Steffen Staab

semantic web web science programming text mining linked data internet ontology shacl eye tracking world wide web knowledge graph rdf ontologies lda social science circular factory accessibility sparql type checking data integration mapping f# data mining scalability impedance mismatch communication science robust project semantics information extraction escience knowledge graphs dataspace graph databases exc intcdc query federation contracts sparql-star rdf-star aec engineering applications embeddings constraints chatgpt large language models bayesian embedding el++ geometric learning inductive bias graph neural networks learning under constraints symbolic regression machine learning computational social science sozialwissenschaften informatik hate speech missinformation artificial intelligence sustainability online participation filter fake news misinformation net neutrality web interaction usability study web technology formal concept analysis fca concept integrity constraints querying ambiguity word embeddings taxonomy learning fault tolerance hadoop spark federation processing query distributed search user feedback roles network analysis induction deduction opinion spreading networks resilience opinion formation social networks mamem project transfer learning reveal project law interdisciplinarity trust humanities annotation komepol computational linguistics description logics hibernate owl lambda calculus rdfs variational inference clustering latent dirichlet allocation understandability bayes meta data context methods computer science data data=signal ibm watson global identifiers elsevier information architecture information architecture data=truth bbc graph data swsa awards iswc discrimination web observatory social machine bias data workflow eics-2015 human computer interaction keynote flickr physical-social systems language models geo-located data query language visual studio database linked open data typing lod type provider semantic integration sensors data guide indexing schema query language schemex functional programming geolocation text clustering economics friends of friends reputation link prediction content management analysis community management online communities user interface metamodelling austin grice pragmatics knowledge base semaplorer google knowledge graph schema.org lisa egovernment access rights petri net xacml business rules obligations data privacy open provenance model social media xpath spatial reasoning life science wegov stockholm west koblenz obligation privacy policies security access right software modeling process westinstitute webscience ictrobust