A Method to Identify Relevant Information Sufficient to Answer Situation Dependent Queries

Shan Lu, M. Kokar
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引用次数: 2

Abstract

In various complex and dynamic environments, having a good understanding of the current situation in hand is the foundation for successful decision-making. Several frameworks have been proposed for information gathering and interpretation in situation assessment. However, decision makers nowadays face an information overload challenge during situation assessment. When the decision maker deals with a specific situation, usually large volumes of information are delivered to him or her in real time, of which only a few are relevant. It is practically impossible for them to deal with such huge data streams in real time. Additionally, if a situation needs to be communicated to others, it is not clear what information is relevant and thus would need to be sent over (sometimes over-loaded) communication links in order to convey the description of the situation. Therefore, a method is needed to support the human decision makers to identify the relevant information in situation assessment. In this paper, we develop a inference-based information relevance reasoning method in situation assessment to automatically identify relevant information for characterizing the situation that a decision maker is dealing with. By using this method, the following two basic questions will be answered: (1) what kind of information is relevant to characterize a situation? (2) how to identify the relevant information automatically? In this paper, we take the cyber security as the application domain, and evaluate our method using a cyber security dataset generated by Skaion corporation. We use four metrics to evaluate our method.
一种识别足以回答情境相关查询的相关信息的方法
在各种复杂、动态的环境中,掌握好手头的现状是成功决策的基础。已提出若干框架,以便在局势评估中收集和解释信息。然而,决策者在态势评估中面临着信息过载的挑战。当决策者处理一个特定的情况时,通常会有大量的信息实时地传递给他或她,其中只有少数是相关的。他们几乎不可能实时处理如此庞大的数据流。此外,如果需要向其他人传达一种情况,则不清楚哪些信息是相关的,因此需要通过(有时是过载的)通信链接发送,以传达对该情况的描述。因此,需要一种方法来支持人类决策者在态势评估中识别相关信息。在本文中,我们开发了一种基于推理的态势评估信息关联推理方法,用于自动识别决策者正在处理的态势特征的相关信息。通过使用这种方法,将回答以下两个基本问题:(1)什么样的信息与描述一种情况有关?(2)如何自动识别相关信息?本文以网络安全为应用领域,使用Skaion公司生成的网络安全数据集对该方法进行了验证。我们使用四个指标来评估我们的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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