Shortest path algorithms sit at the heart of modern graph theory and many of the systems that move people, data, and goods around the world. After nearly seventy years of relying on the same classic ...

Abstract: The rapid development of cloud computing and increasing adoption of unstructured data impose higher requirements on cloud servers to deliver advanced query capabilities tailored for ...

Abstract: The continuous development of mobile terminal applications, online maps, and other navigation services have become widely used, simultaneously giving rise to significant security risks. To ...