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2017 IEEE Conference on Cognitive and Computational Aspects of Situation Management (CogSIMA)最新文献

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Situation-based ontologies for a computational framework for identity focusing on crime scenes 以犯罪现场为重点的身份计算框架的基于情境的本体
Marguerite McDaniel, Emma Sloan, Siobahn C. Day, James Mayes, A. Esterline, K. Roy, William Nick
We are interested in how evidence in a case fits together to support a judgment about the identity of an agent. We present a computational framework that extends to the cyber world although our current work focuses on physical evidence from a crime scene. We take Barwise's situation theory as a foundation. Situations support items of information and, by virtue of constraints, some carry information about other situations. In particular, an utterance situation carries information about a described situation. We provide an account of the support for an identity judgment (in an utterance situation called an id-situation) that looks at building a case (called an id-case), like a legal case, since identity cases can lead to multiple situations that impact the value of our evidence. We have developed a novel situation ontology on which we built an id-situation ontology. To capture our current focus, we developed a physical biometrics ontology, a law enforcement ontology, and several supporting stubs. We show how a case can be encoded in the RDF in conformance with our ontologies. We complement our id-situation ontology with SWRL rules to infer the agent in a crime scene and to classify situations and id-cases. Combining possibly conflicting evidence is handled with Dempster-Shafer theory, as reported elsewhere.
我们感兴趣的是,一个案件中的证据如何组合在一起,以支持对代理人身份的判断。我们提出了一个扩展到网络世界的计算框架,尽管我们目前的工作主要集中在犯罪现场的物证上。我们以Barwise的情境理论为基础。情景支持信息项,并且由于约束,一些情景携带有关其他情景的信息。具体来说,话语情境包含了所描述情境的信息。我们提供了对身份判断(在称为id-situation的话语情况下)的支持的说明,该判断着眼于建立一个案件(称为id-case),就像一个法律案件一样,因为身份案件可能导致影响我们证据价值的多种情况。我们开发了一种新的情境本体,在此基础上我们建立了一个id-情境本体。为了抓住当前的重点,我们开发了一个物理生物识别本体、一个执法本体和几个支持存根。我们将展示如何按照我们的本体在RDF中编码用例。我们用SWRL规则来补充我们的id-situation本体,以推断犯罪现场中的主体,并对情境和id-case进行分类。结合可能相互矛盾的证据是用Dempster-Shafer理论处理的,正如其他地方报道的那样。
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引用次数: 12
A model based on rough sets for situation comprehension and projection 基于粗糙集的情景理解和预测模型
Giuseppe D’aniello, Angelo Gaeta, V. Loia, F. Orciuoli
We present our results on the definition of a formal and interactive situation model improving comprehension of situations and supporting reasoning on projections of situations. The model is based on the rough sets and allows the creation of lattices that fuse the elements of an environment according to different perspectives and requirements of interest for a human operator. To support rapid decision making on dissimilarities between recognized and projected situations, we adopt some measures defined on the lattices. In many scenarios, like in emergency response, this can support the generation of early warnings that may help the human operators in identifying future dangerous events. An early evaluation has been accomplished by considering an illustrative case study based on real scenarios for management of vessel traffic.
我们提出了一个正式的交互式情境模型的定义,该模型可以提高对情境的理解,并支持对情境预测的推理。该模型基于粗糙集,并允许根据人类操作员的不同视角和兴趣要求创建融合环境元素的网格。为了支持对已识别和预测情况之间的差异进行快速决策,我们采用了在格上定义的一些度量。在许多情况下,例如在紧急响应中,这可以支持生成早期预警,帮助操作员识别未来的危险事件。通过考虑基于船舶交通管理实际情况的说明性案例研究,完成了早期评估。
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引用次数: 3
Electroencephalography (EEG) classification of cognitive tasks based on task engagement index 基于任务投入指数的认知任务脑电分类
J. Nuamah, Younho Seong, Sun Yi
The application of autonomous systems is on an increase, and there is the need to optimize the fit between humans and these systems. While operators must be aware of the autonomous systems dynamic behaviors, the autonomous systems must in turn base their operations, among other things, on an ongoing knowledge of operators' cognitive state, and its application domain. Psychophysiology allows for the use of physiological measurements to understand an operators behavior by noninvasively recording peripheral and central physiological changes while the operator behaves under controlled conditions. Electroencephalography (EEG) is a psychophysiological technique for studying brain activation. In the present study, EEG task engagement index, defined as the ratio of beta to (alpha + theta), are used as inputs to an artificial neural network (ANN) to allow identification and classification of mental engagement. Six separate feedforward ANN with single hidden layer trained by backpropagation were designed to classify five mental tasks for each of six participants. The average classification accuracy across the six participants was 88.67 %. The results show that differences in cognitive task demand do elicit different degrees of mental engagement, which can be measured through the use of the task engagement index.
