assumes that features are generated individually but there are group structure in the feature stream.

Face Verification feature selection +1

LOFS: Library of Online Streaming Feature Selection

1 code implementation2 Mar 2016 Kui Yu, Wei Ding, Xindong Wu

As an emerging research direction, online streaming feature selection deals with sequentially added dimensions in a feature space while the number of data instances is fixed.

feature selection

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