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The practical challenge of creating a Hungarian e-mail reader has initiated our work on statistical text analysis. The starting point was statistical analysis for automatic discrimination of the language of texts. Later it was extended to automatic re-generation of diacritic signs and more detailed language structure analysis. A parallel study of three different languages-Hungarian, German and English-using text corpora of a similar size gives a possibility for the exploration of both similarities and differences. Corpora of publicly available Internet sources were used. The corpus size was the same (approximately 20 Mbytes, 2.5-3.5 million word forms) for all languages. Besides traditional corpus coverage, word length and occurrence statistics, some new features about prosodic boundaries (sentence initial and final positions, preceding and following a comma) were also computed. Among others, it was found that the coverage of corpora by the most frequent words follows a parallel logarithmic rule for all languages in the 40-85% coverage range, known as Zipf's law in linguistics. The functions are much nearer for English and German than for Hungarian. Further conclusions are also drawn. The language detection and diacritic regeneration applications are discussed in detail with implications on Hungarian speech generation. Diverse further application domains, such as predictive text input, word hyphenation, language modelling in speech recognition, corpus-based speech synthesis, etc. are also foreseen.

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Changes in the mortality of acute myocardial infarction in the area of Zalaegerszeg

Effects of the first 24-hour ST-elevation acute myocardial infarction intervention service in Hungary

Clinical and Experimental Medical Journal
Authors: Géza Lupkovics, Ákos Motyovszki, Zoltán Németh, István Takács, András Kenéz, Bernadett Burkali, and Ildikó Menyhárt

Abstract

Introduction

Morbidity and mortality data of acute myocardial infarction highlight the significance of this patient population worldwide. Rapid and accurate diagnosis and timely initiation of an appropriate therapy are of crucial importance in this group of patients. Invasive cardiology, i.e. primary percutaneous coronary intervention is already a basic requirement of up-to-date medical care for acute myocardial infarction. However, American and European guidelines of 1999 positioned primary percutaneous coronary intervention as Class I recommendation, only as an alternative to thrombolysis and for the treatment of patients with a complicated cardiogenic shock. In Hungary, we organized a 24 h intervention service for acute myocardial infarction at the Department of Cardiology in the Zala County Hospital, Zalaegerszeg for the first time in 1998.

Objectives

Our study was aimed at demonstrating that the timely intervention therapy of acute myocardial infarction reduced the mortality rate of the disease in our region to a more significant extent as compared to the national average, and the effects of this can be experienced even now.

Methods

The Western Transdanubian Regional Institute of the Hungarian National Public Health and Medical Officer Service (ÁNTSZ) processed the mortality data of the period between 1997 and 2005 in the Western Transdanubian Region and in the Zalaegerszeg area, and compared them with each other and with the national average published by the Hungarian Central Statistical Office. With the help of our own computerised data base, we studied the changes in the number of invasive interventions during this period, and correlated them with mortality statistics.

Results

During the first “complete” year, in 1998, we performed 82 primary and 283 “elective” primary percutaneous coronary interventions; by 2005 these numbers increased to 318 and 1,265, respectively. In parallel with this, early and total mortality rate due to myocardial infarction among male patients decreased in the Zalaegerszeg area to a significantly (p < 0.001) greater extent than the national average.

Conclusion

Our 24-h intervention care for acute infarction, launched as the first of its kind in Hungary, improved mortality statistics in the area to a significant degree as compared to the national average. The results of these experiments by the team, which has gained considerable experience, represent an advantage for the patients of the Zalaegerszeg area.

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Central European Geology
Authors: Attila Demény, Géza Nagy, Bernadett Bajnóczi, Tibor Németh, József Garai, Vadym Drozd, and Ernst Hegner

Abstract

In this study we report the first hydrogen isotope composition analyses on carbonado diamond along with cathodoluminescence and scanning electron microscopic imaging, electron microprobe analyses, and stable (H and C) and radiogenic (Sr) isotope measurements. The hydrogen of bulk carbonado (consisting diamond and pore-filling minerals) yielded ∼ −4‰, consistent with usual crustal or mantle-derived fluids. The diamond-related hydrogen component is about 70 ± 30 ppm and shows a D-depletion down to −200‰. Determined H isotope values — together with C isotope compositions — overlap the ranges for mantle-derived hydrocarbons. Textural characteristics and Sr isotope ratios of pore-filling florencite indicate that the carbonado was formed in a fluid-rich environment, underwent a significant high-temperature influence and finally suffered thorough alteration. Based on these observations, a terrestrial formation during interaction of mantle rocks/melts or subducted crustal materials and reduced C-H fluids seems to be more plausible than an extraterrestrial origin.

