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Direction-based spatial skylines

Xi Guo, Yoshiharu Ishikawa, Yunjun Gao
2010 Proceedings of the Ninth ACM International Workshop on Data Engineering for Wireless and Mobile Access - MobiDE '10  
The objects that cannot be dominated by any other object are included in the direction-based spatial skyline (DSS ).  ...  In this paper, we study direction-based spatial skyline queries (DSS queries) which retrieve nearest objects around the user from different directions.  ...  (DSS ). 2 Definition 4 (Direction-Based Spatial Skyline Query) A direction-based spatial skyline query (DSS query) finds the objects on the DSS.  ... 
doi:10.1145/1850822.1850835 dblp:conf/mobide/GuoIG10 fatcat:27wvkdmyong5hbjougaaufc7ji

Direction-Based Spatial-Textual Skyline

Zijun Chen, Shasha Guo, Wenyuan Liu
2017 International Journal of Innovative Computing, Information and Control  
In this paper, we study the direction-based fuzzy preference spatial-textual skyline query.  ...  Given a user location, a threshold theta and multiple keywords, skyline and p-skyline objects located at different directions are returned to user.  ...  Definition 3 . 4 . 34 (Direction-Based Spatial-Textual Pseudo-Skyline) Direction-based spatial-textual pseudo-skyline (p-skyline) is the set of objects in D which are not in skyline, and cannot be dominated  ... 
doi:10.24507/ijicic.13.06.1813 fatcat:y6ehoubrnrgf7dprx7ginfzfcy

Goal Directed Relative Skyline Queries in Time Dependent Road Networks

K.B. Priya Iyer
2012 International Journal of Database Management Systems  
Location-based spatial queries are becoming an integral part of many new mobile applications. The Skyline queries are latest apps under Location-based services.  ...  In this paper we introduce Goal Directed Relative Skyline queries on Time dependent (GD-RST) road networks.  ...  [14] propose an R-tree based algorithm, Brand and Bound Skyline (BBS), which retrieves skyline points by browsing the R-tree based on the best-first strategy.  ... 
doi:10.5121/ijdms.2012.4202 fatcat:a6772cxtc5cjxjdfmdirnitruu

Goal Directed Relative Skyline Queries in Time Dependent Road Networks [article]

K. B. Priya Iyer, V. Shanthi
2012 arXiv   pre-print
Location-based spatial queries are becoming an integral part of many new mobile applications. The Skyline queries are latest apps under Location-based services.  ...  In this paper we introduce Goal Directed Relative Skyline queries on Time dependent (GD-RST) road networks.  ...  [14] propose an R-tree based algorithm, Brand and Bound Skyline (BBS), which retrieves skyline points by browsing the R-tree based on the best-first strategy.  ... 
arXiv:1205.1853v1 fatcat:4iwkvhqanreffinhvhv7zufdyq

Skyline Queries for Spatial Objects: A Method for Selecting Spatial Objects Based on Surrounding Environments

Chen Zhiming, Mohammad Shamsul Arefin, Yasuhiko Morimoto
2012 2012 Third International Conference on Networking and Computing  
In this paper, we present a method for computing spatial skyline objects such as hotels. Conventional skyline queries select hotels based on non-spatial attributes of hotels such as price and rating.  ...  Index Terms-skyline queries, spatial databases, grid-based data structure. 2012 Third International Conference on Networking and Computing 978-0-7695-4893-7/12 $26.00  ...  [9] introduced the framework for direction-based spatial skyline computation that can retrieve nearest objects around the user from different directions.  ... 
doi:10.1109/icnc.2012.40 dblp:conf/ic-nc/ChenAM12 fatcat:qpqnt6xpljb5hdccag4v3jaxoq

Continuous Skyline Queries for Moving Objects in Road Networks

Changyue Shi, Xiaolin Qin, Li Wang
2015 Journal of Software  
We propose an event-based incremental processing algorithm on the strength of tracking dominant relationships between objects with the distances changing and finding the result changing points.  ...  Skyline queries in road networks have received much attention because of their wide applications in LBS.  ...  The skyline query in road networks involves both non-spatial attributes and the spatial ones, which fuels the demands of location-based applications, like traffic controlling, medical aiding, and advertising  ... 
doi:10.17706/jsw.10.2.190-200 fatcat:hke3kx5qvzgmpcwkjouxejhjzq

Application of Spatial Data Analysis in Architectural Planning

Fangxin OuYang, Xiaochu Du
2019 IOP Conference Series: Earth and Environment  
GIS spatial analysis can analyze and display geographical data expediently.  ...  This paper explores the methods and approaches to apply ArcGIS, a popular GIS software, to architectural planning and design in combination with its spatial analysis function, so as to improve the efficiency  ...  directions of spatial objects.  ... 
doi:10.1088/1755-1315/234/1/012035 fatcat:q3ax4sbzgfab5owdihf7havrhu

Computing Continuous Skyline Queries Without Discriminating Between Static And Dynamic Attributes

