Subwebs for specialized search
Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval
Using query context models to construct topical search engines
Proceedings of the third symposium on Information interaction in context
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Extracting domain-specific entity-relationships is useful in a wide variety of applications. For example, knowledge of camera companies and their product hierarchies can help photography-related search engines greatly in improving search interfaces. In this paper we describe an unsupervised approach for extracting prominent domain specific entity-relationships from query logs. Our approach is complementary to other entity extraction methods. It first constructs a weighted directed graph with query keywords as nodes and then prunes out edges not likely to represent useful relations. Experiments with multiple domains show promising results with over 80% precision.