自主系统的应用正在增加,需要优化人类与这些系统之间的契合度。虽然操作员必须了解自主系统的动态行为,但自主系统必须反过来将其操作建立在操作员认知状态及其应用领域的持续知识之上。心理生理学允许使用生理测量来了解操作员的行为,通过无创记录操作员在受控条件下的外围和中心生理变化。脑电图(EEG)是一种研究大脑活动的心理生理学技术。在本研究中,EEG任务投入指数被定义为β与(α + θ)的比值,作为人工神经网络(ANN)的输入,以实现心理投入的识别和分类。通过反向传播训练,设计了6个独立的单隐层前馈神经网络,对6个参与者的5个心理任务进行分类。6名参与者的平均分类准确率为88.67%。结果表明,认知任务需求的差异确实引发了不同程度的心理投入,这可以通过使用任务投入指数来衡量。
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引用次数: 17
Using context and robot-human communication to resolve unexpected situational conflicts 利用情境和人机交流来解决意外的情境冲突
Taylor J. Carpenter, W. Zachary
While efforts to develop cognitive abilities for robots have made progress from the perspective of goal-directed task performance, research has shown that additional cognitive capabilities are needed to enable robots to interact, cooperate, and act as teammates with humans. In particular, robots need additional teamwork and coordination knowledge and an ability to apply this knowledge to a model of context that is at least homologous to the context models that people use in reasoning about environmental interactions. The Context-Augmented Robotic Interface Layer (CARIL) provides a robot with a cognitively-motivated computational capability for situation assessment and situational adaptation. CARIL is used to analyze and develop context-based reasoning strategies that allow a robot to coordinate its behavior and spatial movements with humans when they are working on shared tasks and/or in shared space. Both communication-free and communications approaches are addressed and tested in a simulated environment.
虽然从目标导向任务表现的角度来看,开发机器人认知能力的努力取得了进展,但研究表明,需要额外的认知能力才能使机器人能够与人类互动、合作和作为队友。特别是,机器人需要额外的团队合作和协调知识,以及将这些知识应用于情境模型的能力,这种模型至少与人们在推理环境相互作用时使用的情境模型相似。上下文增强机器人接口层(CARIL)为机器人提供了一种认知驱动的计算能力,用于态势评估和态势适应。CARIL用于分析和开发基于上下文的推理策略,当他们在共享任务和/或共享空间中工作时,允许机器人与人类协调其行为和空间运动。无通信和通信方法都在模拟环境中进行了处理和测试。
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引用次数: 4
Evaluating path planning in human-robot teams: Quantifying path agreement and mental model congruency 评估人-机器人团队的路径规划:量化路径一致性和心智模型一致性
B. Perelman, Shane T. Mueller, Kristin E. Schaefer
The integration of robotic systems into daily life is increasing, as technological advancements facilitate independent and interdependent decision-making by autonomous agents. Highly collaborative human-robot teams promise to maximize the capabilities of humans and machines. While a great deal of progress has been made toward developing efficient spatial path planning algorithms for robots, comparatively less attention has been paid to developing reliable means by which to assess the similarities and differences in path planning decisions and associated behaviors of humans and robots in these teams. This paper discusses a tool, the Algorithm for finding the Least Cost Areal Mapping between Paths (ALCAMP), which can be used to compare paths planned by humans and algorithms in order to quantify the differences between them, and understand the user's mental models underlying those decisions. In addition, this paper discusses prior and proposed future research related to human-robot collaborative teams. Prior studies using ALCAMP have measured path divergence in order to quantify error, infer decision-making processes, assess path memory, and assess team communication performance. Future research related to human-robot teaming includes measuring formation and path adherence, testing the repeatability of navigation algorithms and the clarity of communicated navigation instructions, inferring shared mental models for navigation among members of a group, and detecting anomalous movement.
