نتایج جستجو برای: temporal trends

تعداد نتایج: 385123  

Journal: :Journal of biomedical informatics 2010
Wenyuan Li Min Xu Xianghong Jasmine Zhou

Unraveling the temporal complexity of cellular systems is a challenging task, as the subtle coordination of molecular activities cannot be adequately captured by simple mathematical concepts such as correlation. This paper addresses the challenge with a data-mining approach. We introduce the novel concept of a "frequent temporal association pattern" (FTAP): a set of genes simultaneously exhibit...

2010
Puteri N. E. Nohuddin Rob Christley Frans Coenen Yogesh Patel Christian Setzkorn Shane Williams

A technique for identifying, grouping and analysing trends in social networks is described. The trends of interest are defined in terms of sequences of support values for specific patterns that appear across a given social network. The trends are grouped using a SOM technique so that similar trends are clustered together. A cluster analysis technique is then applied to identify “interesting” tr...

Journal: :تحقیقات جغرافیایی 0
علی اکبر رسولی گروه جغرافی دانشگاه تبریز احمد رضا قاسمی گروه جغرافی دانشگاه تبریز رقیه روشنی گروه جغرافی دانشگاه تبریز احمد رضا قاسمی گروه جغرافی دانشگاه تبریز

abstractprecipitation could be regarded as a complex and a very vital element in the earth atmosphere and its spatial-temporal changes can control iran's climate. in the current research, in order to model the spatial-temporal changes of annual precipitation, the data taking from 50 synoptic stations, have been analyzed during the years 1966-2005, with a suitable distribution. the most dat...

2018
Ronny Brendel Bert Wesarg Ronny Tschuter Matthias Weber Thomas Ilsche Sebastian Oeste

As applications grow in capability, they also grow in complexity. This complexity in turn gets pushed into modules and libraries. In addition, hardware configurations become increasingly elaborate, too. These two trends make understanding, debugging and analyzing the performance of applications more and more difficult. To enable detailed insight into library usage of applications, we present an...

Journal: :Journal of health communication 2007
Stephen A Rains

As medical information becomes increasingly available and individuals take a more active role in managing their personal health, it is essential for scholars to better understand the general public's information-seeking behavior. The study reported here explores the use of the World Wide Web to seek health information in a contemporary information-media environment. Drawing from uses and gratif...

2017
Kristine R Hearld Larry R Hearld Allyson G Hall

OBJECTIVES There is growing interest in engaging patients in healthcare research, which raises important questions about the factors that may promote such engagement. The purpose of this study was to examine the association between patient characteristics and three aspects of patient engagement in the medical research process: awareness, interest, and actual participation. METHODS Cross-secti...

Journal: :JASIST 2011
Mor Naaman Hila Becker Luis Gravano

Twitter, Facebook, and other related systems that we call social awareness streams are rapidly changing the information and communication dynamics of our society. These systems, where hundreds of millions of users share short messages in real time, expose the aggregate interests and attention of global and local communities. In particular, emerging temporal trends in these systems, especially t...

2018
Timothy D Counihan Ian R Waite Andrew F Casper David L Ward Jennifer S Sauer Elise R Irwin Colin G Chapman Brian S Ickes Craig P Paukert John J Kosovich Jennifer M Bayer

Understanding trends in the diverse resources provided by large rivers will help balance tradeoffs among stakeholders and inform strategies to mitigate the effects of landscape scale stressors such as climate change and invasive species. Absent a cohesive coordinated effort to assess trends in important large river resources, a logical starting point is to assess our ability to draw inferences ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2005
shadi yadegar mahmoud reza pishvaie

in this article the methodology proposed by li and wang for mixed qualitative and quantitative modeling and simulation of temporal behavior of processing unit is reexamined and extended to more complex case. the main issue of their approach considers the multivariate statistics of principal component analysis (pca), along with clustered fuzzy digraphs and reasoning. the pca and fuzzy clustering...

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