“…Technique Source The Greedy Reranking Algorithm [46] Anytime Algorithm [47] Prediction score for nearest-neighbour algorithms [48] Collaborative filtering [49], [50], [51] Learning algorithm [43] Joint modelling of multiple related problems [52] Data mining [24] Blockchain, Algorithm [53] Support Vector Machine (SVM), Multi-view Bi-Clustering, [23] Classification Linear Bayes Normal, Rule-Based Reasoning Big data and cloud architecture [22] API [54] Case based reasoning [55] Fuzzy thesauri [18] Decision trees, Rule based, and Semantic technologies [56] Machine learning algorithm, Data mining [17], [57] Neural networks [16] Fuzzy logic, Rule based [15], [20], [58], [40] Artificial Neural Network (ANN) [59] Big data [13] Forward-search backward-induction algorithm [11] Machine learning [26] Fuzzy logic, Collaborative filtering [31] Adaptive [30], [42], [60] Fuzzy cognitive maps [29] Algorithm [28], [61], [35], [41], [62] SQL query [63] Natural language processing [32] Ontology based [34], [36] Nearest neighbour [64] Content-b...…”