随着技术进步促进自主代理独立和相互依赖的决策,机器人系统融入日常生活的程度越来越高。高度协作的人-机器人团队承诺将人与机器的能力最大化。虽然在开发高效的机器人空间路径规划算法方面取得了很大进展,但相对而言,开发可靠的方法来评估这些团队中人类和机器人在路径规划决策和相关行为方面的异同,却较少受到关注。本文讨论了一种工具,即寻找路径之间最小成本区域映射的算法(ALCAMP),该工具可用于比较人类和算法规划的路径,以量化它们之间的差异,并了解这些决策背后的用户心理模型。此外,本文还讨论了与人机协作团队相关的现有研究和建议的未来研究。先前的研究使用ALCAMP测量了路径分歧,以量化错误、推断决策过程、评估路径记忆和评估团队沟通绩效。未来与人-机器人团队相关的研究包括测量队形和路径依从性,测试导航算法的可重复性和沟通导航指令的清晰度,推断群体成员之间导航的共享心理模型,以及检测异常运动。
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引用次数: 4
Expert-based probabilistic modeling of workflows in context of surgical interventions 基于专家的手术干预工作流程概率建模
Patrick Philipp, J. Beyerer, Y. Fischer
To provide assistance functions in context of surgical interventions, the use of medical workflows plays an important role. Workflow models can be used to assess the progress of an on-going surgery, enabling tailored (i.e., context sensitive) support for the medical practitioner. Subsequently, this provides opportunities to prevent malpractices, to enhance the patient's outcome and to preserve a high level of satisfaction. In this work, we propose a framework which enables a formalization of medical workflows. It is driven by a dialog of medical as well as technical experts and is based on the Unified Modeling Language (UML). An easy comprehensible UML activity serves as a starting point for the automatic generation of more complex models that can be used for the actual estimation of the progress of a surgical intervention. In this work, we present translation rules, which allow to transfer a given UML activity into a Dynamic Bayesian Network (DBN). The methods are presented for the application example of a cholecystectomy (surgical removal of the gallbladder).
为了在手术干预中提供辅助功能,医疗工作流程的使用起着重要作用。工作流模型可用于评估正在进行的手术的进度,从而为医疗从业者提供量身定制的(即上下文敏感的)支持。随后,这提供了机会,以防止不当操作,提高病人的结果,并保持高水平的满意度。在这项工作中,我们提出了一个框架,使医疗工作流程的形式化。它由医疗和技术专家的对话驱动,并基于统一建模语言(UML)。一个容易理解的UML活动可以作为自动生成更复杂模型的起点,这些模型可以用于实际评估手术干预的进展。在这项工作中,我们提出了转换规则,它允许将给定的UML活动转换为动态贝叶斯网络(DBN)。这些方法是胆囊切除术(手术切除胆囊)的应用实例。
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引用次数: 4
Head gesture recognition via dynamic time warping and threshold optimization 基于动态时间扭曲和阈值优化的头部手势识别
Ubeyde Mavuş, Volkan Sezer
Gesture recognition is one of the emerging fields in industry and a hot research topic in academia. It is commonly used in smart devices to assist the owners in their day-to-day life. But it is also important in facilitating processes in any kind, that involves people. In our attempt at improving life quality for disabled people below the neck, an assistive autonomous powerchair is developed. To ease interaction with the chair, we propose embedding a head gesture recognition system using an IMU (Inertial Measurement Unit) sensor. This study explores the possibilities of such implementation. Several approaches have been developed for gesture recognition. Accuracy, sensitivity and rapid computation are some of the critical items which are being considered in different approaches. In this study, we use the Dynamic Time Warping (DTW) algorithm in order to calculate the similarity between two time sequences. After DTW calculation, we propose a new approach which optimizes the decision making problem and calculates the optimum threshold values. We propose and compare two different simple geometrical shapes for threshold optimization. Even with these simple 3D objects, 85.68% success rate is achieved. This means that more than 8 out of 10 repetitions of a gesture are recognized successfully. The results are promising for future studies.
手势识别是工业上的新兴领域之一,也是学术界的研究热点。它通常用于智能设备,以协助业主的日常生活。但它在促进任何涉及人的过程中也很重要。为了改善颈部以下残疾人的生活质量,我们开发了一种辅助自主动力椅。为了简化与椅子的交互,我们建议使用IMU(惯性测量单元)传感器嵌入头部手势识别系统。本研究探讨了这种实施的可能性。已经开发了几种用于手势识别的方法。准确性、灵敏度和快速计算是不同方法所考虑的一些关键项目。在本研究中,我们使用动态时间翘曲(DTW)算法来计算两个时间序列之间的相似度。在DTW计算之后,提出了一种优化决策问题的新方法,并计算出最优阈值。我们提出并比较了两种不同的简单几何形状的阈值优化。即使使用这些简单的3D对象,成功率也达到了85.68%。这意味着每重复10次,就有8次以上被成功识别。这一结果对未来的研究很有希望。
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引用次数: 4
Automation bias with a conversational interface: User confirmation of misparsed information 带有对话界面的自动化偏差:用户确认解析错误的信息
Erin G. Zaroukian, J. Bakdash, A. Preece, William M. Webberley
We investigate automation bias for confirming erroneous information with a conversational interface. Participants in our studies used a conversational interface to report information in a simulated intelligence, surveillance, and reconnaissance (ISR) task. In the task, for flexibility and ease of use, participants reported information to the conversational agent in natural language. Then, the conversational agent interpreted the user's reports in a human- and machine-readable language. Next, participants could accept or reject the agent's interpretation. Misparses occur when the agent incorrectly interprets the report and the user erroneously accepts it. We hypothesize that the misparses naturally occur in the experiment due to automation bias and complacency because the agent interpretation was generally correct (92%). These errors indicate some users were unable to maintain situation awareness using the conversational interface. Our results illustrate concerns for implementing a flexible conversational interface in safety critical environments (e.g., military, emergency operations).
