**4. Conclusion**

In this chapter, we reviewed the latest developments of NLP techniques in the domain of geoscience to accelerate knowledge discovery from geological literature and deepen our understanding about the Earth. From the review, it was concluded that the researches of text mining in geoscience are still in the early stage. Most current researches focus on the literature structuralization and simple information extraction at a single document scale. The information integration and knowledge discovery from the big data of geological literature require further work and will lead to a lot of innovative research topics and applications.

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