Abstract
The use of text retrieval methods based on the probabilistic model with Chinese language material is discussed. Since Chinese text has no natural word boundaries, we must either apply a dictionary‐based word segmentation method to the text, or index and search in terms of single Chinese characters. In either case, it becomes important to have a good way of dealing with phrases or contiguous strings of characters; the probabilistic model does not at present have such a facility. Some ad hoc modificatkions of the probabilistic weighting function and matching method are proposed for this purpose.
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