Answering why-not group spatial keyword queries (extended abstract)
, 2019 With the proliferation of geo-textual objects on the web, extensive efforts have been devoted to improving the efficiency of top-k spatial keyword queries in different settings.
Li, Guohui +16 more
core +1 more source
Social-Aware Top-k Spatial Keyword Search [PDF]
, 2014 The boom of the spatial web has enabled spatial keyword queries that take a user location and multiple search keywords as arguments and return the objects that are spatially and textually relevant to these arguments.
Xu, J +7 more
core +1 more source
PPSKSQ : Towards Efficient and Privacy-Preserving Spatial Keyword Similarity Query in Cloud [PDF]
The growth of cloud computing has led to the widespread use of location-based services, such as spatial keyword queries, which return spatial data points within a given range that have the highest similarity in keyword sets to the user's.
Zhang, Wenying +6 more
core +3 more sources
Intelligent augmented keyword search on spatial entities in real-life internet of vehicles
, 2018 Internet of Vehicles (IoV) has attracted wide attention from both academia and industry. Due to the popularity of the geographical devices deployed on the vehicles, a tremendous amount of spatial entities which include spatial information, unstructured ...
Tian, Shasha +7 more
core +1 more source
A personalized query method for spatial keywords in indoor environments
Computational Urban ScienceWith the rapid development of indoor Location Based Services (LBS), a growing volume of textual data is being generated in indoor environments. Consequently, indoor spatial keyword query holds significant potential for development in the coming years ...
Liping Zhang, Chunhong Li, Song Li
doaj +1 more source
A Systematic Comparison of RAG Architectures for Geographic POI Question Answering Using OpenStreetMap Data [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information SciencesRetrieval-Augmented Generation (RAG) grounds Large Language Models in external knowledge, yet geospatial question answering presents a distinctive challenge: spatial relationships such as distance and direction are directly computable from coordinate ...
N. Otsuka
doaj +1 more source
Indoor spatial keyword path query method based on time awareness and exclusion preference
Computational Urban ScienceExisting indoor spatial keyword path queries have not yet addressed user exclusion preferences, and research that simultaneously considers time constraints and exclusion preferences remains unexplored. To address this issue, this paper proposes an indoor
Liping Zhang +3 more
doaj +1 more source
An Efficient Approach for Geo-Multimedia Cross-Modal Retrieval
IEEE Access, 2019 Due to the rapid development of mobile Internet techniques, such as online social networking and location-based services, massive amount of multimedia data with geographical information is generated and uploaded to the Internet. In this paper, we propose
Lei Zhu +5 more
doaj +1 more source
Approximate Reverse Top-k Spatial-Keyword Queries [PDF]
Nishio S., Amagata D., Hara T.. Approximate Reverse Top-k Spatial-Keyword Queries. Proceedings - IEEE International Conference on Mobile Data Management 2023-July, 96 (2023); https://doi.org/10.1109/MDM58254.2023.00026.Location-based services are ...
Nishio, Shunya +2 more
core +2 more sources
Enhancing Spatial Keyword Preference Query with Linked Open Data
, 2018 This paper presents a Spatial Keyword Preference Query (SKPQ) enhanced by Linked Open Data. This query selects objects based on the textual description of features in their neighborhood.
De Almeida,João Paulo Dias +5 more
core +1 more source