Event Trees
Mostrando 1-12 de 26 artigos, teses e dissertações.
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1. Microclimate alterations caused by agricultural hail net coverage and effects on apple tree yield in subtropical climate of Southern Brazil
ABSTRACT The use of hail net coverage on plants is an effective measure to mitigate damage caused by hailstorms. In southern Brazil, areas with apple orchards under hail net coverage have increased in recent years. However, little is known about the possible effects on the microclimate and, consequently, on plant growth, crop yield and fruit quality. The hyp
Bragantia. Publicado em: 18/12/2017
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2. Do the structures of macaw palm fruit protect seeds in a fire-prone environment?
ABSTRACT Fire is an abiotic disturbance that regulates vegetation structure and biodiversity. Some plant species have adapted to fire prone environments by evolving protective structures. Acrocomia aculeata (macaw palm) is widely distributed throughout tropical America, and is found in environments continuously influenced by anthropogenic fire. We aimed to d
Acta Bot. Bras.. Publicado em: 27/10/2016
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3. Application of data mining techniques to TCP/IP network traffic logs analysis / Aplicação de técnicas de data mining para a análise de logs de trafégo TCP/IP
Since the popularization of the Internet in recent years, the amount and variety of computer network services has greatly increased. At the same time new methods to commit crimes using these services appeared, mostly by attempting intrusion or compromising networks. Logging network and application activities through collection and storing of network logs is
Publicado em: 2007
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4. AvaliaÃÃo probabilÃstica de risco via modelo causal hÃbrido em cirurgia : o caso da histerectomia vaginal
A anÃlise probabilÃstica de risco à uma metodologia que identifica, avalia e quantifica os riscos nos mais diversos procedimentos, desde de sistemas de alta complexidade tecnolÃgica a sistemas onde sà existe o homem executando tarefas. Esta anÃlise tem como objetivo melhorar a seguranÃa e o desempenho destes processos. A Ãrea de saÃde ainda encontra
Publicado em: 2006
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5. Uma metodologia para avaliaÃÃo da confiabilidade humana em atividades de substituiÃÃo de cadeias de isoladores em linhas de transmissÃo
Human Reliability Analysis (HRA) has been used to study the execution of human actions, and their interactions with a system, taking into account its limitations and factors influencing the human performance. The HRA models are usually categorized into the first and second generation methods, where most of then has been developed in the context of the nuclea
Publicado em: 2005
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6. AnÃlise probabilÃstica de risco via Redes Bayesianas: uma aplicaÃÃo na construÃÃo de poÃos multilaterais
A anÃlise probabilÃstica de riscos à um mÃtodo que ajuda a identificar e avaliar o risco, em sistemas de tecnologia complexa, com o propÃsito de atravÃs de uma anÃlise de custobenefÃcio melhorar a seguranÃa e desempenho. O mÃtodo âtradicionalâ faz uso de duas tÃcnicas de modelagem e avaliaÃÃo: Ãrvore de falhas e Ãrvore de eventos. PorÃm, es
Publicado em: 2005
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7. Redes Bayesianas para a parametrizaÃÃo da confiabilidade em sistemas complexos
A anÃlise de confiabilidade à uma tÃcnica de suporte a tomadas de decisÃo e controle que auxilia gestores na busca da garantia da execuÃÃo satisfatÃria das funÃÃes dos Ãtens a respeito de um dado sistema, considerando suas limitaÃÃes, o seu desgaste e os fatores que influenciam seu desempenho, sejam estes Ãtens equipamentos ou pessoas. à comum
Publicado em: 2004
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8. Mixtures of Polya trees for flexible spatial frailty survival modelling
Mixtures of Polya trees offer a very flexible nonparametric approach for modelling time-to-event data. Many such settings also feature spatial association that requires further sophistication, either at the point level or at the lattice level. In this paper, we combine these two aspects within three competing survival models, obtaining a data analytic approa
Oxford University Press.
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9. Gene Genealogy in Three Related Populations: Consistency Probability between Gene and Population Trees
A genealogical relationship among genes at a locus (gene tree) sampled from three related populations was examined with special reference to population relatedness (population tree). A phylogenetically informative event in a gene tree constructed from nucleotide differences consists of interspecific coalescences of genes in each of which two genes sampled fr
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10. Using food web dominator trees to catch secondary extinctions in action
In ecosystems, a single extinction event can give rise to multiple ‘secondary’ extinctions. Conservation effort would benefit from tools that help forecast the consequences of species removal. One such tool is the dominator tree, a graph-theoretic algorithm that when applied to food webs unfolds their complex architecture, yielding a simpler topology mad
The Royal Society.
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11. Wanda: a database of duplicated fish genes
Comparative genomics has shown that ray-finned fish (Actinopterygii) contain more copies of many genes than other vertebrates. A large number of these additional genes appear to have been produced during a genome duplication event that occurred early during the evolution of Actinopterygii (i.e. before the teleost radiation). In addition to this ancient genom
Oxford University Press.
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12. Comparative genomics provides evidence for an ancient genome duplication event in fish.
There are approximately 25 000 species in the division Teleostei and most are believed to have arisen during a relatively short period of time ca. 200 Myr ago. The discovery of 'extra' Hox gene clusters in zebrafish (Danio rerio), medaka (Oryzias latipes), and pufferfish (Fugu rubripes), has led to the hypothesis that genome duplication provided the genetic