 In our research, we separate the assessments of future economic conditions into  near and distant future economic conditions using learning from positive and unlabeled data (PU learning) , which is weakly supervised learning.
<fluency>  In our research, we separate the assessments of future economic conditions into  near and distant future economic conditions using learning from positive and unlabeled data (PU learning) , which is weakly supervised learning.
 In our research, we separate the assessments of future economic conditions into near and distant future using learning from positive and unlabeled data (PU learning) , which is weakly supervised learning.