我们调查自动化偏差确认错误的信息与对话界面。在我们的研究中,参与者使用会话界面在模拟情报、监视和侦察(ISR)任务中报告信息。在任务中,为了灵活性和易用性,参与者用自然语言向会话代理报告信息。然后,会话代理用人类和机器可读的语言解释用户的报告。接下来,参与者可以接受或拒绝代理人的解释。当代理错误地解释报告而用户错误地接受报告时,就会出现解析错误。我们假设由于自动化偏差和自满,错误解析在实验中自然发生,因为代理解释通常是正确的(92%)。这些错误表明一些用户无法使用会话界面来维持态势感知。我们的研究结果说明了在安全关键环境(例如,军事、紧急行动)中实现灵活对话界面的关注。
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引用次数: 5
Rightward attentional bias in windshield displays: Implication towards external human machine interfaces for self-driving cars 挡风玻璃显示的右倾注意力:对自动驾驶汽车外部人机界面的启示
Qiang Liu, Birte Emmermann, Oscar Suen, Bryan Grant, Jake Hercules, Erik Glaser, B. Lathrop
The current paper describes research, examining the daytime lighting requirements for windshield based human machine interface (HMI) components of self-driving cars or highly autonomous vehicles (HAVs). The results of this study showed a significant rightward attentional bias in the detection of amber LEDs at low luminosity levels. The rightward bias persists at different viewing angles. However, this bias is absent for white LEDs. These results support the Saliency-Effort-Expectancy-Value (SEEV) model [12] of selective attention. These results highlight that priority should be given to the driver side for placement of critical external HMI components, especially those with lower perceptual saliency.
目前的论文描述了一项研究,研究了自动驾驶汽车或高度自动驾驶汽车(hav)基于挡风玻璃的人机界面(HMI)组件的日间照明要求。本研究结果表明,在低亮度水平下,琥珀色led的检测存在显著的右注意偏倚。在不同的视角下,向右偏置仍然存在。然而,这种偏差对于白光led是不存在的。这些结果支持选择性注意的显著性-努力-期望-价值(SEEV)模型[12]。这些结果强调,应该优先考虑驾驶员方面的关键外部HMI组件的放置,特别是那些较低的感知显著性。
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引用次数: 8
Designing a Pragmatic Graphical Grammar 设计一个实用的图形语法
Leonard Eusebi, S. Guarino
Modern adversaries have become more proficient in conducting cyber-attacks against our military's command and control (C2) infrastructure. To maintain security against these threats, operators perform a range of high-fidelity security assessments of existing and evolving software systems. This is just one example of the many settings in which massive amounts of data-Big Data-can prove difficult to understand in a timely manner for taking actions and responding to threats. To support such real-time analysis, situation awareness tools must reduce the cognitive load of monitoring multiple large, simultaneous data streams. This paper seeks to provide a Pragmatic Graphical Grammar (PGG) that evolves the concept of graphical grammars into an observability-focused method of data presentation.
现代对手在对我军指挥和控制(C2)基础设施进行网络攻击方面已经变得更加熟练。为了保持对这些威胁的安全性,运营商对现有和不断发展的软件系统进行了一系列高保真的安全评估。这只是众多环境中的一个例子,在这些环境中,大量的数据——大数据——可能被证明难以及时理解,难以采取行动和应对威胁。为了支持这种实时分析,态势感知工具必须减少监控多个大型同步数据流的认知负荷。本文旨在提供一种实用图形语法(PGG),它将图形语法的概念演变为一种以可观察性为中心的数据表示方法。
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引用次数: 1
期刊
2017 IEEE Conference on Cognitive and Computational Aspects of Situation Management (CogSIMA)
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