Research of Information Retrieval in the Cloud Computing Environment

With the rapid development of the cloud computing, massive information is distributed in the structure "cloud storage", leading to the heterogeneous data sources, and the "lost phenomenon" may occur in the process of information retrieval. To solve this problem, this paper builds the heterogeneous data integration model in the cloud computing environment, which includes three layers and five function modules: data acquisition and analysis interface in the cloud, data organization task scheduling engine, and heterogeneous data integrated interface based on the ontology. Also, common technologies used in unified retrieval of heterogeneous data resources are presented in this paper, such as parallel retrieval technology, server cluster retrieval technology, webpage\´s deep mining technology and retrieval database sharing technology.