Big Data pose special challenges on geo data, touching upon all the V keywords, like Volume, Velocity, Variety, and Veracity. Simultaneously, demands are massively increasing, from the traditional file download to allowing customers to build their own spatio-temporal product on the fly. This seminar introduces to the key Big Geo Data standards of OGC and ISO. It explains their mechanics, use, and scalability capabilities by way of many illustrations as well as hands-on test services. An outlook will be given to current discussions and future directions in several relevant standardization bodies. The seminar is suitable for both beginners with some background in geo Web services, as well as for experts and implementers.