Research Track: Multi-Label Based Learning for Better Multi-Criteria Ranking of Ontology Reasoners.- The Efficacy of OWL and DL on User Understanding of Axioms and Their Entailments.- A Decidable Very Expressive Description Logic for Databases.- Improving Visual Relationship Detection using Semantic Modeling of Scene Descriptions.- An Empirical Study on How the Distribution of Ontologies Affects Reasoning on the Web.- Expressive Stream Reasoning with Laser.- Semantics and Validation of Shapes Schemas for RDF.- Temporal Query Answering in DL-Lite over Inconsistent Data.- Semantic Wide and Deep Learning for Detecting Crisis-Information Categories on Social Media.- Tractable Query Answering for Expressive Ontologies and Existential Rules.- Zooming in on Ontologies: Minimal Modules and Best Excerpts.- Global RDF Vector Space Embeddings.- LDScript: a Linked Data Script Language.- Practical Update Management in Ontology-based Data Access.- Computing Authoring Tests from Competency Questions: Experimental Validation.- Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings.- Learning Commonalities in SPARQL.- Meta Structures in Knowledge Graphs.- Challenges of source selection in the WoD.- AMUSE: Multilingual Semantic Parsing for Question Answering over Linked Data.- Computing FO-Rewritings in EL in Practice: from Atomic to Conjunctive Queries.- A Formal Framework for Comparing Linked Data Fragments.- Language-agnostic Relation Extraction from Wikipedia Abstracts.- Alignment Cubes: Towards Interactive Visual Exploration and Evaluation of Multiple Ontology Alignments.- Attributed Description Logics: Ontologies for Knowledge Graphs.- Reliable Granular References to Changing Linked Data.- Cost-Driven Ontology-Based Data Access.-The Odyssey Approach for Optimizing Federated SPARQL Queries.- Automated Fine-grained Trust Assessment in Federated Knowledge Bases.- Completeness-aware Rule Learning from Knowledge Graphs.- Entity Comparison in RDF Graphs.- Provenance Information in a Collaborative Knowledge Graph: an Evaluation of Wikidata External References.- Strider: A Hybrid Adaptive Distributed RDF Stream Processing Engine.- Mining Hypotheses from Data in OWL: Advanced Evaluation and Complete Construction.- Semantic Faceted Search with Aggregation and Recursion.- Investigating learnability, user performance, and preferences of the path query language SemwidgQL compared to SPARQL.- Cross-lingual Entity Alignment via Joint Attribute-Preserving Embedding.- Blockchain Enabled Privacy Audit Logs.- VICKEY: Mining Conditional Keys on RDF datasets.- Ontolex JeuxDeMots and Its Alignment to the Linguistic Linked Open Data Cloud.- Towards Holistic Concept Representations: Embedding Relational Knowledge, Visual Attributes, and Distributional Word Semantics.- An extension of SPARQL for expressing preferences.- Encoding Category Correlations into Bilingual Topic Modeling for Cross-Lingual Taxonomy Alignment.- Cross-lingual infobox alignment in Wikipedia using Entity-Attribute Factor Graph.