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Wyświetlanie 1-15 z 1238
Tytuł:
Adaptive approaches to parameter control in genetic algorithms and genetic programming
Autorzy:
Spalek, J.
Gregor, M.
Powiązania:
https://bibliotekanauki.pl/articles/117900.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
adaptive approach
genetic algorithms
genetic programming
Opis:
The paper concerns the application of Genetic Algorithms and Genetic Programming to complex tasks such as automated design of control systems, where the space of solutions is non-trivial and may contain discontinuities. Several adaptive mechanisms for control of the search algorithm's parameters are proposed, investigated and compared to each other. It is shown that the proposed mechanisms are useful in preventing the search from getting trapped in local extremes of the fitness landscape.
Źródło:
Applied Computer Science; 2011, 7, 1; 38-56
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adaptive switching of mutation rate for genetic algorithms and genetic programming
Autorzy:
Spalek, J.
Gregor, M.
Powiązania:
https://bibliotekanauki.pl/articles/118223.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
genetic algorithms
genetic programming
adaptive mechanism
Opis:
The paper concerns the application of Genetic Algorithms and Genetic Programming to complex tasks such as automated design of control systems, where the space of solutions is non-trivial and may contain discontinuities. An adaptive value-switching mechanism for mutation rate control is proposed. It is shown that the proposed mechanism is useful in preventing the search from getting trapped in local extremes of the fitness landscape.
Źródło:
Applied Computer Science; 2011, 7, 1; 30-37
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic analysis of silver-fir populations in the Beskids
Autorzy:
Mejnartowicz, L
Powiązania:
https://bibliotekanauki.pl/articles/58866.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
silver fir population
Abies alba
genetic distance
isoenzyme
Beskids Mountains
genetic structure
heterozygosity
genetic analysis
genetic diversity
population
genetic variation
Opis:
Twenty-eight isozymic loci were studied in the Beskid Mts., in four populations of common silver-fir (Abies alba): one in Beskid Makowski (BM) and three populations in Beskid Sądecki (BS). Their genetic variation and diversity were analyzed, and Nei's genetic distances between the populations were calculated. The results show that the geographical distance between the BM population and the three BS populations is reflected in genetic distances. The BM population is clearly distinct from the others. It has the lowest genetic diversity (I = 0.42), percentage of polymorphic loci (%PoL = 64.29) and number of rare alleles (NoRa = 5). Besides, the BM population has the highest observed heterozygosity (Ho = 0.291), which exceeds the expected heterozygosity (He = 0.254), estimated on the basis of the Hardy-Weinberg Principle. On the contrary, BS populations are in the state of equilibrium, which is manifested, in similar values of He = 0.262 and Ho = 0.264.
Źródło:
Acta Societatis Botanicorum Poloniae; 2003, 72, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genoma Humano: da genética à bioética
Autorzy:
Lázaro, Mafalda Guela
Borges de Meneses, Ramiro Délio
Powiązania:
https://bibliotekanauki.pl/articles/2148215.pdf
Data publikacji:
2018
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
genetic
bioethic
genome
genetic therapy
Opis:
A few years ago a new technology is born: Genetic therapy. A revoultionary technology that can edit DNA with incredible precision. Now a question we’ve been asking for decades is becoming very real. If humans had the technology to control the source code of life, what happens when we turn it on ourselves? Once we sart tinkering, where do we stop? And that’s where things get complicated. This technology is crucial to finding cures for countless diseases. Is this the way we want to nurture the next generation of children? This makes man his own god.
Źródło:
Prosopon. Europejskie Studia Społeczno-Humanistyczne; 2018, 4(25); 103-117
1730-0266
Pojawia się w:
Prosopon. Europejskie Studia Społeczno-Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Are we prepared in Poland to promote genetic testing?
