Knowledge Graphs

From International Center for Computational Logic

Knowledge Graphs

Course with SWS 2/2/0 (lecture/exercise/practical) in WS 2021

Knowledge graphs are becoming an important paradigm in industry and research, with applications including prominent examples such as Google's own Knowledge Graph, Wikipedia's knowledge base sister Wikidata, and numerous artificial intelligence projects from Alexa to Siri. Meanwhile, companies are exploring the use of their own enterprise knowledge graphs for improving internal knowledge management.

With so many facets, knowledge graphs are a cross-cutting topic in computer science that involves aspects of data management (graph databases, file formats), publication (exchange formats, data integration), knowledge organisation (constraints, ontologies), and advanced analytics (expressive query languages, graph data mining). On each of these levels, there is some interesting theory and some interesting technology to be learned. This course will cover a colourful mix of technologies and methods related to the use of graphs for data analysis, knowledge representation, and data management.

Registration

The course generally does not require a special registration and there is no limit for participants. However, students in programmes that use the Selma system (esp. students in CMS Master) will need to register there to obtain credits. Additionally, we kindly ask you to enroll in the OPAL course so we can contact you, should the need arise. Most of the materials will be freely available world-wide. Live sessions (especially tutorials) are restricted to students of TU Dresden. Information on how to join will be published through the OPAL page of this course, which students of TU Dresden can access.

Schedule and Location

During the winter term 2021/22, the lecture and tutorials will be held online.

All dates are published on this page (see Dates & Materials above)

  • Lecture sessions: Tuesdays DS3 (11:10 to 12:40), not every week; see dates published here, in Zoom (see below)
  • Exercise session: DS5 (14:50 to 16:20)
  • The first exercise session will take place on Tuesday, 2020-10-19.

All sessions will take place online. Links to the respective video rooms will be published through the OPAL page of this course. Sessions for larger numbers of participants are conducted in Zoom; participants can use the link provided in the Links section in OPAL.

A discussion forum on the OPAL page of this course and a Matrix chat room for discussions are available. Selected material is published in a GitHub repository.

Subscribe to events of this course (icalendar)

Lecture 1. Introduction and Welcome DS3, October 12, 2021 in Zoom File
Video
Lecture 2. The Resource Description Framework RDF DS3, October 19, 2021 in Video File
Video 1 Video 2 Video 3
Exercise Introduction to Python DS5, October 19, 2021 in Video conference File
Lecture 3. Modelling in RDF / SPARQL Basics DS3, October 26, 2021 in Video File
Video 1 Video 2 Video 3
Exercise 1. Getting to Know Graphs and the Resource Description Framework DS5, October 26, 2021 in Video conference File
Lecture 4. Wikidata DS3, November 2, 2021 in Video File
Video 1 Video 2 Video 3
Exercise 2. RDF Modelling DS5, November 2, 2021 in Video conference File
Lecture 5. Advanced Features of SPARQL DS3, November 9, 2021 in Video
Video 1 Video 2 Video 3
Exercise 3. SPARQL and Wikidata DS5, November 9, 2021 in Video conference File
Lecture 6. SPARQL Semantics DS3, November 16, 2021 in Video
Video 1 Video 2 Video 3
Exercise 4. More SPARQL and Wikidata DS5, November 16, 2021 in Video conference File
Lecture 7. Expressive Power and Complexity of SPARQL DS3, November 23, 2021 in Video
Video 1 Video 2 Video 3
Exercise 5. Advanced SPARQL DS5, November 23, 2021 in Video conference File
Lecture 8. Limits of SPARQL / Datalog DS3, November 30, 2021 in Video
Video 1 Video 2
Exercise More Advanced SPARQL DS5, November 30, 2021 in Video conference File
Lecture 9. Rules for Querying Graphs DS3, December 7, 2021 in Video
Video 1 Video 2
Exercise Expressivity of SPARQL DS5, December 7, 2021 in Video conference File
Lecture 10. Property Graph DS3, December 14, 2021 in Video
Video 1 Video 2 Video 3
Lecture 11. Querying Property Graphs with Cypher DS3, December 21, 2021 in Video
Video 1 Video 2
Lecture 12. Knowledge Graph Quality DS3, January 11, 2022 in Video
Video 1 Video 2
Lecture 13. Centrality DS3, January 18, 2022 in Video
Video 1 Video 2 Video 3


Calendar