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Hristos Tyralis

Researcher at Hellenic Air Force

Publications -  68
Citations -  2014

Hristos Tyralis is an academic researcher from Hellenic Air Force. The author has contributed to research in topics: Computer science & Quantile. The author has an hindex of 17, co-authored 60 publications receiving 1203 citations. Previous affiliations of Hristos Tyralis include National Technical University & National Technical University of Athens.

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Twenty-three unsolved problems in hydrology (UPH)–a community perspective

Günter Blöschl, +212 more
TL;DR: In this article, a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts is described. But despite the diversity of the participants (230 scientists in total), the process revealed much about community priorities and the state of our science: a preference for continuity in research questions rather than radical departures or redirections from past and current work.
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A Brief Review of Random Forests for Water Scientists and Practitioners and Their Recent History in Water Resources

TL;DR: This work popularizes RF and their variants for the practicing water scientist, and discusses related concepts and techniques, which have received less attention from the water science and hydrologic communities.
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Comparison of stochastic and machine learning methods for multi-step ahead forecasting of hydrological processes

TL;DR: This work compares 11 stochastic and 9 ML methods regarding their multi-step ahead forecasting properties by conducting 12 extensive computational experiments based on simulations, and indicates that stoChastic and ML methods may produce equally useful forecasts.
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Variable Selection in Time Series Forecasting Using Random Forests

TL;DR: The highest predictive performance of RF is observed when using a low number of recent lagged predictor variables, which could be useful in relevant future applications, with the prospect to achieve higher predictive accuracy.
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Predictability of monthly temperature and precipitation using automatic time series forecasting methods

TL;DR: In this paper, the predictability of monthly temperature and precipitation by applying automatic univariate time series forecasting methods to a sample of 985 40-year-long monthly temperature, and 1552 40 -yearlong monthly precipitation time series was investigated.