Cheng Zhang
7 أوراق في مجموعة PaperMetrix
أوراق هذا المؤلف
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Establishment of Effectiveness Evaluation Indicator System based on 1D-CNN
2020
Towards the decisive influence of substantial subjective factors in constructing effectiveness evaluation indicators, this article introduces a parallel one-dimensional convolutional neural network based on sample data. Then an objective method of constructing effectiveness evaluation indicator …
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An Improved A* Algorithm Applying to Path Planning of Games
2020 · Journal of Physics Conference Series
Abstract Pathfinding is the core issues in the artificial intelligence field of games, and how to establish an effective method of pathfinding is still focused on. A* algorithm is the most widespread type of game …
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The Research of An Improved Blockchain Consensus Mechanism
2020
This study introduces a consensus model of DPoS mechanism as well as its workflow, interprets characteristics of DPoS mechanism and analyzes existing problems. In the selection stage of proxy nodes, intergroup isolation was realized by …
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Simultaneous Missing Value Imputation and Structure Learning with Groups
2021 · arXiv (Cornell University)
Learning structures between groups of variables from data with missing values is an important task in the real world, yet difficult to solve. One typical scenario is discovering the structure among topics in the education …
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Automatic Generation of Multiple-Choice Questions
2023 · arXiv (Cornell University)
Creating multiple-choice questions to assess reading comprehension of a given article involves generating question-answer pairs (QAPs) and adequate distractors. We present two methods to tackle the challenge of QAP generations: (1) A deep-learning-based end-to-end question …
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Understanding Causality with Large Language Models: Feasibility and Opportunities
2023 · arXiv (Cornell University)
We assess the ability of large language models (LLMs) to answer causal questions by analyzing their strengths and weaknesses against three types of causal question. We believe that current LLMs can answer causal questions with …
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ICAI-SR: Item Categorical Attribute Integrated Sequential Recommendation
2021
Sequential recommendation (SR) has attracted much research attention in the past few years. Most existing attribute integrated SR models do not directly model the complex relations between items and categorical attributes, as well do not …