The following publications are possibly variants of this publication:
- Multilayer subword units for open-vocabulary spoken document retrievalShi-wook Lee, Kazuyo Tanaka, Yoshiaki Itoh. interspeech 2004: 1553-1556 [doi]
- Open-vocabulary spoken document retrieval based on new subword models and subword phonetic similarityKohei Iwata, Yoshiaki Itoh, Kazunori Kojima, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee. interspeech 2006: [doi]
- Open vocabulary spoken document retrieval by subword sequence obtained from speech recognizerGo Kuriki, Yoshiaki Itoh, Kazunori Kojima, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee. slt 2008: 301-304 [doi]
- An integration method of retrieval results using plural subword models for vocabulary-free spoken document retrievalYoshiaki Itoh, Kohei Iwata, Kazunori Kojima, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee. interspeech 2007: 2389-2392 [doi]
- Two-stage vocabulary-free spoken document retrieval - subword identification and re-recognition of the identified sectionsYoshiaki Itoh, Takayuki Otake, Kohei Iwata, Kazunori Kojima, Masaaki Ishigame, Kazuyo Tanaka, Shi-wook Lee. interspeech 2006: [doi]