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  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2019

    6200282323 / 9786200282323

    • Softcover

    Seller: Revaluation Books, Exeter, United KingdomRevaluation Books

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    Paperback. Condition: Brand New. 52 pages. 8.66x5.91x0.12 inches. In Stock.

  • Language: Spanish

    Published by Ediciones Nuestro Conocimiento, 2022

    6204993658 / 9786204993652

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  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2019

    6200282323 / 9786200282323

    • Softcover

    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Improving Classification Accuracy of Automated Text Classifiers | Basics Concepts, Methods, and Practical Application | Shivam Rastogi | Taschenbuch | 52 S. | Englisch | 2019 | LAP LAMBERT Academic Publishing | EAN 9786200282323 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. …

  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2010

    3838380347 / 9783838380346

    • Softcover

    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Current Differencing Transconductance Amplifier and their Applications | CDTA based LPF, HPF, BPF, Comparator, Quadrature Oscillator | Shivam Rastogi | Taschenbuch | 72 S. | Englisch | 2010 | LAP LAMBERT Academic Publishing | EAN 9783838380346 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.…

  • Language: French

    Published by Editions Notre Savoir, 2022

    6204993712 / 9786204993713

    • Softcover

    Seller: moluna, Greven, Germanymoluna

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  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2010

    3838380347 / 9783838380346

    • Softcover

    Seller: Mispah books, Redhill, SURRE, United KingdomMispah books

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    Paperback. Condition: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

  • Language: French

    Published by Editions Notre Savoir, 2022

    6204993712 / 9786204993713

    • Softcover

    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Améliorer la précision de classification des classificateurs automatiques de texte | Shivam Rastogi | Taschenbuch | Französisch | 2022 | Editions Notre Savoir | EAN 9786204993713 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.…

  • Language: Portuguese

    Published by Edições Nosso Conhecimento, 2022

    6204993674 / 9786204993676

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  • Language: Italian

    Published by Edizioni Sapienza, 2022

    6204993720 / 9786204993720

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    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Migliorare la precisione di classificazione dei classificatori di testo automatici | Shivam Rastogi | Taschenbuch | Italienisch | 2022 | Edizioni Sapienza | EAN 9786204993720 | Verantwortliche Person für die EU: SIA OmniScriptum Publishing, Brivibas Gatve 197, 1039 RIGA, LETTLAND, customerservice[at]vdm-vsg[dot]de | Anbieter: preigu. …

  • Language: Portuguese

    Published by Edições Nosso Conhecimento, 2022

    6204993674 / 9786204993676

    • Softcover

    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Melhoria da Precisão de Classificação dos Classificadores de Texto Automatizados | Shivam Rastogi | Taschenbuch | Portugiesisch | 2022 | Edições Nosso Conhecimento | EAN 9786204993676 | Verantwortliche Person für die EU: SIA OmniScriptum Publishing, Brivibas Gatve 197, 1039 RIGA, LETTLAND, customerservice[at]vdm-vsg[dot]de | Anbieter: preigu. …

  • Language: German

    Published by Verlag Unser Wissen, 2022

    620499364X / 9786204993645

    • Softcover

    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Verbesserung der Genauigkeit von automatischen Textklassifizierern | Shivam Rastogi | Taschenbuch | 52 S. | Deutsch | 2022 | Verlag Unser Wissen | EAN 9786204993645 | Verantwortliche Person für die EU: SIA OmniScriptum Publishing, Brivibas Gatve 197, 1039 RIGA, LETTLAND, customerservice[at]vdm-vsg[dot]de | Anbieter: preigu. …

  • Language: English

    Published by LAP LAMBERT Academic Publishing Aug 2019, 2019

    6200282323 / 9786200282323

    • Softcover
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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The number of textual documents are increasing at an incredible rate and very often, there is a need to classify those documents into some fixed predefined categories. The concepts of text mining and machine learning help a lot in this task of automated document classification. Since the classification is being done automatically, the classifier needs to be a good classifier so that there are as less misclassifications as possible. Therefore, the classification accuracy is very important and needs to be taken care of. There are various factors that can affect the classification accuracy of classifiers. One of the factors is the Feature Selection method used to reduce the number of features in the documents. Information Gain (IG) is one of the most popular methods employed for this task but there are few shortcomings in this method of evaluating the better words. In our work, we have devised a new formula for evaluating the words in the documents and thus finding the better words which are more useful in the classification task. Our method aims to find those words which have more discriminating power than others and therefore, we have named our formula as Discriminating Power (DP). 52 pp. Englisch.…

