| 1. |
- Kurkkio, Monika, et al.
(författare)
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- 2007
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Ingår i: The Future of Nordic Business Schools.
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Konferensbidrag (refereegranskat)abstract
- To be in the frontier in highly competitive and capital intensive businesses collaborative R&D-projects between companies and their customers have become important. Such projects expect to bring forth competitive advantages. However, previous studies indicate that there are difficulties in managing and evaluating collaborative R&D-projects. Therefore, the purpose with the paper is to increase the understanding about management and evaluations of values in collaborative R&D-projects. The present paper addresses the following questions: 1. How are collaborative R&D-projects managed? 2. What values are generated through the exchange between the companies? 3. How are collaborative R&D-projects evaluated? In this paper, we have conducted an exploratory single case study in the process industry, on a big Swedish company and one of their customers. The empirical findings are based on interviews, internal documents and publicly available information. Inductive patterns identified in the empirical material led to further analyses from the theoretical perspectives of Customer relationship management (CRM), Social exchange theory (SET) and Intellectual capital (IC).Findings from the study indicate that the company's strategy for creating competitive advantages is to build up-on long-term customer relationships through the collaborative R&D-projects. Management of, exchange of and values created through relationship are central for such a strategy. The careful management of customers is in accordance with the theory of CRM. The company's focus on long-term relationships tended to influence the exchange in the R&D-project. T he outcome of the project was negative, a failure. When evaluating the project focus was on measuring soft values instead of the hard values based on the negative output. The social exchange, central for the company's management of the customer relationship that generated values in form of a relational capital, seemed more important than the economic exchange. The concluding remarks of this paper lead to a paradox. Companies' long-term strategy of building relational capital for ensuring economic values tends to result in the neglecting of measuring hard economic values. This may in the long-run damage the customer relationship since the main purpose with the collaborative R&D-project is to generate competitive advantages in terms of economic values.
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| 2. |
- Aad, G., et al.
(författare)
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- 2013
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Ingår i: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 15
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Tidskriftsartikel (refereegranskat)
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| 3. |
- Özeren, Hüsamettin Deniz, et al.
(författare)
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Prediction of Plasticization in a Real Biopolymer System (Starch) using Molecular Dynamics Simulations
- 2020
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Ingår i: Materials & design. - : Elsevier. - 0264-1275 .- 1873-4197. ; 187:108387
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Tidskriftsartikel (refereegranskat)abstract
- Virgin biopolymers are often brittle, which means that they need efficient, sustainable, non-toxic plasticizers for most practical applications. Although the mechanical properties of biopolymers plasticized with e.g. sugars have been extensively investigated, the explanation why efficient plasticization normally only occurs above 20 wt% plasticizer is still lacking. In this work, starch/glycerol was used as a model system to show that all-atom molecular dynamics (MD) simulations can be used to capture the transition region at 20–30 wt% plasticizer, where plasticization becomes pronounced. Tensile properties and PVT data (densities and glass transition temperatures) were obtained both from MD simulations and from measurements on real starch/glycerol materials, confirming that MD could capture the experimentally observed transition region. Also, the simulated glycerol diffusivity correlated well with the trends in the mechanical properties. Percolation theory was used to derive a probable explanation of the observed transition. The results indicate that the MD methodology can be used also for other polymer/plasticizer systems and has the potential to be a valuable tool for optimizing the type and amount of plasticizer in a given polymer, as well as being a tool for the design of new efficient plasticizers.
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| 4. |
- Ryberg, Ingrid, 1976
(författare)
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- 2019
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Ingår i: Which Human Rights? Film Festival Istanbul.
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Annan publikation (övrigt vetenskapligt/konstnärligt)
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| 5. |
- Özger, Mustafa, et al.
(författare)
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Energy-Efficient Transmission Range and Duration for Cognitive Radio Sensor Networks
- 2021
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Ingår i: IEEE Transactions on Cognitive Communications and Networking. - : Institute of Electrical and Electronics Engineers (IEEE). - 2332-7731. ; , s. 1-1
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Tidskriftsartikel (refereegranskat)abstract
- Cognitive Radio (CR) promises an efficient utilization of radio spectrum resources by enabling dynamic spectrum access to overcome the spectrum scarcity problem. Cognitive Radio Sensor Networks (CRSNs) are one type of Wireless Sensor Networks (WSNs) equipped with CR capabilities. CRSN nodes need to operate energy-efficiently to extend network lifetime due to their limited battery capacity. In this paper, for the first time in literature, we formulate the problem of finding a common energy-efficient transmission range and transmission duration for all CRSN nodes and network deployment that would minimize the energy consumed per goodput per meter toward the sink in a greedy forwarding scenario. Results reveal non-trivial relations for energy-efficient CRSN transmission range and duration as a function of nine critical network parameters such as primary user activity levels. These relations provide valuable insights for detailed CRSN designs prior to deployment.
