By Mor Naaman (auth.), Nikos Mamoulis, Thomas Seidl, Torben Bach Pedersen, Kristian Torp, Ira Assent (eds.)

ISBN-10: 3642029817

ISBN-13: 9783642029813

ISBN-10: 3642029825

ISBN-13: 9783642029820

This quantity constitutes the refereed court cases of the eleventh overseas Symposium on Spatial and Temporal Databases, SSTD 2009, held in Aalborg, Denmark, in July 2009.

The 20 revised complete papers provided including three keynotes, 7 brief papers, and 10 demonstration papers, have been completely reviewed and chosen from a complete of sixty two examine submissions and eleven demonstration submissions. The papers are geared up in topical sections on spatial and circulate networks, integrity and safeguard, doubtful info and new applied sciences, indexing and tracking relocating items, complicated queries, in addition to on versions and languages.

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Addressed the same problem using Island approach [16] where each vertex is associated (and network distance precomputed) to all the data points that are centers of given radius r (so called islands) covering the vertex. With their approach, they utilized a restricted network expansion from the query point while using the precomputed islands. , the distance to the data objects are precomputed) and subdivide the spatial network based on the Efficient Continuous Nearest Neighbor Query in Spatial Networks 29 location of the data objects.

E. El Ni˜no) and unusual weather patterns throughout the world [1]. ) to delay or cancel flights. Indeed, many events in everyday life display patterns related to other events occurring a distance away. , N. Mamoulis et al. ): SSTD 2009, LNCS 5644, pp. 44–61, 2009. c Springer-Verlag Berlin Heidelberg 2009 Discovering Teleconnected Flow Anomalies 45 Fig. 1.

If so, ER-CkNN recomputes the kNN from the beginning by ignoring the data object and edge updates. Otherwise, ER-CkNN first processes the edge updates since handling the query update before considering the edge update may result in retrieving wrong active-edges. After finishing the edge updates, ER-CkNN processes the query movement. Finally, it handles data object updates based on the finalized active-edges from the previous two updates. 5 Discussion In this section we discuss the two main factors that affect the performance of ER-CkNN, namely the grid granularity and the network topology.

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Advances in Spatial and Temporal Databases: 11th International Symposium, SSTD 2009 Aalborg, Denmark, July 8-10, 2009 Proceedings by Mor Naaman (auth.), Nikos Mamoulis, Thomas Seidl, Torben Bach Pedersen, Kristian Torp, Ira Assent (eds.)


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