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Iskalni niz: "ključne besede" (data management) .

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1.
Heavy metals in the Adriatic-Ionian Seas : a case study to illustrate the challenges in data management when dealing with regional datasets
Maria-Eugenia Molina Jack, Rigers Bakiu, Ana Castelli, Branko Čermelj, Maja Fafanđel, Christina Georgopoulou, Giordano Giorgi, Athanassia Iona, Damir Ivankovic, Martina Kralj, Elena Partescano, Alice Rotini, Melita Velikonja, Marina Lipizer, 2020, izvirni znanstveni članek

Povzetek: Harmonization of monitoring protocols and analytical methods is a crucial issue for transnational marine environmental status assessment, yet not the only one. Coherent data management and quality control become very relevant when environmental status is assessed at regional or subregional scale (e.g., for the Mediterranean or the Adriatic Sea), thus requiring data from different sources. Heavy metals are among the main targets of monitoring activities. Significant efforts have been dedicated to share best practices for monitoring and assessment of ecosystem status and to strengthen the network of national, regional and European large data infrastructures in order to facilitate the access to data among countries. Data comparability and interoperability depend not only on sampling and analytical protocols but also on how data and metadata are managed, quality controlled and made accessible. Interoperability is guaranteed by using common metadata and data formats, and standard vocabularies to assure homogeneous syntax and semantics. Data management of contaminants is complex and challenging due to the high number of information required on sampling and analytical procedures, high heterogeneity in matrix characteristics, but also to the large and increasing number of pollutants. Procedures for quality control on heterogeneous datasets provided by multiple sources are not yet uniform and consolidated. Additional knowledge and reliable long time-series of data are needed to evaluate typical ranges of contaminant concentration. The analysis of a coherent and harmonized regional dataset can provide the basis for a multi-step quality control procedure, which can be further improved as knowledge increases during data validation process.
Ključne besede: contaminants, data management, harmonization, Adriatic Sea, Ionian Sea, pollution, assessment, heavy metals
Objavljeno v DiRROS: 22.07.2024; Ogledov: 98; Prenosov: 99
.pdf Celotno besedilo (2,39 MB)
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2.
Improving taxonomic practices and enhancing its extensibility—an example from araneology
Jason E. Bond, Rebecca L. Godwin, Jordan D. Colby, Lacie G. Newton, Xavier J. Zahnle, Ingi Agnarsson, Christopher A. Hamilton, Matjaž Kuntner, 2022, izvirni znanstveni članek

Povzetek: Planetary extinction of biodiversity underscores the need for taxonomy. Here, we scrutinizespider taxonomy over the last decade (2008–2018), compiling 2083 published accounts of newlydescribed species. We evaluated what type of data were used to delineate species, whether data weremade freely available, whether an explicit species hypothesis was stated, what types of media wereused, the sample sizes, and the degree to which species constructs were integrative. The findings wereport reveal that taxonomy remains largely descriptive, not integrative, and provides no explicitconceptual framework. Less than 4% of accounts explicitly stated a species concept and over one-thirdof all new species described were based on 1–2 specimens or only one sex. Only ~5% of studies madedata freely available, and only ~14% of all newly described species employed more than one line ofevidence, with molecular data used in ~6% of the studies. These same trends have been discovered inother animal groups, and therefore we find it logical that taxonomists face an uphill challenge whenjustifying the scientific rigor of their field and securing the needed resources. To move taxonomyforward, we make recommendations that, if implemented, will enhance its rigor, repeatability, andscientific standards.
Ključne besede: taxonomy, taxonomic crisis, species concepts, data management, monographic research
Objavljeno v DiRROS: 16.07.2024; Ogledov: 99; Prenosov: 49
.pdf Celotno besedilo (442,22 KB)
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Effects of governmental data governance on urban fire risk : a city-wide analysis in China
Zhao-Ge Liu, Xiang-Yang Li, Grunde Jomaas, 2022, izvirni znanstveni članek

Povzetek: The effects of data governance (as a means to maximize big data value creation in fire risk management) performance on fire risk was analyzed based on multi-source statistical data of 105 cities in China from 2016 to 2018. Specifically, data governance was first quantified with ten detailed indicators, which were then selected for explaining urban fire risk through correlation analysis. Next, the sample cities were clustered in terms of major socio-economic characteristics, and then the effects of data governance were examined by constructing multivariate regression models for each city cluster with ordinary least squares (OLS). The results showed that the constructed regression models produced good interpretation of fire risk in different types of cities, with coefficient of determination (R2) in each model exceeding 0.65. Among the indicators, the development of infrastructures (e.g. data collection devices and data analysis platforms), the level of data use, and the updating of fire risk related data were proved to produce significant effects on the reduction of fire frequency and fire consequence. Moreover, the organizational maturity of data governance was proved to be helpful in reducing fire frequency. For the cities with large population, the cross-department sharing of high-value data was found to be another important determinant of urban fire frequency. In comparison with existing statistical models which interpreted fire risk with general social factors (with the highest R2 = 0.60), these new regression models presented a better statistical performance (with the average R2 = 0.72). These findings are expected to provide decision support for the local governments of China and other jurisdictions to facilitate big data projects in improving fire risk management.
Ključne besede: urban fire risk, fire risk management, big data technologies, data governance, socio-economic factors, city-wide analysis
Objavljeno v DiRROS: 09.01.2024; Ogledov: 299; Prenosov: 89
.pdf Celotno besedilo (1,20 MB)
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