NDLI: A Fuzzy Spatial Region Extraction Model for Object's Vague Location Description from Observer Perspective

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A Fuzzy Spatial Region Extraction Model for Object's Vague Location Description from Observer Perspective

Content Provider	MDPI
Author	Xu, Jun Pan, Xin
Copyright Year	2020
Description	Descriptions of the spatial locations of disappeared objects are often recorded in eyewitness records, travel notes, and historical documents. However, in geographic information system (GIS), the observer-centered and vague nature of the descriptions causes difficulties in representing the spatial characters of these objects. To address this problem, this paper proposes a Fuzzy Spatial Region Extraction Model for Object’s Vague Location Description from Observer Perspective (FSREM-OP). In this model, the spatial relationship between the observer and the object are represented in spatial knowledge. It is composed of “phrase” and “region”. Based on the spatial knowledge, three components of spatial inference are constructed: Spatial Entities (SEs), Fuzzy Spatial Regions (FSRs), and Spatial Actions (SAs). Through spatial knowledge and the components of FSREM-OP, an object’s location can be inferred from an observer’s describing text, transforming the vagueness and subjectivity of location description into fuzzy spatial regions in the GIS. The FSREM-OP was tested by constructing a group of observers, object position relationships and vague descriptions. The results show that it is capable of extracting the spatial information and presenting location descriptions in the GIS, despite the vagueness and subjective spatial relation expressions in the descriptions.
Starting Page	703
e-ISSN	22209964
DOI	10.3390/ijgi9120703
Journal	ISPRS International Journal of Geo-Information
Issue Number	12
Volume Number	9
Language	English
Publisher	MDPI
Publisher Date	2020-11-25
Access Restriction	Open
Subject Keyword	ISPRS International Journal of Geo-Information Isprs International Journal of Geo-information Artificial Intelligence Spatial Region Extraction Cognitive Regions Vagueness Spatial Knowledge Representation Observer-centered
Content Type	Text
Resource Type	Article

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