  • Language: English

    Published by LAP LAMBERT Academic Publishing Sep 2010, 2010

    3838380347 / 9783838380346

    • Softcover
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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -We have hitherto been using voltage mode elements like op-amps for implementation of various electronic circuits. These elements are used widely owing to their small sizes and good performance. Yet nowadays the demand for portable battery powered equipment is increasing. This issue can't be solved with voltage mode elements as the voltage supply if reduced will cause problems with realizing circuits. Instead, current mode (CM) elements can be used for the same circuits and these issues can then be addressed. In this project, we have used Current Differencing Transconductance Amplifier (CDTA) as the active element operating in current-mode and applied it on various circuits. We have realized the circuits for comparator, second order high pass, second order low pass, second order band pass filters and Quadrature oscillators and analyzed using results how the performance of current mode elements is better than the voltage mode ones. 72 pp. Englisch.…

  • Language: Spanish

    Published by Ediciones Nuestro Conocimiento Jul 2022, 2022

    6204993658 / 9786204993652

    • Softcover
    • Print on Demand

    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -El número de documentos textuales está aumentando a un ritmo increíble y, muy a menudo, existe la necesidad de clasificar esos documentos en algunas categorías fijas predefinidas. Los conceptos de minería de textos y aprendizaje automático ayudan mucho en esta tarea de clasificación automática de documentos. Dado que la clasificación se realiza de forma automática, el clasificador debe ser bueno para que haya el menor número posible de errores de clasificación. Por lo tanto, la precisión de la clasificación es muy importante y hay que cuidarla. Hay varios factores que pueden afectar a la precisión de la clasificación de los clasificadores. Uno de los factores es el método de selección de características utilizado para reducir el número de características en los documentos. La ganancia de información (IG) es uno de los métodos más populares empleados para esta tarea, pero este método presenta algunas deficiencias a la hora de evaluar las mejores palabras. En nuestro trabajo, hemos ideado una nueva fórmula para evaluar las palabras de los documentos y así encontrar las mejores palabras que son más útiles en la tarea de clasificación. Nuestro método tiene como objetivo encontrar las palabras que tienen más poder de discriminación que otras y, por lo tanto, hemos llamado a nuestra fórmula Poder de Discriminación (DP). 52 pp. Spanisch.…

  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2019

    6200282323 / 9786200282323

    • Softcover
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    Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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    Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The number of textual documents are increasing at an incredible rate and very often, there is a need to classify those documents into some fixed predefined categories. The concepts of text mining and machine learning help a lot in this task of automated document classification. Since the classification is being done automatically, the classifier needs to be a good classifier so that there are as less misclassifications as possible. Therefore, the classification accuracy is very important and needs to be taken care of. There are various factors that can affect the classification accuracy of classifiers. One of the factors is the Feature Selection method used to reduce the number of features in the documents. Information Gain (IG) is one of the most popular methods employed for this task but there are few shortcomings in this method of evaluating the better words. In our work, we have devised a new formula for evaluating the words in the documents and thus finding the better words which are more useful in the classification task. Our method aims to find those words which have more discriminating power than others and therefore, we have named our formula as Discriminating Power (DP).…

  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2019

    6200282323 / 9786200282323

    • Softcover
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    Seller: moluna, Greven, Germanymoluna

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    Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Rastogi ShivamShivam Rastogi, currently working as a Software Development Engineer at Amazon India. I studied Master of Technology in Computer Science from Delhi Technological University, Delhi. I have research interests in the field.…

  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2010

    3838380347 / 9783838380346

    • Softcover
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    Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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    Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - We have hitherto been using voltage mode elements like op-amps for implementation of various electronic circuits. These elements are used widely owing to their small sizes and good performance. Yet nowadays the demand for portable battery powered equipment is increasing. This issue can't be solved with voltage mode elements as the voltage supply if reduced will cause problems with realizing circuits. Instead, current mode (CM) elements can be used for the same circuits and these issues can then be addressed. In this project, we have used Current Differencing Transconductance Amplifier (CDTA) as the active element operating in current-mode and applied it on various circuits. We have realized the circuits for comparator, second order high pass, second order low pass, second order band pass filters and Quadrature oscillators and analyzed using results how the performance of current mode elements is better than the voltage mode ones.…