Autorzy:
Witt, Michał
Powiązania:
https://bibliotekanauki.pl/articles/1916640.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
genetic tests
confidentiality of genetic data
legal regulation of genetic procedures
Opis:
The extremely rapid development of modern techniques for analyzing the human genome, both in the field of scientific research and diagnostic applications, entails a variety of problems whose solution lags far behind our current technological capabilities. These problems appear in the ethical, social, legal or religious spheres and include such detailed issues as e.g. examination of children for diseases manifested in adulthood, accidental (secondary) results being a side effect of the analysis of the whole genome, the growing offer of tests directed directly to the recipient, patenting of genetic information, confidentiality of genetic data and their availability to third parties, availability of genetic counselling, etc. The legal regulation of these problems, the list of which is growing at an alarming rate, still remains in the sphere of declarations, and its shift to the sphere of real actions seems to be lagging further and further back in time. Do patients, laboratory diagnoses, doctors still have to be held hostage by the legislative impotence?
Źródło:
Nauka; 2020, 2
1231-8515
Pojawia się w:
Nauka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic characterization of Tunisian lime genotypes using pomological traits
Autorzy:
Saddoud Debbabi, O.
Abdelaali, S.B.
Bouhlal, R.
Zneidi, S.
Abdelaali, N.B.
Mars, M.
Powiązania:
https://bibliotekanauki.pl/articles/1080179.pdf
Data publikacji:
2020
Wydawca:
Instytut Ogrodnictwa
Tematy:
genetic characteristics
diversity
genetic resource
lime
Tunisia
pomology
Opis:
Citrus genus includes a wide number of species that have been long cultivated and well adapted in Tunisia. It is represented by small number of plantations and considered as underutilized in Tunisia. Our goal was to genetically characterize Tunisian lime genotypes to obtain data useful for gene conservation and breeding purposes. The survey of genotypes was conducted in the Cap Bon region, where citrus cultivation is the most spread. Sixteen quantitative and 19 qualitative parameters were evaluated. The observed accessions belonged to three different species: Citrus limetta, Citrus latifolia (limes Byrsa), and Citrus limettioides (limes of Palestine) according to Tanaka classification. Principal component analysis confirmed these classifications. Four-cell analysis (FCA) was used to determine the most threatened genotypes. Quantitative traits were evaluated and allowed the discrimination between genotypes. Many quantitative traits of fruit and juice were highly positively and significantly correlated. Phenotypic diversity was determined using Shannon–Wiener diversity index (H’). The highest value of diversity index was observed for both vesicle thickness and thickness of segment walls (H’ = 0.98). Intermediate values were observed for both fruit axis (H’= 0.49) and pulp firmness (H’ = 0.43). However, fruit shape (H’ = 0.24), shape of fruit apex (H’ = 0.24), and vesicle length (H’ = 0.33) presented the lowest values of diversity index. Current findings will be useful to conserve threatened genotypes ex situ and on farm and also will guide strategic conservation on Citrus genetic resources for future breeding programs.
Źródło:
Journal of Horticultural Research; 2020, 28, 1; 65-76
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic status of Polish larch (Larix decidua subsp. polonica (Racib. Domin)) from Chełmowa Mountain: implications for gene conservation
Autorzy:
Litkowiec, M.
Lewandowski, A.
Burczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/2078281.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
European larch
genetic diversity
microsatellites
spatial genetic structure
Opis:
The Polish larch (Larix decidua subsp. polonica (Racib. Domin), a subspecies of European larch, is one of the most valuable forest-forming trees in Poland. It was first discovered on the Chełmowa Mountain where Natural Reserve has been established to protect this subspecies. Currently, this unique population is at risk of extinction. Nonetheless, the knowledge on the genetic diversity of this population and surround- ing larch forests is insufficient to undertake actions aimed at conservation of genetic resources. In this study, we examined the level of genetic diversity and differentiation of four subpopulations of Polish larch from Nature Reserve on the Chełmowa Mountain and surrounding areas. We used eleven nuclear microsatellite markers (SSRs) combined in two multiplex PCR reactions. In total, 344 individuals of Polish larch were genotyped and subjected to further population genetic analyses. We found the high level of genetic diversity (average: He = 0.752, Ho = 0.720) and low levels of genetic differentiation (average: Fst = 0.022). The effective population size was large and homogeneous across subpopulations (mean Ne=90.7), and we found no sign of inbreeding. The spatial genetic structure was detected in two older subpopulations but not in the younger one, suggesting its artificial origin. The old larch subpopulations were genetically homogeneous and they were related to the ancestral group of Polish lowland populations. The old larch core populations growing on Chełmowa Mountain are relatively homogeneous and they well represent the ancestral genetic group of Polish lowland larch populations. However, they still exhibit rela- tively high genetic diversity and sufficiently large effective population sizes assuring their adaptive potential for a long-term existence. Surrounding larch populations are even more genetically diverse but this might be the effect of an admixture of seed sources from various populations from a wider area of Central Europe. We recommend that specific conservation efforts should be undertaken to promote natural regeneration of the core larch populations, even supplemented by the planting of seedlings derived from the oldest larch trees. Other management actions should focus on limiting external gene flow to this unique population of Polish larch.
Źródło:
Dendrobiology; 2018, 80; 101-111
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bezpieczeństwo badań genetycznych - nowoczesne technologie w medycynie
Security of Genetic Research – Modern Technologies in Medicine
Autorzy:
Popławska, Monika
Panasiuk, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/417124.pdf
Data publikacji:
2018-10
Wydawca:
Najwyższa Izba Kontroli
Tematy:
genetic research
health care entity
genetic data
protection of genetic data
medicinal activity
Opis:
Genetic research allows not only for precise diagnosing of diseases, but also for selecting therapy and appropriate medicines, and for insight into future health condition. Genetic information obtained as a result of genetic research is related not only to patients, but to their relatives, too. In this context a threat arises of abuse, infringement of human rights and unauthorised access to genetic data. The audit of NIK was aimed, in the first place, to examine whether genetic research in Poland is conducted with due care for safety requirements, that is whether Polish legal regulations keep up with the development of modern technologies in medicine.
Źródło:
Kontrola Państwowa; 2018, 63, 5 (382); 30-41
0452-5027
Pojawia się w:
Kontrola Państwowa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Polymorphic DNA Sequences in the Identfication of Individuals and its Possible Use in Biometric Systems
Autorzy:
Kartasińska, E.
Brągoszewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/308733.pdf
Data publikacji:
2015
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
DNA identifcation
DNA matching
genetic markers
genetic profiling
Opis:
The article presents the achievements in DNA forensic science practice, the latest developments as well as future trends. The article concerns also other than forensic DNA applications as well as expectations, concerns and obstacles. DNA identification technology unlike other biometric techniques requires the collection of biological material and the identification is not performed in real time. DNA utilized in most of forensic identification, is present almost in every living cell in the body. What is more, each cell of the same body has the same DNA molecule which means that it is possible to compare the DNA sampled from different sources, for example saliva with blood or semen from the same person. Rapid development and reliability of DNA technology contribute to the fact that the analysis of polymorphic DNA sequences constitutes a very important evidence used in the court. The unique properties of DNA and rapid development of DNA analytical devices allow to claim that DNA may assume a more important position amongst biometric data in the future.
Źródło:
Journal of Telecommunications and Information Technology; 2015, 2; 11-17
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic characterization and analysis of the population of selected Sarawak rice cultivars using simple sequence repeat markers
Autorzy:
Razak, S.A.
Saidon, S.A.
Yusof, M.F.M.
Ismail, S.N.
Powiązania:
https://bibliotekanauki.pl/articles/79865.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
genetic characteristics
population analysis
genetic marker
SSR marker
rice cultivar
Sarawak cultivar
genetic similarity
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2018, 99, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular genetic diagnosis of the 1.5 Mb deletion causing hereditary neuropathy with liability to pressure palsies [HNPP] in a Polish family
Autorzy:
Kochanski, A M
Lofgren, A.
Timmerman, V.
Jedrzejowska, H.
Fidzianska, A.
Latos-Bielenska, A.
