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A Testbed for Indonesian Text Retrieval.
Indonesia is the fourth most populous country and a close neighbour of Australia. However, despite media and intelligence interest in Indonesia, little work has been done on evaluating Information Retrieval techniques for Indonesian, and no standard testbed exists for such a purpose. An effective testbed should include a collection of documents, realistic queries, and relevance judgements. The TREC and TDT testbeds have provided such an environment for the evaluation of English, Mandarin, and Arabic text retrieval techniques. The NTCIR testbed provides a similar environment for Chinese, Korean, Japanese, and English. This paper describes an Indonesian TREC-like testbed we have constructed and made available for the evaluation of ad hoc retrieval techniques. To illustrate how the test collection is used, we briefly report the effect of stemming for Indonesian text retrieval, showing — similarly to English — that it has little effect on accuracy.