| Comparison of Word and Subword Indexing Techniques for Mandarin Chinese Spoken Document Retrieval Recent countries visiting this post |  |
 | 5 | United States |
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| Comparison of Word and Subword Indexing Techniques for Mandarin Chinese Spoken Document Retrieval Recent countries visiting this post | |
| 5 | United States |
| 1 | Germany |
| 1 |