Papers by Georgia Nikolaou
HAL (Le Centre pour la Communication Scientifique Directe), 2016
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This paper presents evaluation results in terms o f statistical metrics (bias, correlation coeffi... more This paper presents evaluation results in terms o f statistical metrics (bias, correlation coefficien t, NMSE, factor of 2) for an MM5- SMOKE-CMAQ operational forecasting system for the region of West Macedonia, Greece. The evaluation period is 15 October 2009 - 15 February 2010 and the focus is on particulate matte r. West Macedonia is a region of northern Greece wh ere many lignite power plants and mines are located, and where the majority of the el ectrical power of Greece is produced. The plants an d mines are located in a mountainous basin where occasional exceedences of the allowable limits for particulate matter concentrations are o bserved. The operational system has been set up by the University of Western Macedonia on behalf of the Greek Public Power Corporation (PPC) and performs three-day air quality forecasts every day. Separate evaluations w ere performed for each day of the forecast (first, second, and third), with no significant difference in the results being observ...
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The aim of this paper is to discuss the theoretical background and methodological tools for the e... more The aim of this paper is to discuss the theoretical background and methodological tools for the elaboration of a specialized dictionary, the Dictionary of the Learned Elements of Modern Greek (DILLEMOG). The learned level of Modern Greek (MG), which originates from the natural diachronic inheritance and from the prototyping of Ancient Greek, includes segments, structures and processes which pertain to all levels of linguistic analysis. DILLEMOG will constitute an innovative lexicographical database which will provide the user with all the necessary information on the [+ learned] linguistic items of MG, such as definitions, collocations, degree of learnedness, lexical and morphological classification, functionality and usage.
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The paradigmatic dimension of constructed words has led to variables which have been proved to in... more The paradigmatic dimension of constructed words has led to variables which have been proved to influence morphological (on-line) processing. Τhe study presented here seeks to fill a gap in this domain by considering acquisition and processing of constructed words in Greek L2 with a self-paced reading task combined with a consistency judgment, where the critical stimuli are presented within context (and not isolated). We focus on a variable of conceptual-semantic nature, the conceptual salience of the prefix, which is crossed with semantic transparency for the purposes of the experiment. The variable ‘conceptual salience’ relates to the uniqueness versus multiplicity of the prefix’s meanings, e.g., the prefix προ-, as in προβλέπω ‘foresee’ versus the prefix eπί-, as in eπίδeιξη ‘demonstration’. Our results show that distinguishing between consistent and inconsistent critical items is made easier for our advanced L2 participants for the salient conditions, both transparent and opaque,...
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Environmental Science and Engineering (Subseries: Environmental Science), 2009
... Athanasios Sfetsos 1, Alexandros Syrakos 2, Maurice Politis 2, George Efthimiou 2, Nikolaos G... more ... Athanasios Sfetsos 1, Alexandros Syrakos 2, Maurice Politis 2, George Efthimiou 2, Nikolaos Gounaris 1, Diamanto Vlachogiannis 1, Nikolaos 1 Environmental Research Laboratory, INT-RP, NCSR Demokritos, Ag. Paraskevi, Greece 2 Environmental Technology Laboratory ...
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Papers by Georgia Nikolaou