Nearest Neighbor (NN) search has been in the core of spatial and spatiotemporal database research during the last decade. The literature on NN query processing algorithms so far d...
Elias Frentzos, Kostas Gratsias, Nikos Pelekis, Ya...
We present a new formal OO method, called FOX, which is a synergetic combination of the semi-formal Fusion method and the formal specification language Object-Z. To manage complex...
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Many classes of images have the characteristics of sparse structuring of statistical dependency and the presence of conditional independencies among various groups of variables. S...
This paper presents the implementation and performance evaluation of a real, secure object-based storage system compliant to the TIO OSD standard. In contrast to previous work, ou...
Zhongying Niu, Ke Zhou, Dan Feng, Hong Jiang, Fran...