  • Language: English

    Published by LAP LAMBERT Academic Publishing, 2010

    3838380347 / 9783838380346

    • Softcover
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    Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Rastogi ShivamReceived B.Tech Ed.degree in electronics and communication engineering from Jaypee University of Information Technology, India in 2010. My research interest includes analog integrated circuits, nanoelectronics, MEMS, se.…

  • Language: French

    Published by Editions Notre Savoir Jul 2022, 2022

    6204993712 / 9786204993713

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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Le nombre de documents textuels augmente à une vitesse incroyable et, très souvent, il est nécessaire de classer ces documents dans des catégories fixes prédéfinies. Les concepts de text mining et d'apprentissage automatique sont d'une grande aide dans cette tâche de classification automatique des documents. Puisque la classification est effectuée automatiquement, le classificateur doit être un bon classificateur afin qu'il y ait le moins d'erreurs de classification possible. Par conséquent, la précision de la classification est très importante et doit être prise en compte. Plusieurs facteurs peuvent affecter la précision de classification des classificateurs. L'un de ces facteurs est la méthode de sélection des caractéristiques utilisée pour réduire le nombre de caractéristiques dans les documents. Le gain d'information (IG) est l'une des méthodes les plus populaires utilisées pour cette tâche, mais cette méthode d'évaluation des meilleurs mots présente quelques lacunes. Dans notre travail, nous avons conçu une nouvelle formule pour évaluer les mots dans les documents et ainsi trouver les meilleurs mots qui sont plus utiles dans la tâche de classification. Notre méthode vise à trouver les mots qui ont un pouvoir de discrimination plus élevé que les autres et, par conséquent, nous avons nommé notre formule 'pouvoir de discrimination' (DP). 52 pp. Französisch.…

  • Language: English

    Published by LAP LAMBERT Academic Publishing Aug 2019, 2019

    6200282323 / 9786200282323

    • Softcover
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    Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germanybuchversandmimpf2000

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    Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The number of textual documents are increasing at an incredible rate and very often, there is a need to classify those documents into some fixed predefined categories. The concepts of text mining and machine learning help a lot in this task of automated document classification. Since the classification is being done automatically, the classifier needs to be a good classifier so that there are as less misclassifications as possible. Therefore, the classification accuracy is very important and needs to be taken care of. There are various factors that can affect the classification accuracy of classifiers. One of the factors is the Feature Selection method used to reduce the number of features in the documents. Information Gain (IG) is one of the most popular methods employed for this task but there are few shortcomings in this method of evaluating the better words. In our work, we have devised a new formula for evaluating the words in the documents and thus finding the better words which are more useful in the classification task. Our method aims to find those words which have more discriminating power than others and therefore, we have named our formula as Discriminating Power (DP).VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 52 pp. Englisch.…

  • Language: Spanish

    Published by Ediciones Nuestro Conocimiento, 2022

    6204993658 / 9786204993652

    • Softcover
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    Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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    Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - El número de documentos textuales está aumentando a un ritmo increíble y, muy a menudo, existe la necesidad de clasificar esos documentos en algunas categorías fijas predefinidas. Los conceptos de minería de textos y aprendizaje automático ayudan mucho en esta tarea de clasificación automática de documentos. Dado que la clasificación se realiza de forma automática, el clasificador debe ser bueno para que haya el menor número posible de errores de clasificación. Por lo tanto, la precisión de la clasificación es muy importante y hay que cuidarla. Hay varios factores que pueden afectar a la precisión de la clasificación de los clasificadores. Uno de los factores es el método de selección de características utilizado para reducir el número de características en los documentos. La ganancia de información (IG) es uno de los métodos más populares empleados para esta tarea, pero este método presenta algunas deficiencias a la hora de evaluar las mejores palabras. En nuestro trabajo, hemos ideado una nueva fórmula para evaluar las palabras de los documentos y así encontrar las mejores palabras que son más útiles en la tarea de clasificación. Nuestro método tiene como objetivo encontrar las palabras que tienen más poder de discriminación que otras y, por lo tanto, hemos llamado a nuestra fórmula Poder de Discriminación (DP).…

