This book constitutes the refereed post-conference proceedings of the Third IFIP TC 12 International Conference on Computational Intelligence in Data Science, ICCIDS 2020, held in Chennai, India, in February 2020.The 19 revised full papers and 8 revised short papers presented were carefully reviewed and selected from 94 submissions.

Computational Intelligence for Text Analysis.- Emotion Recognition in Sentences- A Recurrent Neural Network Approach.- Context Aware Contrastive Opinion Summarization.- Tamil Paraphrase Detection Using Encoder-Decoder Neural Networks.- Trustworthy User Recommendation using Boosted Vector Similarity Measure.- Sensitive Keyword Extraction based on Cyber Keywords and LDA in Twitter to Avoid Regrets.- Sentiment Analysis of Bengali Tweets Using Deep Learning.- Social media Veracity Detection System using Calibrate Classifier.- A Thesaurus based Semantic Relation Extraction for Agricultural Corpora.- Irony Detection in Bengali Tweets: A New Dataset, Experimentation and Results.- Computational Intelligence for Image and Video Analysis.- Bat algorithm with CNN parameter tuning for lung nodule false positive reduction.- A Secure Blind Watermarking Scheme using Wavelets, Arnold Transform and QR decomposition.- Role of Distance Measures in Approximate String Matching Algorithms forFace Recognition System S.- Detection Of Human Faces In Video Sequences Using Mean of GLBP Signatures.- Malware Family Classification Model Using User Defined Features and Representation Learning.- Fabric Defect Detection Using YOLOv2 and YOLOv3 Tiny.- Automatic questionnaire and interactive session generation from videos.- Effective Emotion Recognition from Partially Occluded Facial Images Using Deep Learning.- Driveable Area Detection Using Semantic Segmentation Deep Neural Network.- Data Science.- WS-SM: Web Services - Secured Messaging Framework with pluggable APIs.- Online Product Recommendation System Using Multi scenario Demographic Hybrid (MDH) Approach.- Simulation of Path Planning Algorithms using Commercially Available Road Datasets with Multi-modal Sensory Data.- Implementation of Blockchain-Based Blood Donation Framework.- IoT based Crop-field Monitoring and Precise Irrigation System Using Crop Water Requirement.- A Machine Learning Study of Comorbidity of Dyslexiaand Attention Deficiency Hyperactivity Disorder.- A Chaotic Particle Swarm Optimization Algorithm for Solving Single Machine Total Weighted Tardiness Problem.- Program Synthesis : Synthesizing Operators For Integer Manipulation.- Location Based Recommender Systems (LBRS) - A Review.