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Wyświetlanie 1-15 z 112
Tytuł:
Singlet oxygen discovery
Autorzy:
Ciesielka, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2040528.pdf
Data publikacji:
2021-12-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
discovery
history
singlet oxygen
Opis:
Introduction. Singlet oxygen is perfectly suited to interact with biological macromolecules and cellular composition. Aim. The goal was to present an information about singlet oxygen discovery. Material and methods. In this article a narrative review regarding singlet oxygen discovery. Analysis of the literature. The desire to summarize information about generation and basic application of singlet oxygen is presented. Conclusion. The history of singlet oxygen is well documented in literature.
Źródło:
European Journal of Clinical and Experimental Medicine; 2021, 4; 318-321
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of Mobile Technologies to Promote Scientific Discovery Learning in Elementary School
Autorzy:
Lee, June
Koo, Yangmi
Kim, Yong-Lyun
Powiązania:
https://bibliotekanauki.pl/articles/26184010.pdf
Data publikacji:
2013-06-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
mobile technology
discovery learning
Smart Science
Opis:
The purpose of the study was to identify educational effects of a new learning method that integrates mobile-technology-based science learning with activity oriented discovery learning. The major finding of the study was that the mobile technology-based Science program enabled students to learn scientific knowledge through associated activities and creatively apply their knowledge to complete the mission of the learning. Also, the study found that the use of tablet PCs and SNS for scientific inquiry activities facilitated students to learn in fun ways, to collaborate with other students, and to share what they have learned with each other.
Źródło:
The New Educational Review; 2013, 32; 264-274
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Searching and Reasoning with Distributed Resources in Computational Intelligence and Machine
Autorzy:
Wojtusiak, J
Chorowski, J
Pietrzykowski, J.
Zurada, J. M.
Powiązania:
https://bibliotekanauki.pl/articles/108650.pdf
Data publikacji:
2009
Wydawca:
Społeczna Akademia Nauk w Łodzi
Tematy:
virtual organization
resource
discovery
categorization
sharing
Opis:
Virtual organizations (VO) are geographically distributed groups of people sharing common goals and willingness to collaborate. One of the important roles of virtual organizations is to facilitate sharing resources related to the area of collaboration. This paper presents an approach to handling resources in Computational Intelligence and Machine Learning distributed over a large number of sites. Resources are first discovered in the internet, evaluated, and then shared among users. Reasoning and adaptation methods can then be applied to best fit resources into users’ needs without a long search process.
Źródło:
Journal of Applied Computer Science Methods; 2009, 1 No. 2; 5-19
1689-9636
Pojawia się w:
Journal of Applied Computer Science Methods
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Knowledge mining from data: methodological problems and directions for development
Autorzy:
Kulikowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/1934003.pdf
Data publikacji:
2011
Wydawca:
Politechnika Gdańska
Tematy:
data mining
knowledge discovery
data quality
CODATA
Opis:
The development of knowledge engineering and, within its framework, of data mining or knowledge mining from data should result in the characteristics or descriptions of objects, events, processes and/or rules governing them, which should satisfy certain quality criteria: credibility, accuracy, verifiability, topicality, mutual logical consistency, usefulness, etc. Choosing suitable mathematical models of knowledge mining from data ensures satisfying only some of the above criteria. This paper presents, also in the context of the aims of The Committee on Data for Science and Technology (CODATA), more general aspects of knowledge mining and popularization, which require applying the rules that enable or facilitate controlling the quality of data.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2011, 15, 2; 227-233
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wino w „Dionysiaka” Nonnosa w księgach 1.1-12.138
Wine in the 1.1 – 12.138 Dionysiaka of Nonnus
Autorzy:
Lasek, Anna Maria
Powiązania:
https://bibliotekanauki.pl/articles/1046661.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Nonnos
wine
discovery of wine
Dionysiaka
Ampelos
Opis:
In this article the author presents the references and allusions to wine in the 1.1 – 12.138 Dionysiaka of Nonnus.The analysis of the passages excerpted from the Dionysiaka shows that wine is present in Nonnos’ epos beforeits discovering in book 12. The presence of wine in the first 12 book of Dionysiaka has great significance forthe composition and unity of Nonnus’ poem as based on the principle of variety. The analysis of the passagesexcerpted from the Dionysiaka shows that references to wine present in Nonnos’ epos precede the story of itsdiscovery in book 12. The occurence of references and allusions to wine in the first 12 books of Dionysiakahas an important significance for the composition and unity of Nonnus’ poem based on the principle of variety.
