Integration of text and documents into database management systems has been the subject of much research. However, most of the approaches are limited to data retrieval. Collaborative text editing, i.e. the ability for multiple users to work on a document instance simultaneously, is rarely supported. Also, documents mostly consist of plain text only, and support very limited meta data storage or...

Most text categorization methods require text content of documents that is often difficult to obtain. We consider “Collaborative Text Categorization”, where each document is represented by the feedback from a large number of users. Our study focuses on the semisupervised case in which one key challenge is that a significant number of users have not rated any labeled document. To address this pr...

This paper presents a collaborative writing system which has been conceived to be used by teachers as a collaborative learning tool in distance learning courses. Besides enabling students to communicate with each other and elaborate a text in a collaborative way, the system has an embedded text mining tool to enable teachers to extract graphs from student’s writings. The graphs give teachers a ...

Writing is a form of communication. Writing together is a process of negotiating for content and meaning of a text. Tools to support collaborative writing must take into consideration the communication which takes place both around and through the text. An extended field study of two groups of four grade six students was carried out to explore the impact of a shared text editor on communication...

computer-supported collaborative learning (cscl) is a new trend in educational sciences. this study investigates how knowledge sharing and transferring can be facilitated by using cscl in a problem-solving setting. intervention of research is education regarding sustainable water resources management (swrm) by computer-supported collaborative learning (cscl). the purpose of this research was to...