Ibrahim Gomaa, Hoda M. O. Mokhtar
2017 Zenodo  
However, as skyline queries computation is based on checking the domination of skyline points over all dimensions, considering both the static and dynamic attributes without separation is required.  ...  Second, the association between the spatial positions of data points is examined; this phase gives an idea of where changes in the result might occur and consequently enables us to efficiently update the  ...  In [8] , the authors proposed direction-oriented continuous skyline query algorithm.  ... 
doi:10.5281/zenodo.1339635 fatcat:z7bnivtpgfdepixcsb5crf4c4a

Geo-Social Skyline Queries [chapter]

Tobias Emrich, Maximilian Franzke, Nikos Mamoulis, Matthias Renz, Andreas Züfle
2014 Lecture Notes in Computer Science  
In this paper, we tackle the problem of geo-social skyline queries, a problem that has not been addressed so far.  ...  By leveraging the capabilities of modern GPS-equipped mobile devices providing social-networking services, the interest in developing advanced services that combine location-based services with social  ...  This region is located approximately on the opposite of the U.S. on the Earth, so this region maximizes the spatial distance of the majority of the user base.  ... 
doi:10.1007/978-3-319-05813-9_6 fatcat:v5k7exbzvbbopmpyzdttzcoyo4

Area Skyline Query for Selecting Good Locations in a Map

Annisa, Asif Zaman, Yasuhiko Morimoto
2016 Journal of Information Processing  
Skyline query, which selects non-dominated objects, is a well known method for selecting small number of desirable objects. We use the idea of skyline queries to select good locations.  ...  In this paper, we solve the problem of skyline query for two dimensional data, i.e., areas in a map.  ...  Guo et al. presented direction based spatial skyline [7] . A candidate object, in their query, not only has its distance but also has its direction from a moving user.  ... 
doi:10.2197/ipsjjip.24.946 fatcat:l23m4kigiva4bfzca774ypmfiy

Textually Relevant Spatial Skylines

Jieming Shi, Dingming Wu, Nikos Mamoulis
2016 IEEE Transactions on Knowledge and Data Engineering  
We investigate three models for integrating textual relevance into the spatial skyline.  ...  We study the modeling and evaluation of a spatio-textual skyline (STS) query, in which the skyline points are selected not only based on their distances to a set of query locations, but also based on their  ...  Direction-based spatial skyline (DSS) queries [30] find the result not only by comparing the distances to the query point but also considering the directions of the query point.  ... 
doi:10.1109/tkde.2015.2465374 fatcat:ukx3s5qfeje3lanxrbxzt6vdve

Geo-calendar based Predictive Skyline Queries using Fuzzy Inference Engine

K. B.PriyaIyer, V. Shanthi
2012 International Journal of Computer Applications  
In this paper, we introduce a new spatial query called Predictive Skyline query (PSQ) on time dependent road networks.  ...  With advancements in Wireless technologies, GIS and sensors, spatial route search are important class of queries under location based services.  ...  At the end, the algorithm returns the goal directed skyline object relative to user location.  ... 
doi:10.5120/6859-9489 fatcat:wk4rn6gbpvdafit7gl6uoitt6m

Skyline-Like Query in Three-Dimensional Obstacle Space

Yongshan Liu, Tianbao Hao, Xiang Gong, Dehan Kong, Jianjun Wang
2022 Scientific Programming  
After sorting, the skyline-like point set was obtained based on the value of user's preference.  ...  To solve this problem, a skyline-like query was proposed in three-dimensional obstacle space based on the traditional skyline query.  ...  Li Song et al. made full use of the advantages of both and proposed a spatial skyline query algorithm based on single query point and multiple query points.  ... 
doi:10.1155/2022/3978601 doaj:c330c9f79929440ca172889e7dbffcc9 fatcat:d7bnodgw7jhele5ytbv7ei4t5y

Range-Based Skyline Queries in Mobile Environments

Xin Lin, Jianliang Xu, Haibo Hu
2013 IEEE Transactions on Knowledge and Data Engineering  
Skyline query processing for location-based services, which considers both spatial and non-spatial attributes of the objects being queried, has recently received increasing attention.  ...  This paper studies a new problem of how to process such range-based skyline queries. Two novel algorithms are proposed: one is index-based (I-SKY) and the other is not based on any index (N-SKY).  ...  Fig. 1 . 1 Example of range-based skyline query Definition 1 ( 1 Non-Spatial Dominance) Given two objects o and o ′ , if o ′ is no worse than o in all non-spatial attributes, then we say o ′ non-spatially  ... 
doi:10.1109/tkde.2011.229 fatcat:5rptnfg4cfdqhixzryt3q3no7i

RESEARCH ON THE INTENSITY ANALYSIS AND RESULT VISUALIZATION OF CONSTRUCTION LAND IN URBAN PLANNING

J. Cui, B. Dong, J. Li, L. Li
2017 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Once the required data is imported, the analysis results and related maps and graphs including the intensity values and zoning map, the skyline analysis map etc. are produced automatically.  ...  The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLII-2/W7, 2017 ISPRS Geospatial Week 2017, 18-22 September 2017  ...  The western skyline is observed from the western to eastern direction, the change of skyline in the north of Lai-xin Railway appears to be more diverse.  ... 
doi:10.5194/isprs-archives-xlii-2-w7-1105-2017 fatcat:lm4jj3nfsvbtvime2ch7kxmkla
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