Moving Object Trajectories Meta-Model and Spatio-Temporal Queries
نویسندگان
چکیده
منابع مشابه
Moving Object Trajectories Meta-Model And Spatio-Temporal Queries
In this paper, a general moving object trajectories framework is put forward to allow independent applications processing trajectories data benefit from a high level of interoperability, information sharing as well as an efficient answer for a wide range of complex trajectory queries. Our proposed meta-model is based on ontology and event approach, incorporates existing presentations of traject...
متن کاملSpatio-Temporal Moving Object Proposals
We present a method that segments moving objects in monocular uncalibrated videos using a combination of moving segment proposal generation and moving objectness ranking. We compute segment proposals in each frame by multiple figure-ground segmentations on optical flow boundaries, we call them Moving Object Proposals (MOPs). MOPs increase the object detection rate by 7% over static segment prop...
متن کاملA P2P Meta-index for Spatio-temporal Moving Object Databases
In this paper we propose a distributed meta-index using a peer-to-peer protocol to allow spatio-temporal queries of moving objects on a large set of distributed database servers. We present distribution and fault tolerance strategies of a meta-index that combines partial trace of object movements with aggregated data about the number of objects in the database servers. The degrees of distributi...
متن کاملMoving Objects Trajectories’ Meta Model
This paper presents a repository of trajectories’ models in a proposed moving object trajectories’ meta-model. It is highly abstracted and unified schema where current trajectories’ models are integrated; new patterns are added, such as measure and observation according to OGC sensor and measure meta-model. Furthermore, it integrates activity concept and generic device used as mobile object det...
متن کاملDiscovering Semantic Spatial and Spatio-Temporal Outliers from Moving Object Trajectories
Several algorithms have been proposed for discovering patterns from trajectories of moving objects, but only a few have concentrated on outlier detection. Existing approaches, in general, discover spatial outliers, and do not provide any further analysis of the patterns. In this paper we introduce semantic spatial and spatio-temporal outliers and propose a new algorithm for trajectory outlier d...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: International Journal of Database Management Systems
سال: 2012
ISSN: 0975-5985
DOI: 10.5121/ijdms.2012.4203