Huihsin Tseng

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This paper describes a classifier that assigns semantic thesaurus categories to unknown Chinese words (words not already in the CiLin thesaurus and the Chinese Electronic Dictionary, but in the Sinica Corpus). The focus of the paper differs in two ways from previous research in this particular area. This paper does not address proper nouns, focusing rather(More)
We propose a simple yet effective approach to context sensitive synonym discovery for Web search queries based on co-click analysis; i.e., analyzing queries leading to clicking same documents. In addition to deriving word based synonyms, we also derive concept based synonyms with the help of query segmentation. Evaluation results show that this approach(More)
User clicks on a URL in response to a query are extremely useful predictors of the URL's relevance to that query. Exact match click features tend to suffer from severe data sparsity issues in web ranking. Such sparsity is particularly pronounced for new URLs or long queries where each distinct query-url pair will rarely occur. To remedy this, we present a(More)
Search with synonyms is a challenging problem for Web search, as it can easily cause intent drifting. In this paper, we propose a practical solution to this issue , based on co-clicked query analysis, i.e., analyzing queries leading to clicking the same documents. Evaluation results on Web search queries show that synonyms obtained from this approach(More)
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