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Wyświetlanie 1-15 z 121
Tytuł:
Identifying important skills set to support reporting and analyzing in project management
Autorzy:
Zdonek, Iwona
Powiązania:
https://bibliotekanauki.pl/articles/1844807.pdf
Data publikacji:
2020
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
business intelligence
BI tools
BI skills
Business Intelligence
narzędzia BI
umiejętności BI
Opis:
Purpose: The article presents the results of qualitative research related to identifying the set of skills needed in project management business analysis. Design/methodology/approach: To recognize the set of skills, it was important to focus on three pivotal issues, starting with specifying which layers of business analysis in project management can be extracted, then answering the question of which IT tools are to be used in this analysis as well, and which skills are needed to perform in it. The main research method was participation observation by way of the author’s involvement in a project management team. Findings: The following layers of business analysis in project management were established: 1) data management, 2) intelligent calculations, 3) delivery mode, 4) consumption device, 5) business enablement. The most important skills are as follows: joining disparate data sources, cleaning data, organizing data better, creating calculations, adjusting visualizations to the tools used by end-users to consume visualizations. MS Excel and MS Access were found to be valuable tools used in this analysis. Originality/value: New in the paper is an examination of the set of skills needed in the project management business analysis in the context of applying MS Excel and MS Access.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2020, 143; 319-328
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
bi-BL-algebra
Autorzy:
Abbasloo, Mahdeieh
Saeid, Arsham
Powiązania:
https://bibliotekanauki.pl/articles/728950.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
bi-BL-algebra
bi-filter
bi-deductive system
bi-Boolean elements of a bi-BL-algebra
Opis:
In this paper, we introduce the notion of a bi-BL-algebra, bi-filter, bi-deductive system and bi-Boolean elements of a bi-BL-algebra and deal with bi-filters in bi-BL-algebra. We study this structure and construct the quotient of bi-BL-algebra. Also present a classification for examples of proper bi-BL-algebras.
Źródło:
Discussiones Mathematicae - General Algebra and Applications; 2011, 31, 2; 231-260
1509-9415
Pojawia się w:
Discussiones Mathematicae - General Algebra and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimate for initial MacLaurin coefficients of certain subclasses of bi-univalent functions of complex order associated with the Hohlov operator
Autorzy:
Murugusundaramoorthy, Gangadharan
Bulboaca, Teodor
Powiązania:
https://bibliotekanauki.pl/articles/744620.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
analytic functions
univalent functions
bi-univalent functions
bi-starlike and bi-convex functions
Hohlov operator
Gaussian hypergeometric function
Dziok-Srivastava operator
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica; 2018, 17
2300-133X
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bi-Bazilevič functions of complex order involving Ruscheweyh type q-difference operator
Autorzy:
Murugusundaramoorthy, Gangadharan
Bulut, Serap
Powiązania:
https://bibliotekanauki.pl/articles/744648.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
Univalent function
Bi-Starlike function
Bi-Convex function
Hadamard product
q-derivative operator
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica; 2018, 17
2300-133X
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal, Structural and Electrical Properties of Some Bi-Cu-Ni Alloys
Struktura, właściwości termiczne i elektryczne wybranych stopów Bi-Cu-Ni
Autorzy:
Marković, B.
Živković, D.
Manasijeyić, D.
Sokić, M.
Minić, D.
Talijan, N.
Stajić-Trošić, J.
Powiązania:
https://bibliotekanauki.pl/articles/353349.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Bi-Cu-Ni alloys
lead-free solders
characterization
stopy Bi-Cu-Ni
luty bezołowiowe
charakterystyka
Opis:
The Bi-Cu-Ni ternary system belongs to the group of potential Cu-Ni-based advanced lead-free solder materials for high temperature application. In this study microstructure investigation of the slow-cooled Bi-Cu-Ni samples was done using SEM-EDS analysis. The samples compositions were chosen along three cross-sections with molar ratio Cu:Ni=1:3, 1:1 and 3:1. The experimentally obtained phase structure was compared with the results of thermodynamic calculation according to CALPHAD method. Also, new results regarding thermal and electrical properties investigations of these alloys are presented in this paper, based on DSC and electroconductivity measurements.
