Argonne treads carefully
نویسندگان
چکیده
منابع مشابه
The Argonne Voyager Multimedia Server
With the growing presence of multimedia-enabled systems, we will see an integration of collaborative computing concepts into future scientific and technical workplaces. Desktop teleconferencing is common today,while more complex teleconferencing technology that relies on the availability of multipoint-enabled tools is starting to become available on PCs. A critical problem when using these coll...
متن کاملARGONNE NATIONAL LABORATORY 9700 South Cass
Incomplete factorization has been shown to be a good preconditioner for the conjugate gradient method on a wide variety of problems. It is well known that allowing some ll-in during the incomplete factorization can signiicantly reduce the number of iterations needed for convergence. Allowing ll-in, however, increases the time for the factorization and for the triangular system solves. In additi...
متن کاملCutting Cakes Carefully
Ted Hill is professor emeritus of mathematics at Georgia Tech, and has held visiting appointments in Costa Rica, Germany (Gauss Professor), Holland (NSF-NATO Fellow), Israel, Italy, and Mexico. He studied at West Point (B.S.), Stanford (M.S.), Göttingen (Fulbright Scholar), and Berkeley (M.A., Ph.D.), and his primary research interests are in mathematical probability, especially optimal-stoppin...
متن کاملSelect your words carefully.
A dvanced speech and language skills are among the most striking traits that separate humans from all other forms of life. Now two groups, Enard et al (2002) and Zhang et al (2002), have taken a step forward towards identifying recent genetic changes that may provide the underpinnings of these uniquely human characteristics. A major goal of human evolutionary biology is to identify the factors ...
متن کاملChoose Your Words Carefully
Good feature selection is essential for text classification to make it tractable for machine learning, and to improve classification performance. This study benchmarks the performance of twelve feature selection metrics across 229 text classification problems drawn from Reuters, OHSUMED, TREC, etc. using Support Vector Machines. The results are analyzed for various objectives. For best accuracy...
متن کاملذخیره 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: 1990
ISSN: 0028-0836,1476-4687
DOI: 10.1038/345281a0