Heiko Paulheim

dws-uni-mannheim knowledge graph dbpedia linked open data embeddings rapidminer graph embedding rdf2vec wikidata semantic web linked data representation learning yago machine learning data quality background knowledge outlier detection knowledge extraction wikipedia data mining rdf data integration dbkwik algorithms big data artificial intelligence freebase cyc nell anomaly detection opencyc chatgpt llm large language model synthetic benchmark google knowledge graph entity matching entity resolution knowledge integration explainable ai wikifarm caligraph antitrust market power tutorial instance matching schema matching information extraction youtube facebook google ai explainability explanation interpretation latent feature space triple cost recommender systems fake news twitter weak supervision dataset profiling ontology debuging knowledge graph debugging approximation ontology reasoning dolce foundational ontologies formal ontologies anti-pattern ontology matching ontology alignment entity disambiguation entity linking nlp surface forms schema.org lod microdata profiling knowledge discovery extension correctness quality link quality link debugging noisy data type inference statistical inference gadm linked geo data benchmark link strength dataset entity ranking list pages eurostat statistics feature generation