Trójskładnikowe stopy Bi-Cu-Ni należą do grupy potencjalnych zaawansowanych bezołowiowych materiałów do lutowania w wysokiej temperaturze opartych na stopach Cu-Ni. Analizę mikrostruktury wolno schłodzonych próbek Bi-Cu-Ni wykonano za pomocą technik SEM-EDS. Do badań wybrano próbki charakteryzujące się stałym molowym stosunkiem Cu:Ni=1:3, 1:1 i 3:1. Doświadczalnie otrzymaną strukturę faz porównano z wynikami obliczeń termodynamicznych metodą CALPHAD. Ponadto, nowe wyniki dotyczące badań właściwości cieplnych i elektrycznych stopów zostały przedstawione w tym artykule, na podstawie pomiarów DSC i przewodności elektrycznej.
Źródło:
Archives of Metallurgy and Materials; 2014, 59, 1; 117-120
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Non-Wave Variations in Temperature Caused by Sound in a Chemically Reacting Gas
Autorzy:
Perelomova, A.
Pelc-Garska, W.
Powiązania:
https://bibliotekanauki.pl/articles/1493610.pdf
Data publikacji:
2011-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.25.-x
43.20.Bi
Opis:
A weakly nonlinear generation of non-acoustic modes in the field of sound in a gas is considered. An exoteric chemical reaction of A → B type, which takes place in a gas, may be reversible or not. Two types of sound are considered, low-frequency and high-frequency as compared with the characteristic time of a chemical reaction. For both these cases, the governing equations of non-acoustic modes are derived and conclusions of the efficiency of their nonlinear generation by sound are made. The character of nonlinear generation of non-acoustic modes by sound depends essentially on reversibility of a chemical reaction.
Źródło:
Acta Physica Polonica A; 2011, 120, 3; 455-461
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
X-Ray Structure Perfection Diagnostics of Slightly Distorted Silicon Crystals in the Bragg Case of Diffraction
Autorzy:
Khrupa, V.
Krasulya, S.
Machulin, V.
Datsenko, L.
Auleytner, J.
Powiązania:
https://bibliotekanauki.pl/articles/1964151.pdf
Data publikacji:
1997-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.66.Bi
81.40.-z
Opis:
A new approach to structure perfection diagnostics of dislocation-free silicon crystals has been developed using the Bragg case of diffraction. The approach is being based on successive measurements of integral reflectivity and the spatial intensity distribution of reflected beam on the same diffraction planes of a real crystal by means of a single crystal diffractometer.
Źródło:
Acta Physica Polonica A; 1997, 91, 5; 981-985
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of business intelligence methods for analyzing a loan dataset
Autorzy:
Vasiliev, Julian
Stoyanova, Miglena
Stancheva, Emiliya
Powiązania:
https://bibliotekanauki.pl/articles/432251.pdf
Data publikacji:
2018
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
Alyuda Neurointelligence
MS Power BI
PSPP
Opis:
The application of business intelligence methods is usually oriented on a specific type of business. This article is focused on the business intelligence data analysis of a sample loan dataset. There are a lot of well-known methods for analysing loan datasets. The research aim is to find some dependencies in a sample loan dataset which are not visible using techniques like sorting, filtering and pivoting. The following software products are used: Alyuda Neurointelligence and MS Power BI. As a result of the analysis it is proved that the amount of a loan depends mainly on the “born in the region” and “gender” factors. The analysis of the loan dataset in Alyuda Neurointelligence (using Input Importance) shows that the factor “born in the region” is the most important one affecting the amount of a loan. But the input importance shows only the possible strength of the influence of various factors on the amount of the loan and not the direction of their influence. The direction of their influence is found by applying the one-way ANOVA method in PSPP. The analysis of the loan dataset in Power BI shows some interesting dependencies. For debtors born outside the region, the difference in total loan amounts rises to over 4.5 times in favour of men. The average loan amount of debtors who were born outside the region is about 2.5 times greater than the average loan amount of debtors born in the region
Źródło:
Informatyka Ekonomiczna; 2018, 1(47); 97-106
1507-3858
Pojawia się w:
Informatyka Ekonomiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automated measurement of radon daughters Bi-214 and Pb-214 in rainwater
Autorzy:
Cortés, G.
Sempau, J.
Ortega, X.
