Looting and vandalism threaten Afghanistan's seed distribution

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Archeology and looting: preserving the record.

Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/about/terms.html. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your perso...

متن کامل

Looting and Gambling in Banking Crises∗

We construct a model of the banking firm and use it to study bank behavior and bank regulatory policy during crises. In our model, during a crisis a bank can increase the risk of its asset portfolio (“risk shift”), convert bank assets to the personal benefit of the bank manager (“loot”), or do both. Each action is socially costly. To mitigate such actions, a regulator has three policy tools: it...

متن کامل

Language of Vandalism: Improving Wikipedia Vandalism Detection via Stylometric Analysis

Community-based knowledge forums, such as Wikipedia, are susceptible to vandalism, i.e., ill-intentioned contributions that are detrimental to the quality of collective intelligence. Most previous work to date relies on shallow lexico-syntactic patterns and metadata to automatically detect vandalism in Wikipedia. In this paper, we explore more linguistically motivated approaches to vandalism de...

متن کامل

Detecting Wikipedia Vandalism

Since its inception in 2001, Wikipedia has become the largest encyclopedia ever created in human history. With over 4 million articles in the English edition alone, it has become the highest-traffic educational website on the Internet. It receives over 100,000 edits per day, which can be daunting for human editors to monitor for vandalism, spam, or other inappropriate content. While there are e...

متن کامل

Automatic Vandalism Detection in Wikipedia

We present results of a new approach to detect destructive article revisions, so-called vandalism, in Wikipedia. Vandalism detection is a one-class classification problem, where vandalism edits are the target to be identified among all revisions. Interestingly, vandalism detection has not been addressed in the Information Retrieval literature by now. In this paper we discuss the characteristics...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nature

سال: 2002

ISSN: 0028-0836,1476-4687

DOI: 10.1038/419103a