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| 6. |
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| 7. |
- Öztekin, Buket
(författare)
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Typical and atypical language development in Turkish-Swedish bilingual children aged 4–7
- 2019
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This thesis investigates the vocabulary and narrative macrostructure skills of 102 typically-developing (TD) 4- to 7-year-old Turkish-Swedish bilingual children (cross-sectional), the development of these skills over time from age 4 to 6 in a subgroup of 10 children (longitudinal), and six Turkish-Swedish children with a language impairment (LI) diagnosis (clinical). The children’s health, family and language backgrounds, their language use and input patterns are explored through parental questionnaires, family interviews, and interviews with teachers and speech-language pathologists. In both Turkish and Swedish, comprehension and production are assessed with comparable materials: Cross-Linguistic Lexical Tasks (CLT; Haman et al., 2015), and Multilingual Assessment Instrument for Narratives (MAIN; Gagarina et al., 2012). For vocabulary (CLT), age development, language differences (Turkish vs. Swedish), differences between comprehension and production, and effects of language use and input are explored. For narrative macrostructure (MAIN), age development, language differences and task differences (Cat/Dog vs. Baby Birds/Baby Goats) are analyzed. LI children’s scores are compared with TD children, with additional focus on the LI children’s communicative, linguistic and social behavior. In both vocabulary comprehension and production, the youngest TD groups performed better in Turkish than in Swedish, but by age 6, Turkish and Swedish vocabulary scores matched due to rapid improvement in Swedish. Factors related to vocabulary scores were: daily language input, parents’ language use with each other and with the child, and child’s language with the sibling(s). For narratives, comprehension was ahead of production. There was no difference between Turkish and Swedish MAIN comprehension, but for both languages a task effect was found (higher scores on Cat/Dog than Baby Birds/Baby Goats). Narrative production scores were generally low for both languages, but increased more with age in Swedish than in Turkish. The longitudinal study largely confirmed the patterns found in the cross-sectional data.The majority of the LI children performed far below their TD peers in both their languages. Some LI children performed very low in only one language, despite extensive and long-term exposure to that language. In contrast, TD children with very low scores in one language usually had very limited exposure to that language. LI children were also reported to have difficulties with word learning, pragmatics, and attention, and a family history with language problems. It is suggested that bilingual children with potential language impairment should be assessed holistically in both their languages and extensive information about their family backgrounds and language input characteristics be collected.
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| 8. |
- Aad, G., et al.
(författare)
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- 2012
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Tidskriftsartikel (refereegranskat)
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| 9. |
- Özdogan, Özgecan, et al.
(författare)
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Massive MIMO With Spatially Correlated Rician Fading Channels
- 2019
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Ingår i: IEEE Transactions on Communications. - : Institute of Electrical and Electronics Engineers (IEEE). - 0090-6778 .- 1558-0857. ; 67:5, s. 3234-3250
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Tidskriftsartikel (refereegranskat)abstract
- This paper considers multi-cell massive multiple-input multiple-output systems, where the channels are spatially correlated Rician fading. The channel model is composed of a deterministic line-of-sight path and a stochastic non-line-of-sight component describing a practical spatially correlated multipath environment. We derive the statistical properties of the minimum mean squared error (MMSE), element-wise MMSE, and least-square channel estimates for this model. Using these estimates for maximum ratio combining and precoding, rigorous closed-form uplink (UL) and downlink (DL) achievable spectral efficiency (SE) expressions are derived and analyzed. The asymptotic SE behavior, when using the different channel estimators, are also analyzed. The numerical results show that the SE is higher when using the MMSE estimator than that of the other estimators, and the performance gap increases with the number of antennas.
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| 10. |
- Özkirimli, Umut, et al.
(författare)
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Nationalism (Transcendence of)
- 2016
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Ingår i: The Wiley-Blackwell Encyclopedia of Race, Ethnicity and Nationalism. - Oxford, UK : John Wiley & Sons, Ltd. - 9781405189781 - 9781118663202
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Bokkapitel (refereegranskat)abstract
- The future of nations and nationalism appears to many to be more uncertain than ever in view of the growing interdependence of the planet. The question of whether globalization heralds the end of nationalism cannot be answered properly without distinguishing between nation and state. In the case of the state, the question is whether states can preserve their sovereignty intact in an age when politics is conducted at a supranational and subnational level. In the case of the nation, the question is whether there are forms of community that offer alternative foci of belonging. Even though the nation continues to be an important source of political and cultural identity, it can be argued that globalization has increased people's reflexiveness with regard to their identity and facilitated the emergence of new forms of belonging that are deterritorial, plural, and hybrid.
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