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N-GRAM AND LOCAL CONTEXT ANALYSIS FOR PERSIAN TEXT RETRIEVAL
by Farhad Oroumchian A, Abolfazl Aleahmad A, Parsia Hakimian A, Farzad Mahdikhani A http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.131.8268

Modeling documents for structure recognition using generalized n-grams (1997) by R. Brugger, A. Zramdini, R. Ingoldin
Proceedings of ICDAR
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.47.2338

Discovering characteristic expressions from literary works: A new text analysis method beyond n-gram and kwic (2001)
by Masayuki Takeda, Tetsuya Matsumoto, Tomoko Fukuda, Ichirō Nanri
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.129.5337