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LogAnswer is a question answering (QA) system for the German language, aimed at providing concise and correct answers to arbitrary questions. For this purpose LogAnswer is designed as an embedded artificial intelligence system which integrates methods from several fields of AI, namely natural language processing, machine learning, knowledge representation(More)
This paper gives the SNAP and SPAN ontologies relating to recognizing variable vista spatial environments, namely, SNAPVis and SPANVis. It proposes that recognizing spatial environments is a judgment process of whether the perceived environment is compatible with the remembered one. Their compatibility is based on both their spatial changes and the(More)
  • Tiansi Dong
  • 2007
This paper reviews related work in cognitive psychology, philosophy, and a bunch of independent research work in spatial knowledge representation, sets some criteria for potential spatial representations for cognitive informatics(CI), i.e. an expected theory of spatial knowledge for the meta representation layer of cognitive informatics shall take region as(More)
— [Chang, 2010] argues that slow intelligence is the property shared by surprisingly large number of intelligent systems, and presents examples in scenarios of multimedia data query and mission control in crisis management systems. This paper strengthens this argument by showing that human infant's object tracing can be understood as a slow intelligence and(More)
This paper comments on nine aspects of the Region Connection Calculus (the RCC theory) with conclusions as follows: (1) regions in the RCC theory shall not be points; (2) the identical relation is a deviation from its classic usage; (3) the ι operator is un-determinate; (4) it is unclear about the notion of region in the theory ; (5) atomic regions have(More)