Language Model Based on Word Order Sensitive Matrix Representation in Latent Semantic Analysis for Speech Recognition. - Welly Naptali; Masatoshi Tsuchiya; Seiichi Nakagawa (CSIE (7), 2009)

Topic dependent language model based on topic voting on noun history. - Welly Naptali; Masatoshi Tsuchiya; Seiichi Nakagawa (INTERSPEECH, 2009)

Integration of cache-based model and topic dependent class model with soft clustering and soft voting. - Welly Naptali; Masatoshi Tsuchiya; Seiichi Nakagawa (INTERSPEECH, 2010)

Topic dependent class based language model evaluation on automatic speech recognition. - Welly Naptali; Masatoshi Tsuchiya; Seiichi Nakagawa (SLT, 2010)

Topic-Dependent Language Model with Voting on Noun History. - Welly Naptali; Masatoshi Tsuchiya; Seiichi Nakagawa (ACM Trans. Asian Lang. Inf. Process., 2010)

Class-Based N-Gram Language Model for New Words Using Out-of-Vocabulary to In-Vocabulary Similarity. - Welly Naptali; Masatoshi Tsuchiya; Seiichi Nakagawa (IEICE Trans. Inf. Syst., 2012)

Topic-Dependent-Class-Based $n$-Gram Language Model. - Welly Naptali; Masatoshi Tsuchiya; Seiichi Nakagawa (IEEE Trans. Speech Audio Process., 2012)