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2018 Conference on Technologies and Applications of Artificial Intelligence (TAAI)最新文献

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A Proposal for the Global and Collaborative PBL Learning Environment Where All Global Members on Different Campuses Are "On the Same Page" throughout the Process of Learning in the Project 关于全球合作PBL学习环境的建议,在项目学习过程中,不同校区的全球成员在整个学习过程中都“在同一页上”
Tosh Yamamoto, A. Liao, W. Wu, Meilun Shih, Ju-Ling Shih, Hui-Chun Chu
This paper purports to share with the higher education community the global PBL active learning curriculum and the learning environment, which have been collaboratively developed with the universities in Taiwan and Kansai University (KU). The collaborated universities developed an optimal curriculum to enhance and nurture students' "Future Work Skills 2020" defined by the Institute for the Future, such future human skills as Sense Making, Social Intelligence, Novel & Adaptive Thinking, Cross-Cultural Competencies, Computational Thinking, New Media Literacy, Transdisciplinarity, Design Mindset, Cognitive Load Management, and Virtual Collaboration. The curriculum fully employs PBL strategies in global teams, where teams for PBL are organized with students with heterogeneous cultural backgrounds in the virtual learning environment. The basic concept of such curriculum is based on COIL (Collaborative Online International Learning), originally developed by State University of New York. COIL makes full usage of IT to generate virtual learning environment for students worldwide. In order to go beyond the COIL concept incorporating the future skills defined by IFTF, the allied universities employed PBL in global AGILE teams to deepen insights from various cultural viewpoints in terms of consensus building through team discussions. Due to the spatial and temporal differences, enrolled students conducted their team learning activities in the virtual learning environment asynchronously, making use of IT technologies and cloud services in order to be on "the same page" in the progress of the project throughout the course. Further, the assessment strategies to enhance students' efficacy is the key factor in the course, which is also discussed with examples. This paper reports the global PBL active learning curriculum and environment collaboratively developed with the universities in Taiwan and Kansai University.
本文旨在与台湾大学和关西大学合作开发的全球PBL主动学习课程和学习环境,与高等教育界分享。合作大学制定了最佳课程,以提高和培养未来研究所定义的“未来工作技能2020”,包括未来人类技能,如意义制造、社会智能、新颖与适应性思维、跨文化能力、计算思维、新媒体素养、跨学科、设计思维、认知负荷管理和虚拟协作。课程在全球团队中充分采用PBL策略,在虚拟学习环境中,PBL团队由具有异质文化背景的学生组成。这种课程的基本概念是基于COIL(协作在线国际学习),最初是由纽约州立大学开发的。COIL充分利用信息技术为全球学生创造虚拟学习环境。为了超越COIL概念,结合IFTF定义的未来技能,联盟大学在全球敏捷团队中采用PBL,通过团队讨论,从不同的文化角度加深对共识的见解。由于时空差异,在校生在虚拟学习环境中异步进行团队学习活动,利用IT技术和云服务,以便在整个课程中对项目进度保持“同步”。此外,提高学生效能感的评估策略是课程的关键因素,并结合实例进行了讨论。本文报道了与台湾大学和关西大学合作开发的全球PBL主动学习课程和环境。
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引用次数: 1
A Vector Mosquitoes Classification System Based on Edge Computing and Deep Learning 基于边缘计算和深度学习的蚊媒分类系统
Li-Pang Huang, Ming-Hong Hong, Cyuan-Heng Luo, Sachit Mahajan, Ling-Jyh Chen
In recent years, we have witnessed a sudden increase in mosquito-borne diseases and related casualties. This makes it important to have an efficient mosquito classification system. In this paper, we implement a mosquito classification system which is capable of identifying Aedes and Culex (types of the mosquito) automatically. To facilitate the implementation of such Internet of Things (IoT) based system, we first create a trap device with a stable area for filming mosquitoes. Then, we analyze video frames in order to reduce the video size for transmission. We also build a model to identify different types of mosquitoes using deep learning. Later, we fine-tune the edge computing on the trap device to optimize the system efficiency. Finally, we integrate the device and the model into a mosquito classification system and test the system in wild fields in Taiwan. The tests show significant results when the experiments are conducted in the rural area. We are able to achieve an accuracy of 98% for validation data and 90.5% for testing data.
