天文学中的数据挖掘和知识发现

综述了数据挖掘和知识发现在天文学中兴起的必然性及其这几年的发展状况、实现过程和具体任务。分析了当前天文数据的复杂性，介绍了天文学中数据挖掘的科学要求。系统地概括了近年来天文学中数据挖掘和知识发现领域研究的进展及其热点，并阐述了其所面临的挑战。天文学中的数据挖掘和知识发现的兴起将对天文学的发展起到巨大的推动作用，同时也在知识和技术等方面对天文学家提出了新的要求。另外，数据挖掘技术能否在虚拟天文台中成功应用，是虚拟天文台充分发挥作用的关键所在。

Data Mining and Knowledge Discovery in Database of Astronomy

The necessity of data mining and knowledge discovery in database of astronomy, as well as its development in recent years, process and tasks, are reviewed. The complex characteristics of present astronomical data are analyzed, and the science requirements of data mining in astronomy are introduced. Simultaneously, the research development, hot topic and challenges in the filed of data mining and knowledge discovery in database are summarized. Its existence and development will have a prospect of wide applications in the 21st century, a great push to astronomy and also provide new challenges of knowledge and technology to astronomers. In addition, the successful applications of data mining technology in the Virtual Observatory is an important factor for its sufficient exertion.