  • Language: English

    Published by LAP LAMBERT Academic Publishing Sep 2010, 2010

    3838380347 / 9783838380346

    • Softcover
    • Print on Demand

    Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germanybuchversandmimpf2000

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    Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -We have hitherto been using voltage mode elements like op-amps for implementation of various electronic circuits. These elements are used widely owing to their small sizes and good performance. Yet nowadays the demand for portable battery powered equipment is increasing. This issue can''t be solved with voltage mode elements as the voltage supply if reduced will cause problems with realizing circuits. Instead, current mode (CM) elements can be used for the same circuits and these issues can then be addressed. In this project, we have used Current Differencing Transconductance Amplifier (CDTA) as the active element operating in current-mode and applied it on various circuits. We have realized the circuits for comparator, second order high pass, second order low pass, second order band pass filters and Quadrature oscillators and analyzed using results how the performance of current mode elements is better than the voltage mode ones.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 72 pp. Englisch.…

  • Language: Spanish

    Published by Ediciones Nuestro Conocimiento Jul 2022, 2022

    6204993658 / 9786204993652

    • Softcover
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    Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germanybuchversandmimpf2000

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    Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -El número de documentos textuales está aumentando a un ritmo increíble y, muy a menudo, existe la necesidad de clasificar esos documentos en algunas categorías fijas predefinidas. Los conceptos de minería de textos y aprendizaje automático ayudan mucho en esta tarea de clasificación automática de documentos. Dado que la clasificación se realiza de forma automática, el clasificador debe ser bueno para que haya el menor número posible de errores de clasificación. Por lo tanto, la precisión de la clasificación es muy importante y hay que cuidarla. Hay varios factores que pueden afectar a la precisión de la clasificación de los clasificadores. Uno de los factores es el método de selección de características utilizado para reducir el número de características en los documentos. La ganancia de información (IG) es uno de los métodos más populares empleados para esta tarea, pero este método presenta algunas deficiencias a la hora de evaluar las mejores palabras. En nuestro trabajo, hemos ideado una nueva fórmula para evaluar las palabras de los documentos y así encontrar las mejores palabras que son más útiles en la tarea de clasificación. Nuestro método tiene como objetivo encontrar las palabras que tienen más poder de discriminación que otras y, por lo tanto, hemos llamado a nuestra fórmula Poder de Discriminación (DP).VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 52 pp. Spanisch.…

  • Language: French

    Published by Editions Notre Savoir, 2022

    6204993712 / 9786204993713

    • Softcover
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    Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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    Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Le nombre de documents textuels augmente à une vitesse incroyable et, très souvent, il est nécessaire de classer ces documents dans des catégories fixes prédéfinies. Les concepts de text mining et d'apprentissage automatique sont d'une grande aide dans cette tâche de classification automatique des documents. Puisque la classification est effectuée automatiquement, le classificateur doit être un bon classificateur afin qu'il y ait le moins d'erreurs de classification possible. Par conséquent, la précision de la classification est très importante et doit être prise en compte. Plusieurs facteurs peuvent affecter la précision de classification des classificateurs. L'un de ces facteurs est la méthode de sélection des caractéristiques utilisée pour réduire le nombre de caractéristiques dans les documents. Le gain d'information (IG) est l'une des méthodes les plus populaires utilisées pour cette tâche, mais cette méthode d'évaluation des meilleurs mots présente quelques lacunes. Dans notre travail, nous avons conçu une nouvelle formule pour évaluer les mots dans les documents et ainsi trouver les meilleurs mots qui sont plus utiles dans la tâche de classification. Notre méthode vise à trouver les mots qui ont un pouvoir de discrimination plus élevé que les autres et, par conséquent, nous avons nommé notre formule 'pouvoir de discrimination' (DP).…

  • Language: Portuguese

    Published by Edições Nosso Conhecimento Jul 2022, 2022

    6204993674 / 9786204993676

    • Softcover
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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    £ 34.30

