نتایج جستجو برای: hierarchical model

تعداد نتایج: 2163881  

2009
Victoria L. Crotzer Janice S. Blum

2000
Srinivas Bangalore Owen Rambow

Previous stochastic approaches to generation do not include a tree-based representation of syntax. While this may be adequate or even advantageous for some applications, other applications pro t from using as much syntactic knowledge as is available, leaving to a stochastic model only those issues that are not determined by the grammar. We present initial results showing that a tree-based model...

1998
Masahiro Takigawa Naohiro Seo Yoshiki Tokura Fukumi Furukawa

Lesions Coinfiltrating in Early B16 Melanoma T Cells β α T and δ γ Expressed on Th2-Type Molecules b T Cell Activities by MHC K

Journal: :پژوهش آب در کشاورزی 0
مهدی صدیق کیا پژوهشگر مرکز تحقیقات و توسعه، سازمان اتکا (دانشجوی دکتری تخصصی سازه های آبی). محمد باقر ناطقی مدیریت منابع آب هلدینگ مزارع نوین ایرانیان، سازمان اتکا. شهرزاد کاویانی کوثرخیزی کارشناس ارشد سازه های آبی، دانشگاه تهران. نجمه نقی پور کارشناس ارشد سازه های آبی، دانشگاه تربیت مدرس.

for the proper use of water resources in agriculture, it is necessary to provide appropriate irrigation system to supply crop water requirement. in the present research, using a hierarchical analysis, different types of irrigation systems were evaluated and prioritized on 1150 hectares of agricultural land of etka organization ​​ located in dorud, iran. hierarchical analysis process is one of t...

Journal: :مدیریت دولتی 0
فرشید حسینی دانشگاه تهران حمزه رایج دانشگاه تهران مهرداد استری دانشگاه تهران سید مهدی شریفی دانشگاه تهران

the purpose of this article is to examine the relationship between organizational culture and leadership styles. organizational culture is important factor that can be influence organizational performance and also leadership is one of the key parts that can be affected organizational success. however, recognition about the relationship between these two effective factors on organizational perfo...

2007
Edward C. Melhuish Mai B. Phan Kathy Sylva Pam Sammons Brenda Taggart

This study investigates the influence of aspects of home and preschool environments upon literacy and numeracy achievement at school entry and at the end of the third year of school. Individuals with unexpected performance pathways (by forming demographically adjusted groups: overachieving, average, and underachieving) were identified in order to explore the effects of the Home Learning Environ...

2002
Sandip Roy

In this article, an aggregate stochastic model for an Air Traffic System (ATS) is developed. Specifically, using a stochastic description of an ATS based on Poisson processes, we construct a stochastic dynamic model for aircraft counts in regions of an airspace. As an example, the developed model is used to represent Center counts in the United States ATS. We also discuss parameter determinatio...

2002
ZHOU Chenghu

A Raster-based Spatiotemporal Hierarchical Data Model (RSHDM) was designed for the nature of marine phenomena or marine fishery management. Based on the data model a spatiotemporal data warehouse for marine fishery management has been developed. The practice shows that the RSHDM can provide aggregation data for the fishery management on each level.

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