نتایج جستجو برای: based ibm model

تعداد نتایج: 4407835  

2011
Marta Ginovart Clara Prats Xavier Portell

Individual-based models (IBMs), the biological agentbased models, are currently being applied to the study of microbial systems. A microbial IBM of yeast populations growing in liquid bath cultures has already been designed and implemented in the simulator called INDISIM-YEAST. In order to improve its predictive capabilities and further its development, a deeper understanding of how the variati...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده فیزیک 1393

سعی ما در این پایان نامه مطالعه گذر فاز کوانتومی در 2-ibm بود برای همین منظور از هامیلتونین گذر u(5)-o(6) استفاده کردیم و با کمک گیری از جبر آفین su(1,1) آن را بسط دادیم. با رسم نمودار طیف انرژی و پارامتر کنترلی ، به این نتیجه رسیدیم که بر اساس ویژگی های تقارنی هر کدام از حدود تقارن ، ثابت های مخصوص خود و به تبع آن ، رفتار معینی از نظر انرژی و سایر پارامتر های مرتبط با ساختار سیستم دارد . در نق...

2009
Marco Ajelli Stefano Merler

Mathematical models are powerful tools for simulating plausible epidemic spread scenarios and for evaluating the impact of control policies. They represent the scientific basis on which public health policy makers should take their decisions on the intervention strategies that should be performed at local, national and international scale. In this context, Individual-Based simulation Models (IB...

1998
Mahadevan Ganapathi Charles N. Fischer

Affix grammars are used to describe the instruction-set of a target architecture for purposes of compiler code generation A code generator is obtained automatically for a compiler using attributed parsing techniques. A compiler built on this model can automatically perform most popular machine-dependent optimizations, including peephole optimizations. Implementations of code generators based on...

2002
Kristina Toutanova H. Tolga Ilhan Christopher D. Manning

This paper describes improved HMM-based word level alignment models for statistical machine translation. We present a method for using part of speech tag information to improve alignment accuracy, and an approach to modeling fertility and correspondence to the empty word in an HMM alignment model. We present accuracy results from evaluating Viterbi alignments against human-judged alignments on ...

Journal: :Journal of neurology, neurosurgery, and psychiatry 2004
S Arnardottir K Borg T Ansved

OBJECTIVE To characterise morphological abnormalities in relation to muscle fibre type in sporadic inclusion body myositis (s-IBM). METHODS 14 muscle biopsies from 11 patients with s-IBM were characterised for morphological abnormalities and fibre type composition as well as muscle fibre regeneration and cytoskeletal structure, using histochemical and immunohistochemical techniques. RESULTS...

2002
Kristina Toutanova H. Tolga Ilhan Christopher D. Manning

This paper describes improved HMM-based word level alignment models for statistical machine translation. We present a method for using part of speech tag information to improve alignment accuracy, and an approach to modeling fertility and correspondence to the empty word in an HMM alignment model. We present accuracy results from evaluating Viterbi alignments against human-judged alignments on ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم 1390

در این پژوهش به منظور درک سن و محیط رسوبی سازند آسماری در برش کوه شجبیل، شمال غرب یاسوج به ضخامت 375 متر 171 نمونه برداشت گردیده است. سازند آسماری در برش مورد مطالعه با معیارهای سنگ شناختی به سه واحد مشخص تفکیک شده است. این واحد ها با داشتن شمای آهک های مسیو، ضخیم، متوسط و نازک لایه، آهک های نازک لایه ی مارنی و بعضاً مارن مشخص می گردد. در این برش تعداد 18 جنس و 29 گونه از فرامینیفرهای بنتیک شنا...

2008
Serdar Kuyucak Andrew E. Stuchbery

It is shown that a consistent description of magnetic dipole properties in transitional nuclei can be obtained in the interacting boson model-2 by Fspin breaking mechanism, which is associated with differences between the proton and neutron deformations. In particular, the long standing anomalies observed in the g-factors of the Os-Pt isotopes are resolved by a proper inclusion of F-spin breaki...

2014
Mohammad Aliannejadi Masoud Kiaeeha Shahram Khadivi Saeed Shiry Ghidary

We experiment graph-based SemiSupervised Learning (SSL) of Conditional Random Fields (CRF) for the application of Spoken Language Understanding (SLU) on unaligned data. The aligned labels for examples are obtained using IBM Model. We adapt a baseline semisupervised CRF by defining new feature set and altering the label propagation algorithm. Our results demonstrate that our proposed approach si...

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