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Orvosi Hetilap
Authors: Géza Lupkovics, Ákos Motyovszki, Zoltán Németh, István Takács, András Kenéz, Bernadett Burkali, and Ildikó Menyhárt

A heveny szívinfarktus morbiditási és mortalitási adatai világszerte rámutatnak ezen betegcsoport kiemelt jelentőségére. A gyors és korrekt diagnózis, az adekvát terápia időben történő indítása kulcsfontosságú ezen betegcsoportnál. Ma már a heveny szívinfarktus korszerű ellátásának alapkövetelménye az invazív kardiológiai beavatkozás, a primer percutan coronariaintervenció. Az 1999-es amerikai és európai ajánlások azonban a primer percutan coronariaintervenciót I. osztályú ajánlásként csak mint a thrombolysis alternatíváját, illetve a kardiogén sokkal szövődött betegcsoport kezelését javasolták. A Zala Megyei Kórház Kardiológiai Osztályán 1998-ban Magyarországon elsőként szerveztük meg a heveny szívinfarktus 24 órás intervenciós ügyeletét. Cél: Vizsgálatunk célja annak igazolása, hogy a heveny infarktus korán elkezdett intervenciós kezelése az országos átlagnál jelentősebb mértékben csökkentette térségünkben a kórkép mortalitását, és ennek hatásai a mai napig érezhetőek. Módszerek: Az Állami Népegészségügyi és Tisztiorvosi Szolgálat Nyugat-dunántúli Regionális Intézete feldolgozta a nyugat-dunántúli régió és a zalaegerszegi kistérség 1996–2005 közötti időszak halálozási adatait, és egymással, valamint a statisztikai hivatal által közölt országos átlaggal hasonlította össze. Saját számítógépes adatbázisunk segítségével vizsgáltuk ezen időszakban végzett invazív beavatkozások számának változását, és összevetettük a mortalitási statisztikákkal. Eredmények: Az első „teljes” évben, 1998-ban 82 primer és 283 „elektív” percutan coronariaintervenciót végeztünk, ezek a számok 2005-re 318-ra és 1265-re emelkedtek. Ezzel párhuzamosan a szívinfarktus miatti korai, illetve teljes halálozás a férfiak körében a zalaegerszegi kistérségben szignifikánsan (p<0,001) nagyobb mértékben csökkent, mint az országos átlag. Következtetés: A Magyarországon elsőként elindított 24 órás akut infarktus intervenciós ellátás a térség mortalitási statisztikáit jelentős mértékben javította az országos átlaghoz képest. A gyakorlott, nagy tapasztalatot szerzett team munkájának eredményei napjainkig előnyt jelentenek a zalaegerszegi kistérség betegei számára.

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Cereal Research Communications
Authors: Gabriella Máthé-Gáspár, László Radimszky, Géza Kovács, Jánosné Falusi, and Tamás Németh
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Learning & Perception
Authors: Tamas Sefcsik, Dezso Nemeth, Karolina Janacsek, Ildiko Hoffmann, Jeff Scialabba, Peter Klivenyi, Geza Gergely Ambrus, Gabor Haden, and Laszlo Vecsei

Abstract

The role of the basal ganglia in cognition is still uncertain. This case study investigates the partial neuropsychological profile of a 20-year-old patient with a perinatal left putaminal lesion. This pathology is relatively rare and little is known of its cognitive effects. The focuses of our neuropsychological assessment were working memory, executive functions, analysis of spontaneous speech and implicit skill learning. The patient's executive functions did not attain the normal range, and working memory was also partially impaired. In addition, the temporal features of her speech revealed an increased pause/signal time ratio. Finally, in an implicit skill learning task, the patient showed general motor skill learning, but no sequence specific learning. Together these findings suggest that the frontal/subcortical circuit between the putamen and frontal motor areas plays a role in higher cognitive processing such as executive functions, working memory, as well as in first-order sequence learning.

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