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41.
We investigate how, and to what extent, morphological complexity of the language influences text classification using support vector machines (SVM). The Croatian–English parallel corpus provides the basis for direct comparison of two languages of radically different morphological complexity. We quantified, compared, and statistically tested the effects of morphological normalisation on SVM classifier performance based on a series of parallel experiments on both languages, carried over a large scale of different feature subset sizes obtained by different feature selection methods, and applying different levels of morphological normalisation. We also quantified the trade-off between feature space size and performance for different levels of morphological normalisation, and compared the results for both languages. Our experiments have shown that the improvements in SVM classifier performance is statistically significant; they are greater for small and medium number of features, especially for Croatian, whereas for large number of features the improvements are rather small and may be negligible in practice for both languages. 相似文献
42.
Aleksandra Pikić 《Public Library Quarterly》2020,39(2):115-139
ABSTRACTThe achievement of social justice, which implies the development of collections and the design of services for different user groups, is an objective present in the mission of public libraries. Since the 1950s, Croatian public libraries have been continuously developing collections and services for different user communities. However, one user community has remained largely unrecognized – LGBTIQ people. Therefore, the aim of the research presented in this paper is to examine the importance of the role of public libraries in the life of the LGBTIQ community in the Republic of Croatia. With a sample of 259 respondents, information behaviors, attitudes and experiences of LGBTIQ people in relation to public libraries have been examined via an online survey. In particular, this study explored the extent to which members of public libraries differ from non-members. The obtained results should contribute to a better understanding of the information needs and behavior of members of sexual minorities and help bring this group of users closer to (Croatian) public libraries by ensuring that libraries more adequately respond to their needs. 相似文献
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Fuada Stanković 《Higher Education in Europe》2006,31(2):117-128
What does being an entrepreneurial university mean? The University of Novi Sad in Serbia is taken as an example of how one University in a transition country, which was lacking tradition in entrepreneurial practices, is striving to become an entrepreneurial university. Examples of new practices are also described such as the establishment of a university incubator, introduction of a course in entrepreneurship offered to all students, diversification of income sources, development of institutional links and strategies for the closer flow of ideas, information, and research results between the University and its stakeholders. 相似文献
45.
On the eve of the adoption of the new Council of Europe ‐ UNESCO Convention, this article goes back to the first agreement between the two international organizations to step up their co‐operation in the field of academic recognition and retraces the different stages that led to the final completion of the legal text. It offers an overview of the entire process, analyzing the development of the basic concepts of the Convention, highlighting controversial issues, and demonstrating the complex process of consultation in a wider and diversified Europe that will be brought to completion at the Lisbon Diplomatic Conference. This article, in a slightly different form, will be presented as a background document at the Lisbon Conference. 相似文献
46.
Slađana Popović Nikola Unković Gordana Subakov Simić Milica Ljaljević Grbić 《文物保护研究》2018,63(5):292-302
The presence of biofilms on stone monuments can lead to biodeterioration processes that significantly lower not only the aesthetic value of cultural heritage sites but also cause considerable physical and chemical damage to stone surfaces. In terrestrial environments, cyanobacteria have a significant role in biofilm formation on a variety of natural and artificial stone substrata, including granite, sandstone, limestone, lime mortar, etc. Studies on cyanobacterial diversity and estimation of biodeteriorative activity on stone cultural heritage objects can be very important for conservators and restorers, and cyanobacteria removal from stone monuments is currently a great challenge for conservation science. In that sense, the diversity of terrestrial cyanobacteria was investigated at six localities in Serbia. Samples for cyanobacterial analyses were taken from surface biofilms covering different substrata: granite and lime mortar (The Monument to the Unknown Hero), sandstone (Branko's Bridge, Eiffel’s Lock) and carbonate rock (Medieval tombstones from Mramorje and Rasti?te, Gradac Monastery). A total of 18 cyanobacterial taxa were identified. The highest diversity was found on carbonate rock, followed by sandstone. Cyanobacteria were also recorded on an artificial substratum – lime mortar, while cyanobacteria were not found on granite. All detected cyanobacteria seriously impaired the structural and aesthetic integrity of the studied monuments via mechanical and chemical actions, so their presence must not be overlooked. 相似文献
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The paper questions some of the premises in studying academic spin-offs in developed countries, claiming that when taken as
characteristics of ‘academic spin-offs per se,’ they are of little help in understanding the phenomenon in the Eastern European
countries during the transitional and post-transitional periods after 1989. It argues for the necessity of adopting a path-dependent
approach, which takes into consideration the institutional and organisational specificities of local economies and research
systems and their evolution, which strongly influence the patterns of spin-off activity. The paper provides new findings and
original arguments in support of Balazs’ seminal theses (Balazs 1995, 1996) about the emergence of academic spin-offs during the early transition. It reveals key economic and policy mechanisms bearing
on academic entrepreneurship in Eastern Europe, such as the tensions between economic and political nomenclatures of former
Communist Parties, where the dismantling or preservation of the power of political nomenclature resulted in different patterns
of development—rapid reforms in the ‘first wave’ of EU accession countries or the establishment of rent-seeking and assets-stripping
economies in countries like Bulgaria and Romania, making the transition period especially difficult. In the latter, a specific
economic environment emerged, unknown in Western Europe and in the ‘champions’ of transition—such as suppression of the authentic
entrepreneurship in a number of economic sectors, disintegration of corporate structures, etc. Thus, the paper reveals the
common ground behind the two conflicting tendencies in post-socialist academic spin-offs, partially outlined in other research
(Simeonova 1995; Pavlova 2000): as an authentic form of academic entrepreneurship grasping the opportunities opened up by the economic crisis and compensating
failures in science and technology policy on the one hand, and as specific rent-seeking strategy draining valuable public
assets on the other (the latter, in turn, boosting the negative attitudes in local scientific communities). The paper provides
new findings about the evolution of the academic spin-offs in Bulgaria along the two polar trends and their positive and negative
repercussions on parent research institutions. The results were achieved in the PROKNOW Project, EC 6th Framework Program. 相似文献
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50.
Dragan Antić Bratislav Danković Saša Nikolić Marko Milojković Zoran Jovanović 《Journal of The Franklin Institute》2012,349(1):323-336
In this paper, we define a class of almost orthogonal rational functions of Legendre type in a new manner. Relations of these functions with classical exponentional functions orthogonal over interval (0, ∞), as well as classical polynomials orthogonal over (0, 1) are explained. Defining relations of these functions can be used for designing almost orthogonal filters. These filters are generators of orthogonal signals and can be successfully applied in finding the best signal approximation in the sense of the mean square error. The filters orthogonal property enables building of physical (in this case electrical) models of dynamical systems (the sources of signals to be approximated) either with less components for the same model accuracy or higher accuracy for the same number of components than the other known models. New filters represent further improvement of previously designed filters, by the same authors, in the sense of simplicity, higher accuracy, lesser approximation time and even a possibility to approximate signals generated by systems with built-in imperfections. Series of experiments were performed to analyze the dependence of approximation accuracy and the number of filters sections. 相似文献