近年来,我们目睹了蚊媒疾病和相关人员伤亡的突然增加。因此,建立一个有效的蚊子分类系统非常重要。本文实现了一种能够自动识别伊蚊和库蚊的蚊虫分类系统。为了方便这种基于物联网(IoT)的系统的实施,我们首先制作了一个具有稳定区域的陷阱装置来拍摄蚊子。然后,我们对视频帧进行分析,以减小视频的传输尺寸。我们还建立了一个模型,利用深度学习来识别不同类型的蚊子。随后,我们对陷阱设备上的边缘计算进行了微调,以优化系统效率。最后,我们将该装置与模型整合到一个蚊子分类系统中,并在台湾野外进行测试。在农村地区进行试验,取得了显著的效果。我们能够实现98%的验证数据和90.5%的测试数据的准确性。
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引用次数: 20
Empirical Analysis of PUCT Algorithm with Evaluation Functions of Different Quality 具有不同质量评价函数的PUCT算法的实证分析
Kiminori Matsuzaki
Monte-Carlo tree search (MCTS) algorithms play an important role in developing computer players for many games. The performance of MCTS players is often leveraged in combination with offline knowledge, i.e., evaluation functions. In particular, recently AlphaGo and AlphaGo Zero achieved a big success in developing strong computer Go player by combining evaluation functions consisting of deep neural networks with a variant of PUCT (Predictor + UCB applied to trees). The effect of evaluation functions on the strength of MCTS algorithms, however, has not been investigated well, especially in terms of the quality of evaluation functions. In this study, we address this issue and empirically analyze the AlphaGo's PUCT algorithm by using Othello (Reversi) as the target game. We investigate the strength of PUCT players using variants of an existing evaluation function of a champion-level computer player. From intensive experiments, we found that the PUCT algorithm works very well especially with a good evaluation function and that the value function has more importance than the policy function in the PUCT algorithm.
蒙特卡罗树搜索(MCTS)算法在许多游戏的计算机玩家开发中起着重要的作用。MCTS玩家的表现通常与离线知识(即评估功能)相结合。特别是最近,AlphaGo和AlphaGo Zero通过将由深度神经网络组成的评价函数与PUCT(应用于树木的Predictor + UCB)的变体相结合,在开发强大的计算机围棋选手方面取得了巨大成功。然而,评估函数对MCTS算法强度的影响还没有得到很好的研究,特别是在评估函数的质量方面。在本研究中,我们解决了这一问题,并以奥赛罗(逆转)作为目标游戏,对AlphaGo的PUCT算法进行了实证分析。我们使用现有的一个冠军级别的计算机玩家的评估函数的变体来调查PUCT玩家的实力。通过大量的实验,我们发现PUCT算法具有良好的效果,特别是具有良好的评价函数,并且在PUCT算法中,价值函数比策略函数更重要。
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引用次数: 5
An Empirical Study of Ladder Network and Multitask Learning on Energy Disaggregation in Taiwan 阶梯网络与多任务学习对台湾地区能量分解的实证研究
Fang-Yi Chang, Chun-An Chen, Shou-De Lin
Energy disaggregation is a technique of estimation electricity consumption of individual appliance from an aggre-gated meter. In this paper, we study ladder network [6] and multitask learning on energy disaggregation using auto-encoder architecture. This auto-encoder architecture was proposed fromKelly and Knottenbelt in their recent research work [1]. We used this auto-encoder architecture to the high-ownership appliances, air conditioner, bottle warmer, fridge, television and washing machine, in Taiwan and evaluated the effectiveness of the ladder network and multitask learning via these five appliances. The experimental data set has collected by Institute For InformationIndustry. We expect that this project can promote the industrial development of big data-driven smart energy management inTaiwan.
能量分解是一种从汇总电表估算单个电器用电量的技术。本文研究了阶梯网络[6]和基于自编码器结构的能量分解多任务学习。这种自编码器架构是由kelly和Knottenbelt在他们最近的研究工作中提出的[1]。我们将这种自编码器架构应用于台湾的高拥有率家电,空调、暖瓶器、冰箱、电视和洗衣机,并通过这五种家电评估梯子网络和多任务学习的有效性。实验数据集由信息工业研究所收集。我们期待这个项目能够推动大数据驱动的智慧能源管理在台湾的产业发展。
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引用次数: 4
Passenger Flow Prediction Using Weather Data for Metro Systems 利用天气数据预测地铁系统客流
Lijuan Liu, R. Chen, Shunzhi Zhu
Metro systems play an important role in reducing traffic congestion in large cities. In this paper, inspired by the potential impact of weather on passenger flow, we have developed an RNN-based model for metro passenger flow prediction with historical passenger flow data, the corresponding temporal data and weather data. A case study of passenger flow prediction model at Taipei Main Station is performed. The experimental results verify that adding the weather data to construct a passenger flow prediction model is contributory to improve the results.