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -O número de documentos textuais está a aumentar a um ritmo incrível e, muito frequentemente, há necessidade de classificar esses documentos em algumas categorias fixas pré-definidas. Os conceitos de mineração de texto e aprendizagem mecânica ajudam muito nesta tarefa de classificação automatizada de documentos. Uma vez que a classificação está a ser feita automaticamente, o classificador precisa de ser um bom classificador para que haja o menor número possível de classificações erradas. Por conseguinte, a exactidão da classificação é muito importante e precisa de ser cuidada. Há vários factores que podem afectar a exactidão da classificação dos classificadores. Um dos factores é o método de Selecção de Características utilizado para reduzir o número de características nos documentos. O Ganho de Informação (IG) é um dos métodos mais populares utilizados para esta tarefa, mas existem poucas deficiências neste método de avaliação das melhores palavras. No nosso trabalho, concebemos uma nova fórmula para avaliar as palavras nos documentos e assim encontrar as melhores palavras, que são mais úteis na tarefa de classificação. O nosso método visa encontrar as palavras que têm mais poder discriminatório do que outras e, portanto, nomeámos a nossa fórmula como Poder Discriminatório (DP). 52 pp. Portugiesisch.…

  • Language: German

    Published by Verlag Unser Wissen Jul 2022, 2022

    620499364X / 9786204993645

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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Die Zahl der Textdokumente nimmt in unglaublichem Tempo zu, und sehr oft besteht die Notwendigkeit, diese Dokumente in bestimmte vordefinierte Kategorien einzuordnen. Die Konzepte des Text Mining und des maschinellen Lernens sind bei dieser Aufgabe der automatischen Klassifizierung von Dokumenten sehr hilfreich. Da die Klassifizierung automatisch erfolgt, muss der Klassifizierer gut sein, damit möglichst wenige Fehlklassifizierungen auftreten. Daher ist die Klassifizierungsgenauigkeit sehr wichtig und muss beachtet werden. Es gibt verschiedene Faktoren, die die Klassifizierungsgenauigkeit von Klassifizierern beeinflussen können. Einer dieser Faktoren ist die Methode der Merkmalsauswahl, mit der die Anzahl der Merkmale in den Dokumenten reduziert wird. Der Informationsgewinn (Information Gain, IG) ist eine der populärsten Methoden, die für diese Aufgabe eingesetzt werden, aber diese Methode zur Bewertung der besseren Wörter weist einige Mängel auf. In unserer Arbeit haben wir eine neue Formel entwickelt, um die Wörter in den Dokumenten zu bewerten und so die besseren Wörter zu finden, die für die Klassifizierungsaufgabe nützlicher sind. Unsere Methode zielt darauf ab, diejenigen Wörter zu finden, die eine höhere Unterscheidungskraft als andere haben, und deshalb haben wir unsere Formel Discriminating Power (DP) genannt. 52 pp. Deutsch.…

  • Language: Italian

    Published by Edizioni Sapienza Jul 2022, 2022

    6204993720 / 9786204993720

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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Il numero di documenti testuali aumenta a un ritmo incredibile e molto spesso è necessario classificare questi documenti in alcune categorie predefinite. I concetti di text mining e machine learning aiutano molto in questo compito di classificazione automatica dei documenti. Poiché la classificazione viene eseguita automaticamente, il classificatore deve essere un buon classificatore in modo da ridurre al minimo gli errori di classificazione. Pertanto, l'accuratezza della classificazione è molto importante e deve essere curata. Esistono diversi fattori che possono influenzare l'accuratezza di classificazione dei classificatori. Uno di questi fattori è il metodo di selezione delle caratteristiche utilizzato per ridurre il numero di caratteristiche nei documenti. L'Information Gain (IG) è uno dei metodi più popolari utilizzati per questo compito, ma presenta alcune lacune nella valutazione delle parole migliori. Nel nostro lavoro, abbiamo ideato una nuova formula per valutare le parole nei documenti e trovare così le parole migliori che sono più utili nel compito di classificazione. Il nostro metodo mira a trovare le parole che hanno un maggiore potere discriminante rispetto alle altre e per questo abbiamo chiamato la nostra formula come Potere Discriminante (DP). 52 pp. Italienisch.…

  • Language: French

    Published by Editions Notre Savoir Jul 2022, 2022

    6204993712 / 9786204993713

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    Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germanybuchversandmimpf2000

