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Comparison of approaches to text classification
Knížek, Jan ; Hana, Jiří (advisor) ; Vidová Hladká, Barbora (referee)
The focus of this thesis is short text classification. Short text is the prevailing form of text on e-commerce and review platforms, such as Yelp, Tripadvisor or Heureka. As the popularity of the online communication is increasing, it is becoming infeasible for users to filter information manually. It is therefore becoming more and more important to recog- nise the relevant information in text. Classification of reviews is especially challenging, because they have limited structure, use informal language, contain a high number of errors and rely heavily on context and common knowledge. One of the possible appli- cations of machine learning is to automatically filter data and show users only relevant pieces of information. We work with restaurant reviews from Yelp and aim to predict their usefulness. Most restaurants have relatively many reviews, yet only few are truly useful. Our objective is to compare machine learning methods for predicting usefulness. 1
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Migration permeability of fish pass on the river Blanice in region of urban area Zábrdí
KNÍŽEK, Jonáš
The purpose of my diploma thesis was tracking of new build fish pass on upper part of the Blanice river in cadastral area of Zábrdí.This fish pass is situated in area up stream from road bridge in village Zábrdí.For the data collection it was used a direct fishing of fish by portable electric unit.Direct fishing were carried out on 50 meters section under fish pass and in fish pass itself.Catching of fish was carried out in period from January to October 2008. There was realized total 10 catches .For a evaluation of migration permeability was used 336 pieces from 6 fish species,concretely it was Salmo trutta m. fario, Thymallus thymallus , Cottus gobio , Leuciscus cephalus, Leuciscus leuciscus, Lota lota, which was caught in tracked section of Blanice river ( 50 m section towards body of weir ) and 105 pieces from 4 fish species (Salmo trutta m. fario,Thymallus thymallus , Cottus gobio, Lota lota),caught in a body of fish pass. Of these results specific and size characteristics were determinated.Caught fish was determinated,measured and returned to aquatic environment.
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Světový rybářský průmysl
Knížek, Jiří ; Vošta, Milan (advisor) ; Kašpar, Václav (referee)
Práce se zabývá analýzou procesů v rybářském průmyslu a rybolovu ve světovém kontextu v časové rovině od druhé poloviny 20. století do současnosti. Jejím cílem je poskytnout čtenáři detailní náhled do této materie záživným způsobem, samozřejmě při zachování nutné míry obecnosti. Za tímto účelem disponuje práce spoustou ilustrativních, a přitom relevantních, grafických, obrázkových a tabulkových prvků.
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