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Similarity Search in Moving Object Trajectories
2009
International Conference on Management of Data
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In this paper we study an interesting point in moving object databases; namely, similarity search between moving object trajectories. ...
We propose a novel similarity search technique that is based on trajectory alignment using gaps. ...
Inspired by the importance of the similarity problem in moving object databases (MODs), the authors in [11] studied the time independent similarity search problem of moving object trajectories. ...
dblp:conf/comad/HodaM09
fatcat:xf423e374zcunfapzdusrwrszu
A New Similar Trajectory Search Algorithm Based on Spatio-Temporal Similarity Measure for Moving Objects in Road Networks
2009
IEICE transactions on information and systems
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The deployment of historical trajectories of moving objects has greatly increased for various applications in road networks. ...
Finally, we show the efficiency of our algorithm, both in terms of retrieval accuracy and retrieval efficiency. key words: similar trajectory search, spatio-temporal similarity measure, road network, moving ...
[5] proposed another type of similarity measure and a similarity search algorithm using an M-tree to search for similar trajectories of moving objects in a spatial network. ...
doi:10.1587/transinf.e92.d.327
fatcat:it2f4mkxvngqpigysllnqpjdqu
In-Memory Distance Threshold Similarity Searches on Moving Object Trajectories
2014
International Journal on Advances in Software
unpublished
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In this work, we focus on in-memory distance threshold searches which return all moving objects that are found within a given distance d of a fixed or moving object over a time interval. ...
The need to query spatiotemporal databases that store trajectories of moving objects arises in a broad range of application domains. ...
INTRODUCTION Moving object databases (MODs) have gained attention as applications in several domains analyze trajectories of moving objects. ...
fatcat:qluobuaa3jfljpz5sc545u4alq
Searching for Similar Trajectories on Road Networks Using Spatio-temporal Similarity
[chapter]
2006
Lecture Notes in Computer Science
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In order to search similar moving object trajectories, the previously used methods focused on Euclidean distance and considered only spatial similarity. ...
In this paper, we consider the properties of moving objects in road network space and define temporal similarity as well as spatio-temporal similarity between trajectories based on POI (Points of Interest ...
Acknowledgements This research was supported by the Internet information Retrieval Research Center(IRC) in Hankuk Aviation University. ...
doi:10.1007/11827252_22
fatcat:qeo5rcbgbrh77ajqejjnjfvgr4
Exploring movement-similarity analysis of moving objects
2009
SIGSPATIAL Special
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ROAD AHEAD
Trajectory Similarity Search The main focus of this stage is the development of a spatiotemporal similarity search method for the effective detection of moving objects trajectories with similar ...
Research on finding similarity between trajectories of moving objects initiated from similarity search techniques on time series databases. ...
doi:10.1145/1645424.1645427
fatcat:5d2r6refyfgmpkplfd7aazq57i
Spatio-temporal Similarity Analysis Between Trajectories on Road Networks
[chapter]
2005
Lecture Notes in Computer Science
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Although research has been conducted that retrieved similar trajectories of moving objects in Euclidean space, very little research has been conducted on moving objects in the space defined by road networks ...
In order to analyze the behavior of moving objects, a measure for determining the similarity of trajectories needs to be defined. ...
the Korean Government and by the Internet information Retrieval Research Center(IRC) in Hankuk Aviation University. ...
doi:10.1007/11568346_30
fatcat:qlahlmqnjbbavlj57hmw2dl3py
Trajectory Similarity Search in Spatial Networks
2006
Proceedings - International Database Engineering and Applications Symposium
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In this paper, we study similarity search for moving object trajectories for spatial networks. ...
Moving objects may exhibit similarity with respect to their traversed paths, and therefore two objects can be correlated based on their path similarity. ...
In this paper, we focus on trajectory similarity of moving objects by considering that object mobility is constrained by an underlying spatial network. ...
doi:10.1109/ideas.2006.48
dblp:conf/ideas/TiakasPNMSD06
fatcat:eh7vaifywffzlkcwigfqlz6myy
Predicting trajectories with probabilistic time geography and massive unconstrained movement data
2018
Figshare
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This paper introduces two data-driven approaches for vessel trajectory prediction based on AIS data: Statistical Model Learning and Similar Trajectory Search. ...
Results show that data-driven approaches outperform commonly used linear trajectory prediction, with Similar Trajectory Search providing the best results. ...
To predict future locations, we first search the historical data for moving objects that were moving along a similar path. ...
doi:10.6084/m9.figshare.7038782.v1
fatcat:fo4zrati2bdbddz5x5pri4ggr4
Similarity Search Algorithm for Efficient Sub-trajectory Matching in Moving Databases
[chapter]
2007
Lecture Notes in Computer Science
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Similarity measure scheme on moving objects has become a topic of increasing in the area of moving databases. ...
