Networks, Communities, and Groups -- How Well Do Doodle Polls Do -- Bring on Board New Enthusiasts! A Case Study of Impact of Wikipedia Art + Feminism Editathon Events on Newcomers -- The Social Dynamics of Language Change in Online Networks -- On URL Changes and Handovers in Social Media -- CommentProfiler: Detecting trends and parasitic behaviors in online comments -- On Profiling Bots in Social Media -- A Diffusion Model for Maximizing Influence Spread in Large Networks -- Lightweight Interactions for Reciprocal Cooperation in a Social Network Game -- Continuous Recipe Selection Model based on Cooking History -- Politics, News, and Events -- Examining Community Policing on Twitter: Precinct Use and Community Response -- The Dynamics of Group Risk Perception in the US After Paris Attacks -- Determining the veracity of rumours on Twitter -- PicHunt: Social Media Image Retrieval for Improved Law Enforcement -- TwitterNews+: A Framework for Real Time Event Detection from the Twitter Data Stream -- Uncovering Topic Dynamics of Social Media and News: the Case of Ferguson -- Identifying Partisan Slant in News Articles and Twitter during Political Crises -- Predicting Poll Trends using Twitter and Multivariate Timeseries Classification -- Inferring Population Preferences via Mixtures of Spatial Voting Models -- Contrasting Public Opinion Dynamics and Emotional Response during Crisis -- Social Politics: Agenda Setting and Political Communication on Social Media -- Markets, Crowds, and Consumers -- Preference Aware Successive POI Recommendation With Spatial and Temporal Influence -- User Recommendation in Event based Social Networks -- An Effective Approach to Finding a Context Path in Review Texts Using Pathfinder Scaling -- How to find accessible Free WiFi at Tourist Spots in Japan -- Privacy, Health and Wellbeing -- Mobile Communication Signatures of Unemployment -- Identifying Stereotypes in the Online Perception of Physical Attractiveness -- What Makes A Good Professor? An Analysis of Students' Evaluations across Institutions, Disciplines, and Cultures -- Detecting Coping Style from Twitter -- User Privacy Concerns with Common Data Used in Recommender Systems -- How a user's personality influences content engagement in social media -- Semisupervised knowledge extraction for detection of drugs and their effects -- Using Social Media to Measure Student Wellbeing: A LargeScale Study of Emotional Response in Academic Discourse -- EmojiNet: Building a Machine Readable Sense Inventory for Emoji.