18-NLP for social media-2.pdf - Natural Language Processing for Social media Introduction to Computational Thinking and Data Science A Farzindar

18-NLP for social media-2.pdf - Natural Language Processing...

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Natural Language Processing for Social media Introduction to Computational Thinking and Data Science A. Farzindar [email protected]
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Outline Linguistic Preprocessing Applications& Tasks Health care applications Financial applications Predicting voting intentions Security and defence applications Disaster response applications NLP-based user modelling NLP-based information visualisation Applications for entertainment Social media monitoring Event identification Opinion mining and emotion analysis Geo-location detection Summarization Machine translation Case study
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Social media Over the last few years, there has been a growing public and enterprise interest in social media Interests: the ability for users to create and share content via a variety of social media platforms.
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Data, Information, Knowledge and wisdom
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Social Media Analytics Social media Analytics: Convert raw information into actionable intelligence Data Collection : Collecting, inspecting, and cleaning Data Processing and exploitation :transformingand appliedNLP Analysis and production : answeringthe original tasking Dissemination : Business Intelligence, Communication and support Decision Making.
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Semantic Analysis in Social Media Understand strategic, operational and tactical intelligence uses of social media. Development of automated tools and algorithms for monitoring, capturing, and analysing big data collected from social media for behaviour prediction .
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Understanding Social behavior The unprecedentedvolume and variety of user-generated content as well as the user interaction network New opportunities for understanding social behavior and building socially-aware systems.
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What is a Social Network A SOCIAL STRUCTURE made up of a set of actors (such as individuals or organizations) & the relationships/interactions between these actors Social network perspective: to model the structure of a social group how this structure influences other variables how structures change over time.
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Social media platforms and their characteristics Type Characteristics Examples Social networks A social networking website allows the user to build a web page and connect witha friend or other acquaintance in order to share user-generated content. MySpace, Facebook, LinkedIn, Meetup, Google Plus+ Blog and Blog Comments A blog is an online journal where the blogger can create the content and display it in reverse chronological order. Blogs are generallymaintained by a person or a community. Blog comments are posts by users attached to blogs or online newspaper posts. Huffington Post, Business Insider, Engadget and online journals Microblogging A microblog is similar toa blog witha limited post in the form of multimedia andother content.
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