Źródło:
Symbolae Philologorum Posnaniensium Graecae et Latinae; 2016, 26, 2; 71-91
0302-7384
Pojawia się w:
Symbolae Philologorum Posnaniensium Graecae et Latinae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Documents Processing in the Requirements Management System
Autorzy:
Wydra, T.
Grzanek, K.
Powiązania:
https://bibliotekanauki.pl/articles/972911.pdf
Data publikacji:
2013
Wydawca:
Społeczna Akademia Nauk w Łodzi
Tematy:
requirements management
knowledge discovery
documents processing
PDF
Opis:
Requirements analysis is a highly critical step in software life-cycle. Our solution to the problem of managing requirements is an embedded domainspecific language with Clojure playing the role of the host language. The requirements are placed directly in the source code, but there is an impedance mismatch between the compilation units and electronic documents, that are the major carriers of requirements information. This paper presents a coverage for this problem.
Źródło:
Journal of Applied Computer Science Methods; 2013, 5 No. 1; 59-68
1689-9636
Pojawia się w:
Journal of Applied Computer Science Methods
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Extracting process-related information from ERP systems for process discovery
Autorzy:
Fliegner, W.
Powiązania:
https://bibliotekanauki.pl/articles/409484.pdf
Data publikacji:
2014
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
process discovery
business process management
ERP systems
Opis:
This paper discusses various aspects that should be considered when defining and executing extraction process-related information from the source data (ERP system) to an event log. This includes trace and event selection, as well as important project decisions that should be made beforehand. The basic idea of a proposed approach is demonstrated by performing a case study which is related to a standard sales order processing, that is, business process from sales quotation through sales order and delivery to invoicing. For this processes we showed the characteristics of the event logs, and the models we can discover.
Źródło:
Research in Logistics & Production; 2014, 4, 4; 315-329
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Soft computing tools for virtual drug discovery
Autorzy:
Hagan, D.
Hagan, M.
Powiązania:
https://bibliotekanauki.pl/articles/91628.pdf
Data publikacji:
2018
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
drug discovery
virtual screening
multilayer network
SOM
Opis:
In this paper, we describe how several soft computing tools can be used to assist in high throughput screening of potential drug candidates. Individual small molecules (ligands) are assessed for their potential to bind to specific proteins (receptors). Committees of multilayer networks are used to classify protein-ligand complexes as good binders or bad binders, based on selected chemical descriptors. The novel aspects of this paper include the use of statistical analyses on the weights of single layer networks to select the appropriate descriptors, the use of Monte Carlo cross-validation to provide confidence measures of network performance (and also to identify problems in the data), the addition of new chemical descriptors to improve network accuracy, and the use of Self Organizing Maps to analyze the performance of the trained network and identify anomalies. We demonstrate the procedures on a large practical data set, and use them to discover a promising characteristic of the data. We also perform virtual screenings with the trained networks on a number of benchmark sets and analyze the results.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2018, 8, 3; 173-189
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simultaneous testing procedures of many null hypotheses and their applications in the DNA microarrays analysis
Autorzy:
Dudziński, Marcin
Furmańczyk, Konrad
Powiązania:
https://bibliotekanauki.pl/articles/748330.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Multiple hypothesis testing procedures, Familywise error rate, False discovery proportion, False discovery rate, p-values, q-values, DNA microarrays
Opis:
W naszej pracy rozważamy różne podejścia do problematyki jednoczesnego testowania wielu hipotez zerowych. W tym kontekście omawiamy procedury testowania typu single-step, step-down i step-up. W szczególności, przedstawiamy własności i zastosowania takich miar błędów testowania, jak: FWER, k-FWER, FDP, FDR, pFDR. Wspomniane procedury testowania są intensywnie wykorzystywane w analizie mikromacierzy DNA, która to analiza umożliwia monitorowanie poziomów ekspresji wielu genów jednocześnie oraz znajduje ostatnio szerokie zastosowania w diagnostyce, leczeniu i badaniach medycznych.
In our paper, we consider different approaches to the problem of simultaneous testing of many null hypotheses. In this context, we discuss the single-step, the step-down and the step-up procedures of multiple testing. In particular, we are concerned with their properties and applications in the control of the error rates, such as:FW ER, k-FWER, FDP, FDR, pFDR. The mentioned procedures are intensively used in the DNA microarrays analysis, which enables the monitoring of expression levels of many genes simultaneously and is widely applied in recent medical diagnostics, treatment and research.
