Annie Webber

نویسندگان

چکیده

برای دانلود رایگان 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

Bonnie Webber and Nick Webb

Questions are asked and answered every day. Question answering (QA) technology aims to deliver the same facility online. It goes further than the more familiar search based on keywords (as in Google, Yahoo, and other search engines), in attempting to recognize what a question expresses and to respond with an actual answer. This simplifies things for users in two ways. First, questions do not of...

متن کامل

Orphan Annie-eye Nuclei

The nucleus forms the central part of a cell which controls gene expression and mediates the replication of deoxyribonucleic acid (DNA) during cell cycle. Two main types of nuclei which we usually encounter are the open face (transcriptionally active cells), consisting of large areas of euchromatin and the closed faced nucleus (transcriptionally inactive cells-most of its genome is in inactive ...

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: 2008

ISSN: 0028-0836,1476-4687

DOI: 10.1038/451604a