Construction of Multi-Modal Information Resource Acquisition Strategy under Ubiquitous Network Environment

摘要

Because of the crisis of unexpected events, data sources are complex and diverse. The application of the phrase weight measurement technique and the network user free marking technology in large data technology, transform the multimodal crisis information into a single information source, An integrated model for the extraction of crisis information was established. The integrative course includes three processes: Collect information; Extract features; Describe and storage metadata. Realizing the integration of different sources of information sources, To provide a uniform information platform for emergency response of the crisis.