关键词：大数据；链接数据；专利数据；高度结构化；语义网
摘 要：Big Data is currently a big topic in the world. It is a commonly used term to describe data that exceeds the processing capacity of on hand database management tools. We often use 4V (Volume, Variety, Velocity and Value) to describe its characteristics. Big Data can be structured or unstructured data that has potential values behind them. It is of vital importance to extract and analysis the valuable information in Big Data.On the other hand, Linked Data is a new concept for most of the people. Linked Data refers to the collection of interrelated datasets that can be publishing and sharing on the web. Unlike Big Data, Linked Data is highly structured. It is used to build the Semantic Web which huge amount of data on the web are available in standard format. The technologies enable people to figure out more advanced analytical questions by querying the data and drawing inferences using vocabularies.