Źródło:
Mathematica Applicanda; 2007, 35, 49/08
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methodologies of knowledge discovery from data and data mining methods in mechanical engineering
Autorzy:
Rogalewicz, M.
Sika, R.
Powiązania:
https://bibliotekanauki.pl/articles/407431.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
knowledge discovery
data mining methods
data mining methodology
Opis:
The paper contains a review of methodologies of a process of knowledge discovery from data and methods of data exploration (Data Mining), which are the most frequently used in mechanical engineering. The methodologies contain various scenarios of data exploring, while DM methods are used in their scope. The paper shows premises for use of DM methods in industry, as well as their advantages and disadvantages. Development of methodologies of knowledge discovery from data is also presented, along with a classification of the most widespread Data Mining methods, divided by type of realized tasks. The paper is summarized by presentation of selected Data Mining applications in mechanical engineering.
Źródło:
Management and Production Engineering Review; 2016, 7, 4; 97-108
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On knowledge discovery and representations of molecular structures using topological indices
Autorzy:
Alsaadi, Fawaz E.
Bokhary, Syed Ahtsham Ul Haq
Shah, Aqsa
Ali, Usman
Cao, Jinde
Alassafi, Madini Obad
Rehman, Masood Ur
Rahman, Jamshaid Ul
Powiązania:
https://bibliotekanauki.pl/articles/2031152.pdf
Data publikacji:
2021
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
graph network
sheet
topological index
cheminformatics
knowledge discovery
Opis:
The main purpose of a topological index is to encode a chemical structure by a number. A topological index is a graph invariant, which decribes the topology of the graph and remains constant under a graph automorphism. Topological indices play a wide role in the study of QSAR (quantitative structure-activity relationship) and QSPR (quantitative structure-property relationship). Topological indices are implemented to judge the bioactivity of chemical compounds. In this article, we compute the ABC (atom-bond connectivity); ABC4 (fourth version of ABC), GA(geometric arithmetic) and GA5(fifth version of GA) indices of some networks sheet. These networks include: octonano window sheet; equilateral triangular tetra sheet; rectangular sheet; and rectangular tetra sheet networks.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2021, 11, 1; 21-32
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Blaski i cienie sukcesu, czyli o życiu Jana Wyżykowskiego i odkryciu „wielkiej miedzi”
The splendors and shadows which is about the life of Jan Wyżykowski (1917–1976) and the discovery of th“greatcopper” in Poland
Autorzy:
Wołkowicz, K.
Graniczny, M.
Wołkowicz, S.
Urban, H.
Powiązania:
https://bibliotekanauki.pl/articles/2075741.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Wyżykowski Jan
Polska miedź
odkrycie
Polish great copper
discovery
Opis:
After World War II, Jan Wyżykowski studied at the Faculty of Mining University in Kraków. In 1946-1948, he held summer practices in mines and at the Polish Geological Institute (PGI), which allowed him to explore the ore deposits in Lower Silesia. On January 1951, he was transferred to the PGI, where all works related to the issues of the ore exploration were gradually taken over by the Ore Department based in Kraków. In the early 1950’s, a research program for copper exploration began to crystallize in the area located north of the Old Copper Basin and north of Wroclaw. Such program was postulated by two heads of the Ore Department, R. Krajewski and A. Graniczny. A seismic profile was acquired along the Boleslawiec-Glogów line to determine the extent of the Zechstein Kupeferschiefer formation in the Fore-Sudetic area. Wyżykowski was a planner ofthe drillings along this profile. Thefirst three boreholes did not indicate the possibility of success. What is more, Wyżykowski’s research was illegal, because he drilled to a depth of 700 metres, which was about 300 metres deeper than allowed. The thesis offutility of exploration in this area started to dominate. Despite all these adversities, Wyżykowski stubbornly strove to achieve the goal. A team led by him came across economic copper ore deposits on 23 March, 1957. In the Sieroszowice IG 1 borehole, at a depth of650 m, copper mineralization of 1.4% was found in marls. The presence of rich copper mineralization was confirmed also in a nearby borehole drilled in Lubin, S-19. The history of the "great Polish copper has started”.
