Research Track.- Fine-grained Evaluation of Rule- and Embedding-based Systems for Knowledge Graph Completion.- KADE: Aligning Knowledge Base and Document Embedding Models using Regularized Multi-Task Learning.- Inducing Implicit Relations from Text using Distantly Supervised Deep Nets.- Towards Encoding Time in Text-Based Entity Embeddings.- Rule Learning from Knowledge Graphs Guided by Embedding Models.- A Novel Ensemble Method for Named Entity Recognition and Disambiguation based on Neural Network.- EARL: Joint Entity and Relation Linking for Question Answering over Knowledge Graphs.- TSE-NER: An Iterative Approach for Long-Tail Entity Extraction in Scientific Publications.- An Ontology-driven Probabilistic Soft Logic Approach to Improve NLP Entity Annotations.- Ontology Driven Extraction of Research Processes.- Enriching Knowledge Bases with Counting Quantifiers.- QA4IE: A Question Answering based Framework for Information Extraction.- Constructing aRecipe Web from Historical Newspapers.- Structured Event Entity Resolution in Humanitarian Domains.- That’s Interesting, Tell Me More! Finding Descriptive Support Passages for Explaining Knowledge Graph Relationships.- Exploring RDF/S KBs Using Summaries.- What is the cube root of 27? Question Answering over CodeOntology.- GraFa: Scalable Faceted Browsing for RDF Graphs.- Semantics and Validation of Recursive SHACL.- Certain Answers for SPARQL with Blank Nodes.- Efficient Handling of SPARQL OPTIONAL for OBDA.- Representativeness of Knowledge Bases with the Generalized Benford’s Law.- Detecting Erroneous Identity Links on the Web using Network Metrics.- SPgen: A Benchmark Generator for Spatial Link Discovery Tools.- Specifying, Monitoring, and Executing Workflows in Linked Data Environments.- Mapping Diverse Data to RDF in Practice.- A Novel Approach and Practical Algorithms for Ontology Integration.- Practical Ontology Pattern Instantiation, Discovery, and Maintanence with Reasonable Ontology Templates.- Pragmatic Ontology Evolution: Reconciling User Requirements and Application Performance.- Towards Empty Answers in SPARQL: Approximating Querying with RDF Embedding.- Query-based Linked Data Anonymization.- Answering Provenance-Aware Queries on RDF Data Cubes under Memory Budgets.- Bash Datalog: Answering Datalog Queries with Unix Shell Commands.- WORQ: Workload-Driven RDF Query Processing.- Canonicalisation of Monotone SPARQL Queries.- Cross-Lingual Classification of Crisis Data.- Measuring Semantic Coherence of a Conversation.- Combining Truth Discovery and RDF Knowledge Bases to their mutual advantage.- Content based Fake News Detection Using Knowledge Graphs.