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Lecture Notes in Computer Science
The performance of search personalisation largely depends on how to build user profiles effectively. Many approaches have been developed to build user profiles using topics discussed in relevant documents, where the topics are usually obtained from human-generated online ontology such as Open Directory Project. The limitation of these approaches is that many documents may not contain the topics covered in the ontology. Moreover, the human-generated topics require expensive manual effort todoi:10.1007/978-3-319-16354-3_67 fatcat:wupyd4xktjcmxbl2izimkjhxb4