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DCU Online Research Access Service
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7141 Publications
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  • Family histories and geographies: interrelationships between genealogy and geography

    Desmond, Gillmor; Barry, Almar (2012)
    The basis of this paper is that family history and geography are fundamentally interrelated and that geography can benefit from association with the rapidly expanding field of genealogy. A number of influences has contributed to the huge growth in family history research and it has been facilitated in particular by the internet. Geography is vital to genealogy in part because of the use of maps and administrative areas but especially because of the critical importance of places. The lin...

    Simulation of all-optical demultiplexing utilizing two-photon absorption in semiconductor devices for high-speed OTDM networks

    Maguire, Paul J.; Barry, Liam P. (2004)
    The performance of a two-photon absorption (TPA) based demultiplexer in an OTDM communication system is modeled. The demultiplexer is evaluated by comparing the electrical BER of the demultiplexed and detected channel to the optical BER of the signal before the demultiplexer. An error-free demultiplexing of a 250 Gbit/s signal (25 × 10 Gbit/s channels) is shown, using a 30:1 control-to-signal peak power ratio, with a TPA device with a bandwidth of 20 GHz should be possible. The device that is...

    Multimedia for medicine: the medico Task at mediaEval 2017

    Riegler, Michael; Pogorelov, Konstantin; Halvorsen, Paal; Griwodz, Carsten; Lange, Thomas; Randel, Kristin; Eskeland, Sigrun; Dang Nguyen, Duc Tien; Lux, Mathias; Spampinato, Concetto (2017)
    The Multimedia for Medicine Medico Task, running for the rst time as part of MediaEval 2017, focuses on detecting abnormalities, diseases and anatomical landmarks in images captured by medical devices in the gastrointestinal tract. The task characteristics are described, including the use case and its challenges, the dataset with ground truth, the required participant runs and the evaluation metrics.

    Using educational analytics to improve test performance

    Corrigan, Owen; Smeaton, Alan F.; Glynn, Mark; Smyth, Sinead (2015)
    Learning analytics are being used in many educational applications in order to help students and Faculty. In our work we use predictive analytics, using student behaviour to predict the likely performance of end of semester final grades with a system we call PredictED. The main contribution of our approach is that our intervention automatically emailed students on a regular basis, with our prediction for the outcome of their exam performance. We targeted first year, first semester University ...

    Bluetooth friendly names: bringing classic HCI questions into the mobile space

    Byrne, Daragh; Lavelle, Barry; Jones, Gareth J.F.; Smeaton, Alan F. (2007)
    We explore the use of Bluetooth friendly names within the mobile space. Each Bluetooth-enabled device possesses a short string known as a 'friendly name' used to help identify a device to human users. In our analysis, we collected friendly names in use on 9,854 Bluetooth-enabled devices over a 7-month period. These names were then classified and the results analysed. We discovered that a broad range of HCI themes are applicable to the domain of Bluetooth friendly names, including previous...
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