Van Broeckhoven, C.
Hausmanowa-Petrusewicz, I.
Powiązania:
https://bibliotekanauki.pl/articles/2043637.pdf
Data publikacji:
1999
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
deletion
molecular genetic diagnosis
Polska
genetic analysis
family
hereditary nauropathy
Źródło:
Journal of Applied Genetics; 1999, 40, 3; 249-255
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Embryonic Architecture with Built-in Self-test and GA Evolved Configuration Data
Autorzy:
Malhotra, Gayatri
Duraiswamy, Punithavathi
Kishore, J.K.
Powiązania:
https://bibliotekanauki.pl/articles/27311869.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
embryonic
BIST
Self-test
Genetic Algorithm
Cartesian Genetic Programming
Opis:
The embryonic architecture, which draws inspiration from the biological process of ontogeny, has built-in mechanisms for self-repair. The entire genome is stored in the embryonic cells, allowing the data to be replicated in healthy cells in the event of a single cell failure in the embryonic fabric. A specially designed genetic algorithm (GA) is used to evolve the configuration information for embryonic cells. Any failed embryonic cell must be indicated via the proposed Built-in Selftest (BIST) the module of the embryonic fabric. This paper recommends an effective centralized BIST design for a novel embryonic fabric. Every embryonic cell is scanned by the proposed BIST in case the self-test mode is activated. The centralized BIST design uses less hardware than if it were integrated into each embryonic cell. To reduce the size of the data, the genome or configuration data of each embryonic cell is decoded using Cartesian Genetic Programming (CGP). The GA is tested for the 1-bit adder and 2-bit comparator circuits that are implemented in the embryonic cell. Fault detection is possible at every function of the cell due to the BIST module’s design. The CGP format can also offer gate-level fault detection. Customized GA and BIST are combined with the novel embryonic architecture. In the embryonic cell, self-repair is accomplished via data scrubbing for transient errors.
Źródło:
International Journal of Electronics and Telecommunications; 2023, 69, 2; 211--217
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of a reactive fuzzy logic controller for a mobile robot using evolutionary algorithms
Autorzy:
Meléndez, A.
Castillo, O.
Alanis, A.
Powiązania:
https://bibliotekanauki.pl/articles/385141.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
fuzzy control
genetic optimization
genetic fuzzy systems
robotic systems
Opis:
This paper describes an evolutionary algorithm application for the optimization of a reactive fuzzy controller applied to mobile robot navigation. The evolutionary algorithm optimizes the fuzzy inference system and the position and number of the sensors on the robot, while trying to use the less power possible.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2010, 4, 4; 74-77
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
GPFIS - control : a genetic fuzzy system for control tasks
Autorzy:
Koshiyama, A. S.
Vellasco, M. M. B. R.
Tanscheit, R.
Powiązania:
https://bibliotekanauki.pl/articles/91648.pdf
Data publikacji:
2014
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
genetic fuzzy controler
GFC
genetic programming fuzzy inference system for control
GPFISControl
multigene genetic programming
inverted pendulum
Opis:
This work presents a Genetic Fuzzy Controller (GFC), called Genetic Programming Fuzzy Inference System for Control tasks (GPFISControl). It is based on MultiGene Genetic Programming, a variant of canonical Genetic Programming. The main characteristics and concepts of this approach are described, as well as its distinctions from other GFCs. Two benchmarks application of GPFISControl are considered: the CartCentering Problem and the Inverted Pendulum. In both cases results demonstrate the superiority and potentialities of GPFISControl in relation to other GFCs found in the literature.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2014, 4, 3; 167-179
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
RAPD-based assessment of genetic similarity and distance between Lupinus species in section Albus
Autorzy:
Przyborowski, J A
Weeden, N.F.
Powiązania:
https://bibliotekanauki.pl/articles/2048332.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
distance
Albus
Lupinus
genetic distance
lupin
taxonomy
plant breeding
genetic similarity
Źródło:
Journal of Applied Genetics; 2001, 42, 4; 425-433
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 1238

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