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Link to original content: https://doi.org/10.21437/Interspeech.2011-440
This paper proposes a method for the unsupervised learning of place-names from pairs of a spoken utterance and a localization result, which represents a current location of a mobile robot, without any priori linguistic knowledge other than a phoneme acoustic model. In previous work, we have proposed a lexical learning method based on statistical model selection. This method can learn the words that represent a single object, such as proper nouns, but cannot learn the words that represent classes of objects, such as general nouns. This paper describes improvements of the method for learning both a phoneme sequence of each word and a distribution of objects that the word represents.