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    Wyświetlanie 1-5 z 5
    Tytuł:
    Social media in small and medium enterprises
    Media społecznościowe w małych i średnich przedsiębiorstwach
    Autorzy:
    Pólkowski, Z.
    Dutta, N.
    Son, M.
    Niculcea, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1203876.pdf
    Data publikacji:
    2018
    Wydawca:
    Uczelnia Jana Wyżykowskiego
    Tematy:
    SMEs
    social media
    innovation
    online marketing
    corporate communication
    MŚP
    media społecznościowe
    innowacje
    marketing internetowy
    komunikacja korporacyjna
    Opis:
    The paper concerns the issue of using social media in small and medium sized enterprises. Many authors argue that there is a unique relationship between the social media and SMEs in the economic sphere. The social media uniquely impact the market in the marketing platform to increase sales, reduce costs and increase profitability. Also, social media enable the direct communication with clients and its adoption by firms has generally increased over time. However, little is known about how small firms use these digital technologies. Furthermore, there are not many publications about the methods of implementation of social media in small companies. Therefore, the study carried out in this research has developed a conceptual framework of implementing Social Media in small businesses. Moreover, readers can find information on the benefits of using these tools and some recommendations for effective implementation to improve business.
    Artykuł dotyczy zagadnienia wykorzystania mediów społecznościowych w małych i średnich przedsiębiorstwach. Wielu autorów twierdzi, że istnieje ścisły związek między mediami społecznościowymi a MŚP w sferze gospodarczej. Media społecznościowe mają wyjątkowy wpływ na rynek w platformie marketingowej- zwiększają sprzedaż, obniżają koszty i polepszają rentowność. Ponadto media społecznościowe umożliwiają bezpośrednią komunikację z klientami. Jednak niewiele wiadomo o tym, jak małe firmy korzystają z tych technologii cyfrowych. Ponadto nie ma wielu publikacji na temat metod wdrażania mediów społecznościowych w małych firmach. W badaniu przeprowadzonym w ramach tego opracowania zaproponowano sposoby wdrażania mediów społecznościowych w małych firmach. Co więcej, czytelnicy mogą znaleźć informacje na temat korzyści płynących z używania tych narzędzi oraz zalecenia dotyczące skutecznej implementacji w celu usprawnienia działalności biznesu.
    Źródło:
    Zeszyty Naukowe Uczelni Jana Wyżykowskiego. Studia z Nauk Technicznych; 2018, 7; 61-73
    2543-6740
    Pojawia się w:
    Zeszyty Naukowe Uczelni Jana Wyżykowskiego. Studia z Nauk Technicznych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Designing Vision Based Autonomous Docile-X Mobile Robot for Real-time Application to Soccer Behaviors
    Autorzy:
    Dutta, V.
    Kesswani, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/385119.pdf
    Data publikacji:
    2014
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    autonomous soccer robot
    control structure
    image processing
    decision behaviors
    Kalman filter
    Opis:
    This paper aims at developing a real-time, robust, and reliable behaviors for an omnidirectional soccer robot, can be used in crowded dynamically-changing environments. The soccer robot system consists of highly coordinated operations and movements so as to fulfill specific objectives, even under unfavorable situations. The associated issues are position control, velocity control and sensing information in addition to the need for imitating the human-like decision. The proposed method considers not only the kinematics of the robot but also its dynamics. Moreover, a control structure is designed and several behaviors for a soccer robot are proposed. Image processing, recognition and target following algorithm are illustrated through experiments.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2014, 8, 4; 40-50
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prediction of bearing capacity of H shaped skirted footings on sand using soft computing techniques
    Autorzy:
    Gnananandarao, -
    Khatri, V. N.
