issue 2 publication date 2019-06-01

• Big Data Analytics and Now-casting: A Comprehensive Model for Eventuality of Forecasting and Predictive Policies of Policy-making Institutions
• Text Analytics of Customers on Twitter: Brand Sentiments in Customer Support
• A Grouping Hotel Recommender System Based on Deep Learning and Sentiment Analysis
• Identifying the Determinant Factors of E-Service Innovations: A Qualitative Meta-Synthesis
• Effective Learning to Rank Persian Web Content
• Employing the Technology Acceptance Model to Explore the Trends of Social Media Adoption and its Effect on Perceived Usefulness and Perceived Ease of Use