Jaana Tähtinen

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Introduction Advances in wireless technology have changed the business environment significantly, and mobile business has potential to grow to be one of the most important industries in the world (Ling 2003). Mobile advertising, i.e. advertising using mobile devices as communication vehicle, can be seen as one of the most important and promising(More)
Entering foreign markets is often seen to be a big challenge for small firms due to the small amount of resources available for internationalisation. However, through interpersonal networks, firms can gain access to, as well as, mobilise external resources to aid the initiation of internationalisation. Thus, to understand small firm's internationalisation,(More)
Acknowledgements: The financial support of the National Technology Agency of Finland is gratefully acknowledged. The authors wish to thank the organisations, whose invaluable collaboration has made this work possible. Abstract This study focuses on permission-based mobile advertising (m-advertising) and its specific features that make it different form(More)
This study is about value creation in an emerging context of technology intensive professional services. The purpose is to examine what kind of value advertisers derive from a mobile advertising service that is still being developed. The research design followed is a grounded theory approach and the empirical data were gathered through in-depth interviews(More)
Nevalainen: Hierarchical grid transformation for image warping in the analysis of two-State of vigilance, oestrogen replacement therapy, and lipid profile as modifiers of nocturnal movement-induced heart rate responses, Clinical Physiology and Functional Imaging 23 (2003) 293-299.
A comprehensive feline health survey was conducted to reveal breed-specific inheritable diseases in Finnish pedigree cats for genetic research. Prevalence of 19 disease categories and 227 feline diseases were defined in a study population of 8175 cats belonging to 30 breeds. Dental and oral diseases, with a prevalence of 28%, and dental calculus and(More)