    Dutta, R. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1818514.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    bearing capacity ratio
    sand
    artificial neural networks
    M5P model tree
    regular plan shaped skirted footings
    H plan shaped skirted footings
    współczynnik nośności
    piasek
    sztuczne sieci neuronowe
    drzewo modelu M5P
    Opis:
    Purpose: The present study aims to apply soft computing techniques, Artificial Neural Network (ANN) and M5P model tree, to predict the ultimate bearing capacity of the H plan shaped skirted footing on the sand Design/methodology/approach: A total of 162 laboratory test data for the regular plan shaped (square, circular, rectangular, and strip (up to L/B = 2.5) skirted footing were collected from the literature to develop the soft computing-based models. These models were later modified for the H Plan shaped skirted footing with the introduction of the multiplication factor. The input variables chosen for the regular plan shaped footings were skirt depth to width of the footing ratio (Ds/B), friction angle of the sand (o), the ratio of the interface friction angle-to-friction angle of sand (5/o), and length-to-width (L/B) ratio of the footing. The output is the bearing capacity ratio (BCR, a ratio of the bearing capacity of the skirted footing to the bearing capacity of un-skirted footing). Findings: Sensitivity analysis was carried out to see the impact of the individual variable on the BCR). The sensitivity results reveal that the skirt depth to width of the footing ratio is the primary variable affecting the BCR. Finally, the performance of the developed soft computing models was assessed using six statistical parameters. The results from the statistical parameters reveal that model developed using ANN was performing superior to the one prepared using M5P model tree technique for the prediction of the ultimate bearing capacity of H plan shaped skirted footing on sand. Research limitations/implications: The model equations are developed with experimental laboratory data. Hence, these equations need further improvement by using field data. However, until now there no field data have been available to include in the present data set. Practical implications: These proposed model equations can be used to predict the bearing capacity of the H-shaped footing with the help of Ds/B, o, S/o and L/B without performing the laboratory experiments. Originality/value: There is no such model equation that was developed so far for the H-shaped skirted footings. Hence, an attempt was made in this article to predict the bearing capacity of the H-shaped footing by using available experimental data with the help of soft computing techniques.
    Źródło:
    Archives of Materials Science and Engineering; 2020, 103, 2; 62--74
    1897-2764
    Pojawia się w:
    Archives of Materials Science and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of seepage on change in stress distribution scenario in static and seismic behaviour of earthen dams
    Autorzy:
    Nandi, N.
    Roychowdhury, A.
    Dutta, S. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/266112.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    obciążenie harmoniczne
    analiza elementów skończonych
    kombinacja kwadratowa
    complete quadratic combination method
    harmonic load
    finite element analysis
    Opis:
    The present study makes an effort to understand the damage of earthen dams under static and seismic loading condition. To make the investigation more realistic, behaviour of earthen dams considering the occurrence of a phreatic line indicating the submerged zone due to seepage within the dam body is considered. In case of earthen dams, homogeneous or nonhomogeneous, the consideration of the occurrence of a phreatic line or seepage line through the dam body is an important part of the earthen dam design methodology. The impervious material properties in the submerged zone below the phreatic line due to seepage may differ a lot in magnitudes as compared to the value of the same materials lying above this line. Hence, to have the exact stress distribution scenarios within the earthen dam, the different material properties above and below the phreatic line are considered in this present study. The study is first carried out by two-dimensional as well as three-dimensional finite element analysis under static loading condition. The work is further extended to observe the effect of seepage due to the consideration of the phreatic line on dynamic characteristics of earthen dams. Free vibration analysis and seismic analysis based on the Complete Quadratic Combination (CQC) method by considering twodimensional and three-dimensional modeling are carried out to present the frequencies, mode shapes and the stress distribution pattern of the earthen dam.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2018, 23, 1; 121-136
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dosage and temporal dependent arsenic-induced mortality in Ceriodaphnia dubia: An effective biomarker for arsenic pollution
    Autorzy:
    Talapatra, S.N.
    Bhattacharya, S.
    Guha, G.
    Dutta, S.
    Chattopadhyay, D.
    Mukhopadhyay, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/11321.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    dosage
    arsenic
    mortality
    Ceriodaphnia dubia
    biomarker
    metal pollution
    water pollution
    toxicity
    water quality
    water contaminant
    Opis:
    Arsenic (As) is a metalloid that causes severe water pollution due to its extravagant toxicity. Ceriodaphnia dubia, a freshwater crustacean, was selected as a model system to evaluate the degree of time and dosage dependent acute toxicity caused by pentavalent As [As(V)]. C. dubia were collected from a natural pond and treated with different concentrations of As(V) for 24 hours and 48 hours. For both 24 hours and 48 hours treatment periods, the mortality rates were increased significantly ( P< 0.05) with increase in As(V) concentrations. Simultaneously, it was also observed that As(V) - induced mortality in C. dubia also depended on the time of exposure to the metalloid. We propose this model as a low-cost technique towards rapid screening of water quality in relation to As contamination.
    Źródło:
    International Letters of Natural Sciences; 2014, 02
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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