Kavram Haritalarının Otomatik Oluşturulmasına Yönelik Web Tabanlı Bir Uygulama Geliştirilmesi

Kavram haritaları, belirli bir konu alanında bulunan kavramlar arasındaki ilişkilerin tanımlanmasını sağlayan iki boyutlu görsel araçlardır. Bilgilerin grafiksel olarak gösteriminin öğrenme sürecine olumlu yönde katkısının bulunduğu çeşitli araştırmalarda belirtilmesine karşın, özellikle metin yoğunluğu yüksek olan içeriklerde kavram haritalarının oluşturulması beraberinde bazı güçlükleri getirmektedir. Bu güçlüklerin üstesinden gelmek amacıyla, kavram haritalarının otomatik oluşturulmasına yönelik araştırmaların gerçekleştirildiği, ancak bu tür çalışmalarda kullanılan algoritmalar genellikle dil yapısına özel olarak geliştirildiğinden ortaya konan ürünlerin Türkçe dil yapısı ile uyum göstermediği görülmektedir. Bu noktadan hareketle bu araştırmada, terim frekansı ve devrik doküman frekansı algoritmaları kullanılarak Türkçe metinler için kavram haritalarının oluşturulmasına yönelik web tabanlı bir uygulama geliştirilmiş ve geliştirilen uygulama www.kavramharitasiolustur.com adresinden yayınlanmıştır. Uygulama aracılığıyla oluşturulan kavram haritaları, web tabanlı öğrenme ortamlarında doğrudan kullanılabilecek formatta indirilebilmektedir.

Anahtar Kelimeler:

kavram haritası, bilgi haritası, terim frekansı, devrik döküman frekansı, metin madenciliği

Development of a Web-Based Application for the Automatic Creation of Concept Maps

Concept maps are two-dimensional visual tools providing the definition of the relationships between the concepts in a certain subject area. Although various studies indicate that the graphical display of information has a positive contribution to the process of learning, the creation of concept maps in contents especially with a high text density brings some difficulties with it. It is observed that since studies are conducted on the automatic creation of concept maps for the purpose of overcoming these difficulties, but the algorithms used in these kinds of studies are generally developed according to the language structure, the products introduced do not adjust to the language structure of Turkish. From this viewpoint, a web-based application was developed for the creation of concept maps for Turkish texts by using the term frequency and inverse document frequency algorithms and the application developed was published at www.kavramharitasiolustur.com. The concept maps created by the application can be downloaded in a format that can be used directly in web-based learning environments.

Keywords:

concept map, knowledge map, term frequency, inverse document frequency, text mining,

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