地铁系统在缓解大城市交通拥堵方面发挥着重要作用。在本文中,受天气对客流的潜在影响的启发,我们开发了一个基于rnn的地铁客流预测模型,该模型结合了历史客流数据、相应的时间数据和天气数据。以台北车站客流预测模型为例进行了实证研究。实验结果表明,加入天气数据构建客流预测模型有助于改善预测结果。
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引用次数: 4
TAAI 2018 Conference Organization TAAI 2018会议组织
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引用次数: 0
Adverse Drug Reaction Post Classification with Imbalanced Classification Techniques 应用不平衡分类技术进行药物不良反应后分类
Chen-Kai Wang, Hong-Jie Dai, Feng-Duo Wang, E. C. Su
Nowadays, social media is often being used by users to create public messages related to their health. With the increasing number of social media usage, a trend has been observed of users creating posts related to adverse drug reactions (ADR). Mining social media data for these information can be used for pharmacological post-marketing surveillance and monitoring. However, the development of automatic ADR detection systems remains challenging because the corpora compiled from real world social media were usually highly imbalanced resulting in barriers to develop classifiers with reliable performance. In this work, we implemented a variety of imbalanced techniques and compared their performance on two large imbalanced data sets released for the purpose of detecting ADR posts. Comparing with state-of-the-art approaches developed for the two dataset, based on much less features, the developed classifiers with implemented imbalanced classification techniques achieved comparable or even better F-scores.
如今,社交媒体经常被用户用来创建与他们健康相关的公共信息。随着社交媒体使用量的增加,人们发现了一种趋势,即用户创建与药物不良反应(ADR)相关的帖子。挖掘社交媒体数据的这些信息可以用于药理学上市后的监测和监测。然而,自动ADR检测系统的开发仍然具有挑战性,因为从现实世界的社交媒体编译的语料库通常高度不平衡,导致开发具有可靠性能的分类器存在障碍。在这项工作中,我们实现了各种不平衡技术,并比较了它们在为检测ADR帖子而发布的两个大型不平衡数据集上的性能。与为两个数据集开发的最先进的方法相比,基于更少的特征,开发的具有实现不平衡分类技术的分类器获得了相当甚至更好的f分数。
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引用次数: 5
A Multiple Objective PSO-Based Approach for Data Sanitization 基于pso的多目标数据处理方法
Chun-Wei Lin, Yuyu Zhang, Chun-Hao Chen, J. Wu, Chien-Ming Chen, T. Hong
In this paper, a multi-objective particle swarm optimization (MOPSO)-based framework is presented to find the multiple solutions rather than a single one. The presented grid-based algorithm is used to assign the probability of the non-dominated solution for next iteration. Based on the designed algorithm, it is unnecessary to pre-define the weights of the side effects for evaluation but the non-dominated solutions can be discovered as an alternative way for data sanitization. Extensive experiments are carried on two datasets to show that the designed grid-based algorithm achieves good performance than the traditional single-objective evolution algorithms.
本文提出了一种基于多目标粒子群优化(MOPSO)的框架来寻找问题的多个解,而不是单个解。提出的基于网格的算法用于分配下一次迭代的非支配解的概率。基于所设计的算法,不需要预先定义副作用的权重进行评估,但可以发现非主导解,作为数据消毒的一种替代方法。在两个数据集上进行了大量的实验,结果表明所设计的基于网格的算法比传统的单目标进化算法取得了更好的性能。
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引用次数: 3
A Whole Crow Search Algorithm for Solving Data Clustering 求解数据聚类的全乌鸦搜索算法
Ze-Xue Wu, Ko-Wei Huang, A. S. Girsang
Data clustering is a well-known data mining approach that usually used to minimizes the intra distance but maximizes inter distance of each data center. The cluster problem has been proved to be an NP-hard problem. In this paper, a hybrid algorithm based on Whole optimization algorithm (WOA) and Crow search algorithm (CSA) is proposed, namely HWCA. The HWCA algorithm has the advantages of the search strategy of the WOA and CSA. In addition to, there are two operators used to improve the quality of solution, namely hybrid individual operator and enhance diversity operator. The hybrid individual operator is used to exchanges individuals from the WOA and CSA systems by using the roulette wheel approach. In other hand, the HWCA performs enhance diversity operator to improve the quality of each system. More over, the HWCA is incorporated with center optimization strategy to enhance diversity of each system. In the performance evaluation, the proposed MPGO algorithm was comparison WOA and CSA algorithm with six well-known UCI benchmarks. The results show that the proposed algorithm has a higher measure of accuracy rate with comparison algorithms.
