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additional ordering present in a lattice or CN is discarded. TMW lists compactly summarize a large ASR search space. Representing a large search space is critical for STD metrics such as ATWV that heavily penalize misses of rare keywords. Comparisons on the OpenKWS 2014 Tamil limited language pack task [1] show that the new TMW
In this paper, we present a fast, vocabulary independent algorithm for spoken term detection (STD) that demonstrates a word-based index is sufficient to achieve good performance for both in-vocabulary (IV) and out-of-vocabulary (OOV) terms. Previous approaches have required that a separate index be built at the sub-word level and then expanded to allow for matching OOV terms. Such a process, while...
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