Major Conference Proceedings on Data Mining

ACM SIGKDD (Knowledge Discovery and Data Mining)
ACM SIGIR Conference on Information Retrieval
ACM SIGMOD (Management of Data)
VLDB (VERY LARGE DATE BASE)
IEEE ICDM (IEEE International Conference on Data Mining)
SIAM SDM (SIAM Data Mining conference)
IEEE ICDE International Conference on Data Engineering
IEEE ICML International Conference on Machine Learning
WWW （International World Wide Web Conference）

and other related conferences.