Powiązania:
https://bibliotekanauki.pl/articles/148065.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
Bi-214
Pb-214
radon
rainwater
Opis:
Since March 1994, the Institut de Tecniques Energetiques (INTE) of the Universitat Politecnica de Catalunya (UPC), has been measuring environmental gamma dose rate and the airborne radon concentration levels outdoors, at the ESCRA Station, which is located in Barcelona. ESCRA simultaneously measures several meteorological parameters as well. As it is well known, the gamma dose rate suffers noticeable increments during rain intervals, which in our case range from 10% up to 40%, mainly caused by the deposition of the radon daughters 214Bi and 214Pb. These increments do not seem to be correlated with rainrate, rain interval duration, precipitation volume, or other meteorological parameters. In order to develop models that explain the observed dose enhancement, it is interesting to determine the concentration of the gamma emitters in rainwater and, due to the relative short half life of the two nuclides mentioned above, this must be done as it rains. To this end, we have developed an on-line gamma spectroscopy system for rainwater. The operation of this device, which has been automated by means of a LabView program, consists of the following steps: first, 250 cm3 of water is collected and, if the rainrate is high enough, is transferred to the measurement tank, a Marinelly-like container located underneath a HPGe solid state detector. All the system is surrounded by a lead shield. Preliminary measurements carried out with this device yielded radon daughter concentrations ranging from 50 Bq/l up to 1600 Bq/l.
Źródło:
Nukleonika; 2001, 46, 4; 161-164
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Evaluation of Homogeneity and Heterogeneity in Metals Processed by High-Pressure Torsion
Autorzy:
Figueiredo, R.
Kawasaki, M.
Langdon, T.
Powiązania:
https://bibliotekanauki.pl/articles/1418397.pdf
Data publikacji:
2012-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.66.Bi
61.66.Dk
Opis:
Processing through the use of high-pressure torsion is attracting much attention at the present time because of the potential for achieving exceptional grain refinement. In principle, it appears that the thin disks used for high-pressure torsion processing should exhibit significant heterogeneity in the as-processed condition. However, experiments show that the development of homogeneity or heterogeneity is dependent upon the crystalline structure of the material. For high-purity aluminum the as-processed microstructure is very homogeneous after five or more revolutions of torsional straining but for the magnesium AZ31 alloy there is a considerable degree of heterogeneity in the as-processed disks.
Źródło:
Acta Physica Polonica A; 2012, 122, 3; 425-429
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Independent cycles and paths in bipartite balanced graphs
Autorzy:
Orchel, Beata
Wojda, A.
Powiązania:
https://bibliotekanauki.pl/articles/743087.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
bipartite graphs
bi-placing
path
cycle
Opis:
Bipartite graphs G = (L,R;E) and H = (L',R';E') are bi-placeabe if there is a bijection f:L∪R→ L'∪R' such that f(L) = L' and f(u)f(v) ∉ E' for every edge uv ∈ E. We prove that if G and H are two bipartite balanced graphs of order |G| = |H| = 2p ≥ 4 such that the sizes of G and H satisfy ||G|| ≤ 2p-3 and ||H|| ≤ 2p-2, and the maximum degree of H is at most 2, then G and H are bi-placeable, unless G and H is one of easily recognizable couples of graphs. This result implies easily that for integers p and k₁,k₂,...,kₗ such that $k_i ≥ 2$ for i = 1,...,l and k₁ +...+ kₗ ≤ p-1 every bipartite balanced graph G of order 2p and size at least p²-2p+3 contains mutually vertex disjoint cycles $C_{2k₁},...,C_{2kₗ}$, unless $G = K_{3,3} - 3K_{1,1}$.
Źródło:
Discussiones Mathematicae Graph Theory; 2008, 28, 3; 535-549
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Advanced FL Students’ Self-perception of their Language Identity
Autorzy:
Owczarek, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/783189.pdf
Data publikacji:
2015
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
language identity
bi/multilingualism
language competence
Opis:
This article reports the results of a study of self-perception of their language identity by advanced FL students. The aim of the study is to observe what students’ language choices are and what guides them in these choices.  The concepts related to bi/multilingualism are taken into consideration, following Cook’s opinion (1992: 558) that L2 users should be compared to bilinguals rather that monolinguals. The perception of the language self is related to language competence acquired in formal education. The findings will be referred to recent research on language and identity in a foreign language context conducted elsewhere, and  suggestions for further study in the field will be provided.
Źródło:
Theory and Practice of Second Language Acquisition; 2015, 1, 1
2450-5455
2451-2125
Pojawia się w:
Theory and Practice of Second Language Acquisition
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ontology of Data Mining in the Intelligent Dashboard for Managers
Ontologia eksploracji danych w inteligentnym kokpicie dla menedżerów
Autorzy:
Korczak, Jerzy
Heppner, Izabela
Powiązania:
https://bibliotekanauki.pl/articles/588215.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
BI systems
Dashboard for managers
Ontology of data mining
Kokpit menedżerski
Ontologia eksploracji danych
Systemy BI
Opis:
This paper presents the approach to a description of the knowledge of data mining as a module ontology DM in the Intelligent Dashboard for Managers on the example of the implemented system called InKoM. The ground knowledge is focused on selected concepts and associated data mining algorithms . As a result, the system provides the necessary functionalities for managers of small and medium-sized enterprises. The ontology of data mining provides, o especially for inexperienced managers, substantial support in decision making processes and simultaneously improves the quality and effectiveness of knowledge discovery. In this paper, the motivation for the project, the concepts, the process of creating ontology, and particularly the stage of the conceptualization phase are described. The application of the considered InKoM system with implemented ontology of data mining is discussed to demonstrate its permanent usefulness for managers.
