15. The apparatus according to claim 9 , wherein the topic determination module comprises: a query unit, configured to query a topic corresponding to each label from the label-topic correspondence, the label-topic correspondence comprising: a correspondence between each label and each topic, and a probability that each label belongs to a corresponding topic; an adding unit, configured to add, each topic found by the query unit, probabilities corresponding to labels that belong to the topic, to obtain a probability value of the topic; and an ordering unit, configured to arrange an order of each topic according to a descending order of probability value, to obtain the first n topics corresponding to the user.
9. A network service recommendation apparatus, wherein the apparatus comprises: a retrieval module, configured to retrieve, according to a historical browsing record of a user during use of a network service, a label corresponding to each network service used by the user; a topic determination module, configured to determine, according to a label-topic correspondence, and by using the label that is retrieved by the retrieval module and corresponds to each network service used by the user, first n topics corresponding to the user, the first n topics being top n topics according to a descending order of browsing probability of the user, and n being a positive integer; an acquisition module, configured to acquire, according to a topic-network service correspondence, respective corresponding recommended network service lists of the first n topics determined by the topic determination module, the recommended network service list of each topic comprising at least one network service; and a recommendation module, configured to recommend a network service to the user according to the respective corresponding recommended network service lists, of the first n topics, acquired by the acquisition module.