7,475 research outputs found

    How Will Online Affiliate Marketing Networks Impact Search Engine Rankings?

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    In online affiliate marketing networks advertising web sites offer their affiliates revenues based on provided web site traffic and associated leads and sales. Advertising web sites can have a network of thousands of affiliates providing them with web site traffic through hyperlinks on their web sites. Search engines such as Google, MSN, and Yahoo, consider hyperlinks as a proof of quality and/or reliability of the linked web sites, and therefore use them to determine the relevance of web sites with regard to search queries. In this research we investigate the potential impact of online affiliate marketing networks on the ranking of advertisersñ€ℱ web sites in search results. This article empirically explores how seven different affiliate marketing networks affect the rankings of the advertising web sites within web search engines. The field study followed intensively seven online affiliate marketing networks for twelve weeks after their launch. The results indicate that newly started affiliate networks effectively improve the rankings of advertising web sites in search engine results. Also, it was found that the effects of affiliate marketing networks on search engine rankings were smaller for advertising web sites operating in highly competitive markets. Another finding was that a growth in visitors coming from search engines was present as a result of the improvement of search engine rankings. Finally, the results indicate that cost-benefit metrics associated with affiliate marketing programs, such as the average marketing cost will decrease when the positive effects of affiliate marketing on search engine rankings are taken into account.Advertising;Hyperlinks;Online Affiliate Marketing Networks;Search Engine Rankings

    Comparison of Hadronic Interaction Models at Auger Energies

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    The three hadronic interaction models DPMJET 2.55, QGSJET 01, and SIBYLL 2.1, implemented in the air shower simulation program CORSIKA, are compared in the energy range of interest for the Pierre Auger experiment. The model dependence of relevant quantities in individual hadronic interactions and air showers is investigated.Comment: Contribution to XII Int. Symp. on Very High Energy Cosmic Ray Interactions, 4 pages, 8 figure

    Geosynchrotron radio emission from CORSIKA-simulated air showers

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    Simulations of radio emission from extensive air showers we have published so far were performed with a Monte Carlo code using analytical parametrisations to describe the spatial, temporal, energy and angular particle distributions in the air shower. A new version of our simulation code, which replaces these parametrisations with precise, multi-dimensional histograms derived from per-shower CORSIKA simulations, is now available. The new code allows an independent selection between parametrisation and histogram for each of the relevant distributions, enabling us to study the changes arising from using a more realistic air shower model in detail. We describe the new simulation strategy, present some initial results and discuss the new possibilities.Comment: 6 pages, Proceedings of the ARENA2006 workshop, Newcastle, England; to be published in Journal of Physics: Conference Series (JPCS

    Air Shower Simulation with CORSIKA in the Presence of Atmospheric Electric Fields

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    Charmed particles in CORSIKA

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    Dieser Bericht beschreibt, wie die Produktion, der Transport und der Zerfall von Teilchen mit Charm ebenso wie der von Leptonen der dritten Generation (t±-Leptonen und nt bzw. nt Neutrinos) in das Luftschauer-Simulationsprogramm CORSIKA eingebaut wurden

    A proton microbeam deflection system to scan target surfaces

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    Third Order Transfer Matrix Elements of Octopoles

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