Źródło:
Przegląd Geologiczny; 2017, 65, 5; 304--311
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rule based networks : an efficient and interpretable representation of computational models
Autorzy:
Liu, H.
Gegov, A.
Cocea, M.
Powiązania:
https://bibliotekanauki.pl/articles/91698.pdf
Data publikacji:
2017
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
rule based networks
knowledge discovery
predictive modelling
rule representation
Opis:
Due to the vast and rapid increase in the size of data, data mining has been an increasingly important tool for the purpose of knowledge discovery to prevent the presence of rich data but poor knowledge. In this context, machine learning can be seen as a powerful approach to achieve intelligent data mining. In practice, machine learning is also an intelligent approach for predictive modelling. Rule learning methods, a special type of machine learning methods, can be used to build a rule based system as a special type of expert systems for both knowledge discovery and predictive modelling. A rule based system may be represented through different structures. The techniques for representing rules are known as rule representation, which is significant for knowledge discovery in relation to the interpretability of the model, as well as for predictive modelling with regard to efficiency in predicting unseen instances. This paper justifies the significance of rule representation and presents several existing representation techniques. Two types of novel networked topologies for rule representation are developed against existing techniques. This paper also includes complexity analysis of the networked topologies in order to show their advantages comparing with the existing techniques in terms of model interpretability and computational efficiency.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2017, 7, 2; 111-123
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Comprehensive Survey on Resource Management in Internet of Things
Autorzy:
Bhajantri, Lokesh B.
S., Gangadharaiah
Powiązania:
https://bibliotekanauki.pl/articles/1839312.pdf
Data publikacji:
2020
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
Internet of Things
resource allocation
resource discovery
resource management
Opis:
Efficient resource management is a challenging task in distributed systems, such as the Internet of Things, fog, edge, and cloud computing. In this work, we present a broad overview of the Internet of Things ecosystem and of the challenges related to managing its resources. We also investigate the need for efficient resource management and the guidelines given/suggested by Standard Development Organizations. Additionally, this paper contains a comprehensive survey of the individual phases of resource management processes, focusing on resource modeling, resource discovery, resource estimation, and resource allocation approaches based on performance parameters or metrics, as well as on architecture types. This paper presents also the architecture of a generic resource management enabler. Furthermore, we present open issues concerning resource management, pointing out the directions of future research related to the Internet of Things.
Źródło:
Journal of Telecommunications and Information Technology; 2020, 4; 27-43
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
UPnP-based discovery and management of hypervisors and virtual machines
Wyszukiwanie zarządców wirtualizacji i maszyn wirtualnych oraz zarządzanie nimi za pomocą UPnP
Autorzy:
Zieliński, S.
Handzlik, T.
Lewicki, T.
Powiązania:
https://bibliotekanauki.pl/articles/305405.pdf
Data publikacji:
2011
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
zarządzanie
maszyna wirtualna
UPnP
discovery
management
hypervisor
virtual machine
Opis:
The paper introduces a Universal Plug and Play based discovery and management toolkit that facilitates collaboration between cloud infrastructure providers and users. The presented tools construct a unified hierarchy of devices and their management-related services, that represents the current deployment of users' (virtual) infrastructures in the provider's (physical) infrastructure as well as the management interfaces of respective devices. The hierarchy can be used to enhance the capabilities ofthe provider's infrastructure management system. To maintain user independence, the set of management operations exposed by a particular device is always defined by the device owner (either the provider or user).
Artykuł opisuje zestaw narzędzi opartych na technologii Universal Plug and Play, wspomagających współpracę pomiędzy użytkownikami i dostawcą usług w zakresie wykrywania zarządców wirtualizacji (ang. hypervisor) i maszyn wirtualnych oraz zarządzania nimi. Prezentowane narzędzia konstruują spójną, hierarchiczną reprezentację rozmieszczenia maszyn wirtualnych w infrastrukturze fizycznej, zawierającą opisy fizycznych i wirtualnych urządzeń oraz usług służących do zarządzania nimi. Struktura ta może być wykorzystana przez dostawcę usług np. w celu optymalizacji wykorzystania posiadanych mocy obliczeniowych. W celu zachowania niezależności pomiędzy użytkownikami i dostawcami infrastruktury przyjęto założenie, że zbiór usług oferowanych przez poszczególne urządzenia jest określany przez jego posiadacza.
Źródło:
Computer Science; 2011, 12; 137-148
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 112

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