1. What makes apis hard to learn? answers from developers;M P Robillard;IEEE software,2009
2. Mapo: Mining and recommending api usage patterns;H Zhong;European Conference on Object-Oriented Programming,2009
3. Portfolio: finding relevant functions and their usage;C Mcmillan;Proceedings of the 33rd International Conference on Software Engineering,2011
4. Api usage pattern recommendation for software development;H Niu;Journal of Systems and Software,2017
5. Api method recommendation without worrying about the task-api knowledge gap;Q Huang;33rd IEEE/ACM International Conference on Automated Software Engineering (ASE),2018