Artificial Neural Networks (ANN) Collaborative filtering Computational Intelligence (CI) Connectionist Text Summarizer ECTS (ECTS) Evolving Connectionist systems Evolving systems Fuzzy systems (FS) ISSN Learning Part of Speech (POS) disambiguation Ranking system Retrieval Number classification normalized discounted cumulative gain power law rank improvement method ranking algorithm ranking in e-learning environment reputation in website reputation system semi-splay splay Tree Data Structure splay tree