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 Phylo Autor Mensaje
Agro
Presidente del CEIT
Su marca puede estar aquí

Ing. en Sistemas

Mensajes: 6.828
Registro en: Jul 2008
 Mensaje: #1 Phylo Phylo, el juego para ayudar a investigar desordenes genéticos. Es muy fácil de jugar y es muy entretenido! http://phylo.cs.mcgill.ca/eng/play.html Spoiler: MostrarWhat's Phylo all about? Though it may appear to be just a game, Phylo is actually a framework for harnessing the computing power of mankind to solve a common problem; Multiple Sequence Alignments. What is a Multiple Sequence Alignment? A sequence alignment is a way of arranging the sequences of D.N.A, R.N.A or protein to identify regions of similarity. These similarities may be consequences of functional, structural, or evolutionary relationships between the sequences. From such an alignment, biologists may infer shared evolutionary origins, identify functionally important sites, and illustrate mutation events. More importantly, biologists can trace the source of certain genetic diseases. The Problem Traditionally, multiple sequence alignment algorithms use computationally complex heuristics to align the sequences. Unfortunately, the use of heuristics do not guarantee global optimization as it would be prohibitively computationally expensive to achieve an optimal alignment. This is due in part to the sheer size of the genome, which consists of roughly three billion base pairs, and the increasing computational complexity resulting from each additional sequence in an alignment. Our Approach Humans have evolved to recognize patterns and solve visual problems efficiently. By abstracting multiple sequence alignment to manipulating patterns consisting of coloured shapes, we have adapted the problem to benefit from human capabilities. By taking data which has already been aligned by a heuristic algorithm, we allow the user to optimize where the algorithm may have failed. The Data All alignments were generously made available through UCSC Genome Browser. In fact, all alignments contain sections of human DNA which have been speculated to be linked to various genetic disorders, such as breast cancer. Every alignment is received, analyzed, and stored in a database, where it will eventually be re-introduced back into the global alignment as an optimization. The Results Our PLoS ONE paper shows that human solutions can be used as constraints in classical algorithms to improve the quality of the alignments. It cannot be used to show that humans are better than computers. The whole system should rather be seen as a synergy between humans and computers.
05-05-2012 17:08
LeaTex
Presidente del CEIT
.

Ing. en Sistemas

Mensajes: 4.878
Registro en: Apr 2008

 Mensaje: #2 RE: Phylo lo probé cuando lo pusiste en face. hice el tutorial, y avancé 1 nivel. creo que no entendí bien qué hay que hacer
05-05-2012 22:52
Vallo
Mejor Firma 2011
HAHAHAHAH

Ing. en Sistemas

Mensajes: 2.760
Registro en: Sep 2009
 Mensaje: #3 RE: Phylo no lo entendí, hice el tutorial 2 veces y después no me andaba el modo "normal" nunca me empezó el juego...
05-05-2012 23:34
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