179,270 research outputs found

    Hvordan få til sirkulær massehåndtering for bygg- og anleggsprosjekter i Oslo-området?

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    Dette forprosjektet har hatt som formål å identifisere interessante aspekter og problemstillinger knyttet til spørsmålet: Hvordan kan man få til sirkulær massehåndtering til og fra bygg- og anleggsprosjekter i Oslo-området? For å svare på spørsmålet, har vi ved Handelshøyskolen BI gjennomført en casestudie av et konsept for massehåndtering på Grønlia i Oslo havn i regi Skanska Industrial Solutions (SIS) i samarbeid med Oslo Havn KF og AF Decom. Konseptet er fortsatt ikke realisert, og ligger til politisk klagebehandling etter avslag i plan- og bygningsetaten i Oslo kommune, men caset representerer et interessant eksempel på hva som skal til for å utvikle og implementere sirkulære løsninger for massehåndtering. I tillegg til Grønlia-konseptet, er det flere andre pågående initiativer som er satt i gang i løpet av de siste årene med tanke på å håndtere utfordringen med masser i Oslo-området. Dette vitner om at problemstillingen har blitt satt på agendaen, både på politisk- og næringsnivå samt blant ulike interessegrupper. Grønlia-caset må dermed sees på som en del av et større økosystem for massehåndtering i Oslo og omegn.publishedVersionpublishedVersionpublishedVersio

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Optical and electronic properties of bismuth-implanted glasses

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    Photoluminescence (PL) and excitation spectra of Bi melt doped oxide and chalcogenide glasses are very similar, indicating the same Bi center is present. When implanted with Bi, chalcogenide, phosphate and silica glass, and BaF2 crystal all display characteristically different PL spectra to when Bi is incorporated by melt-doping. This indicates that ion implantation is able to generate Bi centers which are not present in samples whose dopants are introduced during melting. Bi-related PL bands have been observed in glasses with very similar compositions to those in which carrier-type reversal has been observed, indicating that these phenomena are related to the same Bi centers, which we suggest are interstitial Bi2+ and Bi clusters

    Bi-Quartic trigonometric patch with multiple shape parameters.

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    (a) Bi-Qaurtic control net, (b) Corresponding four surfaces, (c) Bi-Quartic surface l1 = l2 = −1, (d) Bi-Quartic surface l1 = l2 = 0, (e) Bi-Quartic surface l1 = l2 = 1, (f) Bi-Quartic surface l1 = l2 = 2.</p

    Bi Cu Li to Dr. Hatch

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    Letter from Bi Cu Li to Dr. Hatch, Lucie F. Harrison Hospital: Futsing, China. Bi Cu Li graduated from the Woman's Medical College of Pennsylvania in 1905

    Bi-Quintic trigonometric patch with multiple shape parameters.

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    (a) Bi-Quintic control net, (b) Corresponding four surfaces, (c) Bi-Quintic surface l1 = l2 = −1, (d) Bi-Quintic surface l1 = l2 = 0, (e) Bi-Quintic surface l1 = l2 = 1, (f) Bi-Quintic surface l1 = l2 = 2.</p

    Labour market returns to higher education: An empirical analysis of marginal students Evidence from BI Norwegian Business School

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    Masteroppgave(MSc) in Master of Science in Business, Economics - Handelshøyskolen BI, 2021This thesis targets the returns to higher education in Norway, respectively if a selection of students experienced positive labour market gains from graduating. The selection refers to bachelor students in business-administrative fields at BI Norwegian business school, where comparing students from different parts of the skill-distribution is our main area of study in an attempt to determine who benefits the most from taking an academic degree. Correspondingly, we compare marginal students to non-marginal students; using below or above the threshold of 3.5 in average high school grade points. To conduct the analysis, we merged internal BI student-registers with data from Statistics Norway, providing insight into the students’ actual labour market gains from graduating between the year 2003 and until 2012. We perform a regression analysis controlling for different variables and their individual effect on our key dependent labour market variables; Wage and Employement. In addition, we use an instrumental variable approach to study the effect of the Progression requirement, a measure introduced in 2006, in an attempt to reduce the share of bachelor dropouts. Our main findings point to the fact that completing a bachelor degree at BI has a positive impact on both wage and employment; graduating before the age of 25 increased wages and degree of employment, at age 25, with respectively 62% and 13%, compared to the reference group whom never graduates. Further, when studying the marginal and non-marginal students separately, we found that both groups indeed experience higher wages from graduating. However, there is seemingly evidence of a stronger relationship between graduating on wages for the non-marginal students; graduating before turning 25 led to 68% higher wages at age 25, compared to 49% for the marginal students. Thus, our results do point to a case of positive selection. Finally our IV-estimates, investigating the effect of the Progression requirement, proved that it for a fact increased student quality by resulting in a 29% higher share of graduates, and in turn causing a 20% wage growth for the 25 year olds. Keywords – Educational Economics, labour economics, Marginal students, B

    Observation and forecasted charts for test data of (a) Stacked-LSTM, (b) CNN, (c) Bi-LSTM, (d) CNN-LSTM, (e) ConvLSTM, and (f) proposed CNN-Bi-LSTM.

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    Observation and forecasted charts for test data of (a) Stacked-LSTM, (b) CNN, (c) Bi-LSTM, (d) CNN-LSTM, (e) ConvLSTM, and (f) proposed CNN-Bi-LSTM.</p
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