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    Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Le nombre de documents textuels augmente à une vitesse incroyable et, très souvent, il est nécessaire de classer ces documents dans des catégories fixes prédéfinies. Les concepts de text mining et d'apprentissage automatique sont d'une grande aide dans cette tâche de classification automatique des documents. Puisque la classification est effectuée automatiquement, le classificateur doit être un bon classificateur afin qu'il y ait le moins d'erreurs de classification possible. Par conséquent, la précision de la classification est très importante et doit être prise en compte. Plusieurs facteurs peuvent affecter la précision de classification des classificateurs. L'un de ces facteurs est la méthode de sélection des caractéristiques utilisée pour réduire le nombre de caractéristiques dans les documents. Le gain d'information (IG) est l'une des méthodes les plus populaires utilisées pour cette tâche, mais cette méthode d'évaluation des meilleurs mots présente quelques lacunes. Dans notre travail, nous avons conçu une nouvelle formule pour évaluer les mots dans les documents et ainsi trouver les meilleurs mots qui sont plus utiles dans la tâche de classification. Notre méthode vise à trouver les mots qui ont un pouvoir de discrimination plus élevé que les autres et, par conséquent, nous avons nommé notre formule 'pouvoir de discrimination' (DP).VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 52 pp. Französisch.…

  • Language: German

    Published by Verlag Unser Wissen, 2022

    620499364X / 9786204993645

    • Softcover
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    Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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    Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Die Zahl der Textdokumente nimmt in unglaublichem Tempo zu, und sehr oft besteht die Notwendigkeit, diese Dokumente in bestimmte vordefinierte Kategorien einzuordnen. Die Konzepte des Text Mining und des maschinellen Lernens sind bei dieser Aufgabe der automatischen Klassifizierung von Dokumenten sehr hilfreich. Da die Klassifizierung automatisch erfolgt, muss der Klassifizierer gut sein, damit möglichst wenige Fehlklassifizierungen auftreten. Daher ist die Klassifizierungsgenauigkeit sehr wichtig und muss beachtet werden. Es gibt verschiedene Faktoren, die die Klassifizierungsgenauigkeit von Klassifizierern beeinflussen können. Einer dieser Faktoren ist die Methode der Merkmalsauswahl, mit der die Anzahl der Merkmale in den Dokumenten reduziert wird. Der Informationsgewinn (Information Gain, IG) ist eine der populärsten Methoden, die für diese Aufgabe eingesetzt werden, aber diese Methode zur Bewertung der besseren Wörter weist einige Mängel auf. In unserer Arbeit haben wir eine neue Formel entwickelt, um die Wörter in den Dokumenten zu bewerten und so die besseren Wörter zu finden, die für die Klassifizierungsaufgabe nützlicher sind. Unsere Methode zielt darauf ab, diejenigen Wörter zu finden, die eine höhere Unterscheidungskraft als andere haben, und deshalb haben wir unsere Formel Discriminating Power (DP) genannt.…

  • Language: Portuguese

    Published by Edições Nosso Conhecimento, 2022

    6204993674 / 9786204993676

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    Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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    £ 39.24

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    Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - O número de documentos textuais está a aumentar a um ritmo incrível e, muito frequentemente, há necessidade de classificar esses documentos em algumas categorias fixas pré-definidas. Os conceitos de mineração de texto e aprendizagem mecânica ajudam muito nesta tarefa de classificação automatizada de documentos. Uma vez que a classificação está a ser feita automaticamente, o classificador precisa de ser um bom classificador para que haja o menor número possível de classificações erradas. Por conseguinte, a exactidão da classificação é muito importante e precisa de ser cuidada. Há vários factores que podem afectar a exactidão da classificação dos classificadores. Um dos factores é o método de Selecção de Características utilizado para reduzir o número de características nos documentos. O Ganho de Informação (IG) é um dos métodos mais populares utilizados para esta tarefa, mas existem poucas deficiências neste método de avaliação das melhores palavras. No nosso trabalho, concebemos uma nova fórmula para avaliar as palavras nos documentos e assim encontrar as melhores palavras, que são mais úteis na tarefa de classificação. O nosso método visa encontrar as palavras que têm mais poder discriminatório do que outras e, portanto, nomeámos a nossa fórmula como Poder Discriminatório (DP).…