City Labs - Introduction -- FlowSampler: Visual Analysis of Urban Flows in Geolocated Social Media Data -- Policing Engagement via Social Media -- Digital Social Media to Enhance the Public Realm in Historic Cities -- Privacy Preserving Energy Management -- DaTactic, Data with Tactics: Description and Evaluation of a New Format of Online Campaigning for NGOs -- Online Communication in Apartment Buildings -- Experiments for a Real Time Crowdsourced Urban Design -- How Can City Labs Enhance the Citizens' Motivation in Different Types of Innovation Activities? -- Criminal Network Analysis and Mining (CRIMENET 2014) - Introduction -- Understanding Crime Networks: Actors and Links -- The (not so) Critical Nodes of Criminal Networks -- A Literature-Based Approach to a Narco-Network -- The Spatial Structure of Crime in Urban Environments -- Emergence of Extreme Opinions in Social Networks -- Using Societal Impact Assessment (SIA) to Improve Technological Development in the Field of Crime Prevention -- What's in a Dyad? Interaction and Exchange in Social Media - Introduction -- Triad-Based Role Discovery for Large Social Systems -- A Tool-Based Methodology to Analyze Social Network Interactions in Cultural Fields: The Use Case ''MuseumWeek'' -- Detecting Presence of Personal Events in Twitter Streams -- Digital Addiction Ontology for Social Networking Systems -- EGG 2014: Exploration on Games and Gamers - Introduction -- Initial Exploration of the Use of Specific Tangible Widgets for Tablet Games -- Generosity as Social Contagion in Virtual Community -- Developing Game-Structure Sensitive Matchmaking System for Massive-Multiplayer Online Games -- Linguistic Analysis of Toxic Behavior in an Online Video Game. -Informal In-Game Help Practices in Massive Multiplayer Online Games -- Social Network Analysis of High-Level Players in Multiplayer Online Battle Arena Game -- The 2nd HistoInformatics Workshop - Introduction -- Learning to Identify Historical Figures for Timeline Creation fromWikipedia Articles -- Mapping the Early Modern News Flow: An Enquiry by Robust Text Reuse Detection -- Linking Historical Ship Records to a Newspaper Archive -- Digital Chronofiles of Life Experience -- Mapping Memory Landscapes in nodegoat -- Mining Ministers (1572-1815). Using Semi-structured Data for Historical Research -- New European Integration History -- The EHRI Project - Virtual Collections Revisited -- Developing Onomastic Gazetteers and Prosopographies for the Ancient World Through Named Entity Recognition and Graph Visualization: Some Examples from Trismegistos People -- Can Network Analysis Reveal Importance? Degree Centrality and Leaders in the EU Integration Process -- SEDNAM - Socio-Economic Dynamics: Networks and Agent-Based Models -- Reconstructing Topological Properties of Complex Networks Using the Fitness Model -- The Structure of Global Inter-firm Networks -- Generalized Friendship Paradox: An Analytical Approach -- Collective Intelligence-Based Sequential Pattern Mining Approach for Marketing Data -- Workshop on Social Influence - SI 2014 - Introduction -- Naming Game Dynamics on Pairs of Connected Networks with Competing Opinions -- Threshold of Herd Effect for Online Events in China -- Identifying Bridges for Information Spread Control in Social Networks -- Think Before RT: An Experimental Study of Abusing Twitter Trends -- SoHuman 2014 - 3rd International Workshop on Social Media in Crowdsourcing and Human Computation - Introduction -- CrowdMonitor: Monitoring Physical and Digital Activities of Citizens During Emergencies -- Crowd Work CV: Recognition for Micro Work -- Means and Roles of Crowdsourcing Vis-À-Vis CrowdFunding for the Creation of Stakeholders Collective Benefits -- On Utilizing Player Models to Predict Behavior in Crowdsourcing Tasks. -Comparing Human and Algorithm Performance on Estimating Word-Based Semantic Similarity -- Mobile Picture Guess: A Crowdsourced Serious Game for Simulating Human Perception -- histoGraph as a Demonstrator forDomain Specific Challenges to Crowd-Sourcing.