the main goal of this research is to study, through the minimalist program, the mechanism of checking phi(φ)-features (person & number) and nominative case in persian sentences. different syntactic structures are examined in this paper. it is shown that verb raising is overt in persian and that the uninterpretable φ-features of the finite tense head are valued & checked by the interpretable φ-f...

Zero watermarking is an important part of copyright protection vector geographic data. However, how to improve the robustness zero still a critical challenge, especially in resisting attacks with significant distortion. We proposed method for data based on number neighboring features. The makes full use spatial characteristics data, including topological and statistical characteristics. First, ...