portada Identification of Significant Keywords from Gujarati Text Documents (en Inglés)

Identification of Significant Keywords from Gujarati Text Documents (en Inglés)

Formato

Libro Físico

Autor

Hardik Joshi

Editorial

LAP Lambert Academic Publishing

Idioma

Inglés

N° páginas

164

Encuadernación

Tapa Blanda

Dimensiones

22.9x15.2x1 cm

Peso

0.25 kg.

ISBN13

9786200082763

Categorías

Tecnología de la información: cuestiones generales

Identification of Significant Keywords from Gujarati Text Documents (en Inglés)

Hardik Joshi (Autor) · LAP Lambert Academic Publishing · Tapa Blanda

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Reseña del libro "Identification of Significant Keywords from Gujarati Text Documents (en Inglés)"

Information Retrieval(IR) systems are gaining importance due to wide range of applications like recommender systems, search engines, etc., however, most of the IR systems use statistical methods built on top of bag-of-words approach for text retrieval. Graph-of-words approach is an alternative to bag-of-words approach that uses graph theoretic methods to rank keywords and related documents. We represent text documents as graphs whose vertices correspond to the unique terms belonging to the document. The edges represent co-occurrences between the terms. The underlying assumption is that the terms that co-occur have some sort of semantic relationship that can be harnessed for IR systems. The significant terms can be extracted using graph centrality measures. In this book, we have proposed a novel graph-of-words indexing technique using eigenvector scores that uses case separation for Gujarati language. We compared the performance of IR systems of our approach over the classical bag-of-words approach, mean average precision (MAP) values obtained in our experiments show that our approach has shown significant improvement over classical approaches.