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Abstract: In recent years, spatial keyword query has attracted wide-spread research attention due to the popularity of the location-based services. To efficiently support the online spatial keyword ...

Abstract: This paper introduces a straightforward and fast system for indexing and retrieving text documents from an inverted index and executing Boolean query operations. The system pre-processes a ...

27 Department ofEpidemiology and Preventive Medicine, University of Regensburg, Germany 28 Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia Faculty of ...