In this paper, we propose a new similarity search algorithm for efficient sub-trajectory matching. ...
to the trajectory data of moving objects in moving databases. ...
doi:10.1007/978-3-540-72588-6_132
fatcat:yqvbfwbrzfcfthlssuridwdham
Similarity Search for Trajectories of RFID Tags in Supply Chain Traffic
2016
International Journal of Database Management Systems
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In this paper we propose an improved encoding scheme that encodes the flows of objects in RFID tag movement. A Trajectory of moving RFID tags consists of a sequence of tagsthat changes over time. ...
support of efficient trajectory similarity techniques is indisputably very important for the quality of data analysis tasks in Supply Chain Traffic which will enable similar product movements. ...
Finding Similar Trajectories Most of the trajectory similarity methods consider only spatial similarity in measuring the similarity between moving object trajectories. ...
doi:10.5121/ijdms.2016.8302
fatcat:37ny6p4mqfgl3pkkcnkgmywhbq
Index-based Most Similar Trajectory Search
2007
2007 IEEE 23rd International Conference on Data Engineering
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The problem of trajectory similarity in moving object databases is a relatively new topic in the spatial and spatiotemporal database literature. ...
In this work, we address the issue of spatiotemporal trajectory similarity search by defining a similarity metric, proposing an efficient approximation method to reduce its calculation cost, and developing ...
An interesting type of query that is useful in MOD search is the so-called trajectory similarity problem, which aims to find 'similar' trajectories of moving objects. ...
doi:10.1109/icde.2007.367927
dblp:conf/icde/FrentzosGT07
fatcat:xfs2r4ocqrexlelzzrxc37d77u
A New Signature-Based Indexing Scheme for Efficient Trajectory Retrieval in Spatial Networks
2009
IEICE transactions on information and systems
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In this paper, we propose an efficient indexing scheme for retrieving moving object trajectories in spatial networks. ...
In addition, we provide an insertion algorithm for storing the segment information of a moving object trajectory as well as a retrieval algorithm to find a set of moving objects whose trajectories match ...
Though both of the FNR-tree [8] and MON-tree [9] meet the first and the second requirements, they do not support similar trajectory search for moving objects, and so they fail to meet the final requirement ...
doi:10.1587/transinf.e92.d.1240
fatcat:yh7ddcxwrfh3lodhwdmzcp2j7y
Efficient mutual nearest neighbor query processing for moving object trajectories
2010
Information Sciences
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In addition, we extend our techniques to tackle historical continuous MNN (HCMNN) search for moving object trajectories, which returns the mutual nearest neighbors of q (for a specified k 1 and k 2 ) at ...
Given a set D of trajectories, a query object q, and a query time extent C, a mutual (i.e., symmetric) nearest neighbor (MNN) query over trajectories finds from D, the set of trajectories that are among ...
Similarity-based search for moving object trajectories, which only focuses on the spatial similarity, but ignores temporal information, has been investigated in [7, 33, 51, 54] . Frentzos et al. ...
doi:10.1016/j.ins.2010.02.010
fatcat:rdg3hpwcbrhjpnb2x43qje6n24
Indexing for Moving Objects in Multi-Floor Indoor Spaces That Supports Complex Semantic Queries
2016
ISPRS International Journal of Geo-Information
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In addition, currently, the indexing of indoor moving objects is mainly based on space-related query and less frequently on semantic query. ...
Euclidean distance-based indexing techniques for outdoor moving objects cannot be used in indoor spaces due to the existence of indoor obstructions (e.g., walls). ...
In summary, in contrast to the indexing of moving objects in outdoor spaces, the characteristics of multi-floor searches and semantic searches must also be comprehensively considered for indoor spaces. ...
doi:10.3390/ijgi5100176
fatcat:vtyrocvg6bcnvagzoy57xc3tlq
Trajectory queries and octagons in moving object databases
2002
Proceedings of the eleventh international conference on Information and knowledge management - CIKM '02
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An important class of queries in moving object databases involves trajectories. ...
The filter and refinement steps are similar to region searches. As in spatial databases, approximations of trajectories are typically used in evaluating trajectory queries. ...
TRAJECTORY QUERIES An important class of queries in moving object databases involve trajectories of moving objects. ...
doi:10.1145/584792.584860
dblp:conf/cikm/ZhuSI02
fatcat:ubqckc74gjb7pl6cyudau5lgzi
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