As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

Abstract: Based on the strong demand for independent control and the improvement of domestic databases, database localization has become an inevitable trend. In the process of migrating Oracle ...

Abstract: Least-squares reverse time migration (LSRTM), a linearized inverse problem, provides high-resolution subsurface images by minimizing the misfit between observed and simulated data. LSRTM can ...