The document discusses the role of Internet of Things (IoT) and big data in agriculture, specifically in wine production, as part of the BigDataGrapes project funded by the EU's Horizon 2020 program. It highlights how contextual data can enhance decision-making processes related to grapevine management and product quality, utilizing advanced technologies for data mining and analytics. Key challenges in data management, processing, analytics, and visualization are also addressed, emphasizing the importance of knowledge graphs in supporting decision-making.