Fragmented digital connectivity and security at sea

Digital Reconstruction of Fragmented Artifacts

(EN) We describe an ongoing research project on efficient methods for identification and reconstruction of broken objects among large collections of irregular fragments. Applications include archaeology, art restoration, failure analysis, and other disciplines. Our solution for flat objects uses multi-scale matching and constrained dynamic programming. We are now extending it to curved pottery ...

Achieving climate connectivity in a fragmented landscape.

The contiguous United States contains a disconnected patchwork of natural lands. This fragmentation by human activities limits species' ability to track suitable climates as they rapidly shift. However, most models that project species movement needs have not examined where fragmentation will limit those movements. Here, we quantify climate connectivity, the capacity of landscape configuration ...

international relations and security in the digital age

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Iran's Role In Energy Security At Regional And Global Levels

Data Security Equals Graph Connectivity

To protect sensitive information in a cross tabulated table, it is a common practice to suppress some of the cells in the table. This paper investigates four levels of data security of a two-dimensional table concerning the effectiveness of this practice. These four levels of data security protect the information contained in, respectively, individual cells, individual rows and columns, several...