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Explore how user-generated content and digital traces can enrich learning experiences by leveraging social and linked data. ImREAL project focuses on learner's intercultural awareness for adaptive learning. Evaluate the effectiveness, engagement, and authenticity of simulated environments. Discover the potential of social media and digital traces for diverse domains like disaster prevention, transport, and citizen journalism. Gain insights on the impact of social media on society and industries. Learn about models and frameworks for augmented user modeling and sense-making of digital traces.
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Modelling user cultural exposure utilising social and linked data Ronald Denaux, Claudia Hauff, DhavalkumarThakker, Lucia Pannese,Declan Dagger, VaniaDimitrova, and Geert-Jan Houben
Outline • Overview of ImREAL project • Problem: Modelling of learner's intercultural awareness to enable adaptation • Approach: interactive dialogue exploiting both Social and Linked data • Current work: evaluation • Summary
Immersive Reflective Experience-based Adaptive Learning http://www.imreal-project.eu/
Key Problem Simulated environments for learning are disconnected from the real-world Simulated Environmentfor Learning Learning experience Simulation design • Effectiveness • Engagement • Motivation • Meta-cognition • Authenticity • Diversity • Timeliness • Cost-effectiveness
ImREAL: The Approach User generated content can provide a source for simulator enrichment Simulated Environmentfor Learning Learning experience Simulation design • Exploits ontologies and linked data • Focuses on interpersonal communication and cultural diversity • Intelligent services for content aggregation, user and context modelling, and meta-cognitive scaffolding
Potential of Digital Traces User-generated content presents a vast source of digital traces of individuals’ experiences shared in social spaces Advantages • Continuously updated • Spread across different sources • High volume • Enable participation and active engagement • Authentic and unbiased by the application • Represents different communities & perspectives Domains • Disaster prevention and predictions • Transport and environment • Public services • Citizen journalism • … Great potential for informal learning not exploited (OECD, 2011)
Social Media Revolution Multi-disciplinary research is needed to develop- inspirational prototypes- innovative evaluations- robust technologies [Shneiderman, 2011] • Facebook reached 1 billion monthly active users [Sept 2012] Twitter has over 465 million accounts producing on average 175 million tweets per day [2012] Over 800 000 videos uploaded on YouTube every day; 10 videos uploaded any second [Aug 2012] Social media creates content as a social object. Smart analysis can result in new insight, and that has powerful value for organizations.” [Reichental, 2011] “disruptive impact” of social media on industries and social lives of people Convergent with long-term societal trends [JRC Policy brief, 2008]
Simulated Environmentfor Learning Project Strata Pedagogy <–> Use Cases
Simulated Environmentfor Learning Project Strata Affective Meta-cognitive Scaffolding Pedagogy <–> Use Cases Augmented user modelling Making Sense of Digital Traces
Simulated Environmentfor Learning Project Strata Affective Meta-cognitive Scaffolding Pedagogy – Use Cases Augmented user modelling Making Sense of Digital Traces Integration Framework
Simulated Environmentfor Learning Project Strata Affective Meta-cognitive Scaffolding Pedagogy – Use Cases Evaluation – User Trials Augmented user modelling Making Sense of Digital Traces Integration Framework
Outline • Overview of ImREAL project • Problem: Modelling of learner's intercultural awareness to enable adaptation • Approach: interactive dialogue exploiting both Social and Linked data • Current work: evaluation • Summary
Problem • In order to tailor learning, simulators need to know learner's current competencies • For ill-defined domains (e.g. intercultural awareness): • Limited use for data mining techniques • No/few ontologies available
Approach • Initial User Model • Visited Countries • Estimated Cultural Exposure Social Web Sensors Perico Dialogue Agent • Updated User Model • Verified Visited Countries • Enhanced Cultural Exposure Score Quiz Generator Cultural Fact Extractor AMOn+ User Profile Generator Dialogue Planner
Social Sensors for Location Detection = + external data sources: Claudia Hauff and Geert-Jan Houben, Placing images on the world map: a microblog-based enrichment approach, SIGIR 2012, pp. 691-700, 2012
Distilling Intercultural Facts from DBpedia Alignment with AMOn+ Infer instances of cultural descriptors Infer where descriptors occur
Extracted Knowledge Base • 40K facts (OWL logical axioms) • 270 countries • 565 items of clothing • >4K items of food • 88 gestures • 159 currencies • 288 languages • 20K annotations (labels and depictions)
Probing and Modelling Learner’s Knowledge • Goal: Assess learner's (socio-political and intercultural) knowledge of country • Ask facts (derived) from DBpedia • Ask “trick” questions: close world around country • Mark answers based on expected truth value and add to Country-awareness Profile
Evaluation • How accurate is the learner model? • Gather learner models (CrowdFlower) • Compare to standard instrument (CQS) • How suitable are the derived facts and dialogue strategy for assessing intercultural awareness? • Ask domain experts to rate facts used in dialogue sessions. • How is the usability of the system? • Standard instrument (SUS)
Summary • Hybrid approach, exploiting both Social and Linked data, for bootstrapping a learner competency model regarding an ill-defined domain (intercultural awareness) • Approach for the extraction of focused (culturally-relevant) factual knowledge from DBpedia • Semantic-based user-friendly interface for interactive learner model refinement using dialogue agent