Chronological Ordering Based on Context Overlap Detection

Mohamed H. Haggag and Bassma M. Othman
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Mohamed H. Haggag: Department of Computer Science, Faculty of Computers & Informantion, Helwan University, Cairo, Egypt
Bassma M. Othman: Department of Computer Science, Faculty of Computers & Informantion, Helwan University, Cairo, Egypt

International Journal of Information Retrieval Research (IJIRR), 2012, vol. 2, issue 4, 31-44

Abstract: Context processing plays an important role in different Natural Language Processing applications. Sentence ordering is one of critical tasks in text generation. Following the same order of sentences in the row sources of text is not necessarily to be applied for the resulted text. Accordingly, a need for chronological sentence ordering is of high importance in this regard. Some researches followed linguistic syntactic analysis and others used statistical approaches. This paper proposes a new model for sentence ordering based on sematic analysis. Word level semantics forms a seed to sentence level sematic relations. The model introduces a clustering technique based on sentences senses relatedness. Following to this, sentences are chronologically ordered through two main steps; overlap detection and chronological cause-effect rules. Overlap detection drills down into each cluster to step through its sentences in chronological sequence. Cause-effect rules forms the linguistic knowledge controlling sentences relations. Evaluation of the proposed algorithm showed the capability of the proposed model to process size free texts, non-domain specific and open to extend the cause-effect rules for specific ordering needs.

Date: 2012
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