数据聚类是一种众所周知的数据挖掘方法,通常用于最小化每个数据中心的内部距离,而最大化每个数据中心之间的距离。聚类问题已被证明是一个np困难问题。本文提出了一种基于整体优化算法(WOA)和Crow搜索算法(CSA)的混合算法,即HWCA。HWCA算法具有WOA和CSA搜索策略的优点。此外,还采用了混合个体算子和增强分集算子两种算子来提高解的质量。混合个体操作员使用轮盘赌方法来交换WOA和CSA系统中的个体。另一方面,HWCA执行增强分集操作,以提高每个系统的质量。此外,HWCA还与中心优化策略相结合,提高了各系统的多样性。在性能评价方面,提出的MPGO算法将WOA和CSA算法与6个著名的UCI基准进行比较。结果表明,该算法与比较算法相比具有更高的准确率。
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引用次数: 8
Deep Recurrent Q-Network with Truncated History 具有截短历史的深度递归q网络
Hyunwoo Oh, Tomoyuki Kaneko
Reinforcement Learning is a kind of machine learning method which learns through agents' interaction with the environment. Deep Q-Network (DQN), which is a model of reinforcement learning based on deep neural networks, succeeded in learning human-level control policies on various kinds of Atari 2600 games with image pixel inputs. Because an input of DQN is the game frames of the last four steps, DQN had difficulty on mastering such games that need to remember events earlier than four steps in the past. To alleviate the problem, Deep Recurrent Q-Network (DRQN) and Deep Attention Recurrent Q-Network (DARQN) were proposed. In DRQN, the first fully-connected layer just after convolutional layers is replaced with an LSTM to incorporate past information. DARQN is a model with visual attention mechanisms on top of DRQN. We propose two new reinforcement learning models: Deep Recurrent Q-Network with Truncated History (T-DRQN) and Deep Attention Recurrent Q-Network with Truncated History (T-DARQN). T-DRQN uses a truncated history so that we can control the length of history to be considered. T-DARQN is a model with visual attention mechanism on top of T-DRQN. Experiments of our models on six games of Atari 2600 shows a level of performance between DQN and D(A) RQN. Furthermore, results show the necessity of using past information with a truncated length, rather than using only the current information or all of the past information.
强化学习是一种通过智能体与环境的相互作用进行学习的机器学习方法。Deep Q-Network (DQN)是一种基于深度神经网络的强化学习模型,它成功地在带有图像像素输入的各种Atari 2600游戏上学习了人类级别的控制策略。因为DQN的输入是最后四个步骤的游戏框架,所以DQN很难掌握这种需要记住过去四个步骤之前的事件的游戏。为了解决这一问题,提出了深度递归q网络(DRQN)和深度注意递归q网络(DARQN)。在DRQN中,卷积层之后的第一个完全连接层被LSTM取代,以合并过去的信息。DARQN是基于DRQN的视觉注意机制模型。我们提出了两种新的强化学习模型:截断历史的深度递归q网络(T-DRQN)和截断历史的深度注意递归q网络(T-DARQN)。T-DRQN使用截断的历史记录,这样我们就可以控制要考虑的历史记录的长度。T-DARQN是在T-DRQN基础上建立视觉注意机制的模型。我们的模型在Atari 2600的6款游戏上的实验显示了介于DQN和D(a) RQN之间的性能水平。此外,结果表明,有必要使用截断长度的过去信息,而不是仅使用当前信息或所有过去信息。
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引用次数: 5
期刊
2018 Conference on Technologies and Applications of Artificial Intelligence (TAAI)
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