Mining Top-n Local Outliers in Constrained Spatial Networks
ADMA '08 Proceedings of the 4th international conference on Advanced Data Mining and Applications
TraClass: trajectory classification using hierarchical region-based and trajectory-based clustering
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Large human communication networks: patterns and a utility-driven generator
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DynaMMo: mining and summarization of coevolving sequences with missing values
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A Framework for Trajectory Clustering
GSN '09 Proceedings of the 3rd International Conference on GeoSensor Networks
Design and evaluation of trajectory join algorithms
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Trajectory Clustering via Effective Partitioning
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Efficient mutual nearest neighbor query processing for moving object trajectories
Information Sciences: an International Journal
TOD: Temporal outlier detection by using quasi-functional temporal dependencies
Data & Knowledge Engineering
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FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 5
MoveMine: mining moving object databases
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Metric forensics: a multi-level approach for mining volatile graphs
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Top-Eye: top-k evolving trajectory outlier detection
CIKM '10 Proceedings of the 19th ACM international conference on Information and knowledge management
Analysis of large multi-modal social networks: patterns and a generator
ECML PKDD'10 Proceedings of the 2010 European conference on Machine learning and knowledge discovery in databases: Part I
Unsupervised trajectory sampling
ECML PKDD'10 Proceedings of the 2010 European conference on Machine learning and knowledge discovery in databases: Part III
Anomaly localization for network data streams with graph joint sparse PCA
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Discovering spatio-temporal causal interactions in traffic data streams
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ThermoCast: a cyber-physical forecasting model for datacenters
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iBAT: detecting anomalous taxi trajectories from GPS traces
Proceedings of the 13th international conference on Ubiquitous computing
Proceedings of the 13th international conference on Ubiquitous computing
Trajectory anonymity in publishing personal mobility data
ACM SIGKDD Explorations Newsletter
Non-separable transforms for clustering trajectories
KES'11 Proceedings of the 15th international conference on Knowledge-based and intelligent information and engineering systems - Volume Part II
A novel outlier detection method for spatio-tempral trajectory data
ICHIT'11 Proceedings of the 5th international conference on Convergence and hybrid information technology
Proceedings of the 20th ACM international conference on Information and knowledge management
Query answering on trajectory cuboids using prime numbers encodings
Proceedings of the 15th Symposium on International Database Engineering & Applications
Discovering interesting sub-paths in spatiotemporal datasets: a summary of results
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Exploration through enrichment: a visual analytics approach for animal movement
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Efficient and effective query answering for trajectory cuboids
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
A hybrid model and computing platform for spatio-semantic trajectories
ESWC'10 Proceedings of the 7th international conference on The Semantic Web: research and Applications - Volume Part I
On the spatiotemporal burstiness of terms
Proceedings of the VLDB Endowment
Integrating community matching and outlier detection for mining evolutionary community outliers
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Characterizing large-scale population's indoor spatio-temporal interactive behaviors
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Machine learning for vessel trajectories using compression, alignments and domain knowledge
Expert Systems with Applications: An International Journal
Warehousing and querying trajectory data streams with error estimation
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Leveraging read rates of passive RFID tags for real-time indoor location tracking
Proceedings of the 21st ACM international conference on Information and knowledge management
Community trend outlier detection using soft temporal pattern mining
ECML PKDD'12 Proceedings of the 2012 European conference on Machine Learning and Knowledge Discovery in Databases - Volume Part II
Effectively grouping trajectory streams
NFMCP'12 Proceedings of the First international conference on New Frontiers in Mining Complex Patterns
Real Time Anomalous Trajectory Detection and Analysis
Mobile Networks and Applications
Motif discovery in spatial trajectories using grammar inference
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Efficient identification and approximation of k-nearest moving neighbors
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Computer Vision and Image Understanding
Direction-preserving trajectory simplification
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Data Mining and Knowledge Discovery
Dealing with trajectory streams by clustering and mathematical transforms
Journal of Intelligent Information Systems
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Outlier detection has been a popular data mining task. However, there is a lack of serious study on outlier detection for trajectory data. Even worse, an existing trajectory outlier detection algorithm has limited capability to detect outlying sub-trajectories. In this paper, we propose a novel partition-and-detect framework for trajectory outlier detection, which partitions a trajectory into a set of line segments, and then, detects outlying line segments for trajectory outliers. The primary advantage of this framework is to detect outlying sub-trajectories from a trajectory database. Based on this partition-and-detect framework, we develop a trajectory outlier detection algorithm TRAOD. Our algorithm consists of two phases: partitioning and detection. For the first phase, we propose a two-level trajectory partitioning strategy that ensures both high quality and high efficiency. For the second phase, we present a hybrid of the distance-based and density-based approaches. Experimental results demonstrate that TRAOD correctly detects outlying sub-trajectories from real trajectory data.