Search Results for author: Ling Cheng

Found 19 papers, 1 papers with code

Crafting a Good Prompt or Providing Exemplary Dialogues? A Study of In-Context Learning for Persona-based Dialogue Generation

no code implementations15 Feb 2024 Jiashu Pu, Yajing Wan, Yuru Zhang, Jing Chen, Ling Cheng, Qian Shao, Yongzhu Chang, Tangjie Lv, Rongsheng Zhang

Previous in-context learning (ICL) research has focused on tasks such as classification, machine translation, text2table, etc., while studies on whether ICL can improve human-like dialogue generation are scarce.

Dialogue Generation In-Context Learning +1

From Asset Flow to Status, Action and Intention Discovery: Early Malice Detection in Cryptocurrency

no code implementations26 Sep 2023 Ling Cheng, Feida Zhu, Yong Wang, Ruicheng Liang, Huiwen Liu

An ideal detection model is expected to achieve all three critical properties of (I) early detection, (II) good interpretability, and (III) versatility for various illicit activities.

feature selection

Examining the Effect of Pre-training on Time Series Classification

no code implementations11 Sep 2023 Jiashu Pu, Shiwei Zhao, Ling Cheng, Yongzhu Chang, Runze Wu, Tangjie Lv, Rongsheng Zhang

(iv) Adding more pre-training data does not improve generalization, but it can strengthen the advantage of pre-training on the original data volume, such as faster convergence.

Time Series Time Series Classification +1

Evolve Path Tracer: Early Detection of Malicious Addresses in Cryptocurrency

no code implementations13 Jan 2023 Ling Cheng, Feida Zhu, Yong Wang, Ruicheng Liang, Huiwen Liu

To detect fraud behaviors of malicious addresses in the early stage, we present Evolve Path Tracer, which consists of Evolve Path Encoder LSTM, Evolve Path Graph GCN, and Hierarchical Survival Predictor.

Toward Intention Discovery for Early Malice Detection in Bitcoin

no code implementations24 Sep 2022 Ling Cheng, Feida Zhu, Yong Wang, Huiwen Liu

% With the type-dependent selection strategy and global status vectors, our model can be applied to detect various illicit activities with strong interpretability.

feature selection

Geometry-Entangled Visual Semantic Transformer for Image Captioning

no code implementations29 Sep 2021 Ling Cheng, Wei Wei, Feida Zhu, Yong liu, Chunyan Miao

However, those fusion-based models, they are still criticized for the lack of geometry information for inter and intra attention refinement.

Caption Generation Image Captioning

Self-Synchronising On-Off-Keying Visible Light Communication System For Intra and Inter-Vehicle Data Transmission

no code implementations13 Jan 2021 Shamin Achari, Alice Yi Yang, James Goodhead, Brendon Swanepoel, Ling Cheng

Consequently, the deployment of the protocol in both inter and intra-vehicle communication presents numerous advantages over existing data transmission processes.

Solving MKP Applied to IoT in Smart Grid Using Meta-heuristics Algorithms: A Parallel Processing Perspective

no code implementations29 Jun 2020 Jandre Albertyn, Ling Cheng, Adnan M. Abu-Mahfouz

Increasing electricity prices in South Africa and the imminent threat of load shedding due to the overloaded power grid has led to a need for Demand Side Management (DSM) devices like smart grids.

energy management Management

Low-Complexity Detection of Multiweight Permutation Modulation Space-Time Block Codes for Indoor Visible Light Communication

no code implementations20 Apr 2020 Oluwafemi Kolade, Ling Cheng

The BER results also show a close match with the ML detection in some codebooks and the performance of the soft-decision decoder is evaluated for different positions of the receiver in an indoor environment.

Optimization Algorithms for Improving the Performance of Permutation Trellis Codes

no code implementations19 Apr 2020 Oluwafemi Kolade, Mulundumina Shimaponda-Nawa, Daniel J. J. Versfeld, Ling Cheng

SD decoding can then be designed accordingly, using the presented, low-complexity optimization-based schemes.

A multivariate water quality parameter prediction model using recurrent neural network

no code implementations25 Mar 2020 Dhruti Dheda, Ling Cheng

The global degradation of water resources is a matter of great concern, especially for the survival of humanity.

Management Parameter Prediction

Surface Damage Detection Scheme using Convolutional Neural Network and Artificial Neural Network

no code implementations24 Mar 2020 Alice Yi Yang, Ling Cheng

The ANN performs feature-based classification, in which the features are extracted from the detected edges within the image.

Edge Detection General Classification +1

Optimal DG allocation and sizing in power system networks using swarm-based algorithms

no code implementations19 Feb 2020 Kayode Adetunji, Ivan Hofsajer, Ling Cheng

The WOA real power loss reduction considering techno-economic factors in the IEEE 14-bus and 30-bus test system are 6. 14 MW and 10. 77 MW, compared to the PSOs' 6. 47 MW and 11. 73 MW respectively.

Short sighted deep learning

no code implementations7 Feb 2020 Ellen de Melllo Koch, Anita de Mello Koch, Nicholas Kastanos, Ling Cheng

This idea has been explored in the setting of a local (nearest neighbor interactions) Ising spin lattice.

Trends in the optimal location and sizing of electrical units in smart grids using meta-heuristic algorithms

no code implementations16 Oct 2019 Kayode Adetunji, Ivan Hofsajer, Ling Cheng

Techniques such as voltage stability index, power loss index, and loss sensitivity factors have been implemented alongside the meta-heuristic optimization algorithms to reduce the search space of solutions for objective functions.

Stack-VS: Stacked Visual-Semantic Attention for Image Caption Generation

no code implementations5 Sep 2019 Wei Wei, Ling Cheng, Xian-Ling Mao, Guangyou Zhou, Feida Zhu

Recently, automatic image caption generation has been an important focus of the work on multimodal translation task.

Attribute Caption Generation

Is Deep Learning a Renormalization Group Flow?

1 code implementation12 Jun 2019 Ellen de Mello Koch, Robert de Mello Koch, Ling Cheng

Although we are motivated by the connection between deep learning and RG flow, in this study we focus mainly on comparing a single layer of a deep network to a single step in the RG flow.

Long-Bone Fracture Detection using Artificial Neural Networks based on Contour Features of X-ray Images

no code implementations21 Feb 2019 Alice Yi Yang, Ling Cheng

The difference between the two schemes is the removal of the surrounding detected flesh contours from the leg region in the improved CHFB scheme.

Clustering

Long-Bone Fracture Detection using Artificial Neural Networks based on Line Features of X-ray Images

no code implementations20 Feb 2019 Alice Yi Yang, Ling Cheng

The purpose for the two line-based fracture detection schemes is to detect fractured lines from X-ray images using extracted features based on recognised patterns to differentiate fractured lines from non-fractured lines.

General Classification

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