The following are a few top-tier academic conferences with the latest algorithms:
- Knowledge Discovery in Databases (KDD)
- Computer Vision and Pattern Recognition (CVPR)
- Annual Conference on Neural Information Processing Systems (NIPS)
- International Conference on Machine Learning (ICML)
- International Conference on Data Mining (ICDM)
- International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp)
- International Joint Conference on Artificial Intelligence (IJCAI)
Some business conferences are as follows:
- O'Reilly Strata Conference
- The Strata + Hadoop World Conferences
- Predictive Analytics World
- MLconf
You can also check local meet-up groups.