W artykule przedstawiono niekonwencjonalne podejście odwzorowania wiedzy z zakresu eksploracji danych (Data Mining) jako modułu ontologii DM w Inteligentnym Kokpicie dla Menedżerów, dalej zwanego system InKoM. Jest to kompleksowe rozwiązanie technologii systemów klasy BI zarówno dla średnich, jak i mikroprzedsiębiorstw. Optymalna selekcja pojęć i algorytmów eksploracji danych w zaimplementowanej ontologii systemu pozwala na poprawną identyfikację wniosków oraz zwiększa możliwości percepcyjne menedżera, zwłaszcza niedoświadczonego. InKoM jest odpowiedzią na zapotrzebowanie kadry kierowniczej na program ekspercki, który umożliwia niezależność i swobodę działania w zakresie zaawansowanych analiz, wspierając jednocześnie procesy decyzyjne oraz poprawiając jakość i skuteczność odkrywania wiedzy. W niniejszej pracy zaprezentowano motywację projektu, koncepcje oraz proces tworzenia ontologii, ze szczególnym uwzględnieniem fazy konceptualizacji. Zastosowanie systemu InKoM dla studium przypadku ma na celu wykazanie efektywności i przydatności modelu decyzyjnego dla menedżera.
Źródło:
Studia Ekonomiczne; 2015, 243; 242-256
2083-8611
Pojawia się w:
Studia Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bi-criteria Gateway Placement Problem in Wireless Sensor Networks
Autorzy:
Czajko, M. M.
Wojciechowski, J. M.
Powiązania:
https://bibliotekanauki.pl/articles/226778.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
wireless sensor network
bi-criteria optimization
heuristics
Opis:
Over the last few years, wireless sensor networks (WSNs) have started to play more and more important role in civil and military applications. A typical sensor network consists of resource-constrained sensing nodes, which monitor environment and send the data to more powerful gateway nodes. The goal of gateway nodes is to aggregate, process and send the data to other gateways or directly to sink nodes. The proper placement of nodes is needed to provide good network operation. Sensing nodes are often placed in a random manner unlike gateways. Gateways, due to their role and cost, are installed rather in a controlled way. In this paper, a bi-criteria gateway placement problem is introduced. The problem is shown to be NP-hard. We formulate it as a linear programming problem, then we develop the Multi-criteria Simulated Allocation (MSAL) heuristic algorithm, for the purpose of cost-effective gateway deployment and power-effective wireless connection management. Finally, we evaluate the efficiency of the algorithm by comparison with the exact method.
Źródło:
International Journal of Electronics and Telecommunications; 2010, 56, 3; 215-221
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Thermo-Bimaterial Effect in Designing of Snap-Fit Joints
Autorzy:
Golewski, P.
Sadowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/351310.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
snap fit joint
numerical simulation
bi-material
Opis:
Snap-fit connections have been used for many years in various fields of technology and everyday objects. They often have complex shapes, which is allowed by the processing technology of the polymers from which they are made, but they are not designed to carry loads. Changing the material to a metal or fiber composite allows these types of joints to be used as replacements for rivets or screws, but there are problems with the closing technique – an increase in closing force due to the large Young’s modulus ofthese materials relative to polymers without reinforcement. One of the methods to solve this problem may be the use of a thermo-bimetallic effect consisting in heating both or one of the connection parts to the appropriate temperature. This kind of treatment results in deflection of the beam of the clip (Fig. 1), followed by assembly with zero force or less in relation to the case without heating.The paper presents the results of numerical simulations for the connection in which the beam of the clip consisted of two materials: (1) a fiber composite designed to carry loads, (2) thin metal layer tied with the composite and designed to create a thermo-bimetallic effect. In the case of this solution, the main parameter is the difference in coefficients of linear thermal expansion of both materials. The paper presents results for two cases of connection work: closing and opening. The calculations were carried out in the Abaqus/Standard solver using thermal-displacement steps.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 3; 1095-1100
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 121

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