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Course Introduction

TDT44 Semantic Web: a Specialization module complementary to TDT4175 Information Systems. Other IS modules can be found here.

TDT44 will be taught by Özlem Özgöbek in the fall 2019. 

We will use the following book: (free electronic copy for NTNU students)

Schedule (2019)

24.09.2019, 13:15 Room ITV 122Introductory meeting
24.10.2019, 13:15, ITV 054Student presentations

Topic 1: RDF (Børstad)

Topic 2: RDFS (Kohmann)

Topic 3: OWL (Kråbøl)

31.10.2019, 13:15, ITV 242Student presentations

Topic 4: SPARQL (Le Ray)

Topic 5: Linked open data (Skaslien)

Topic 6: Semantic web tools and usage examples (Standal)

Topic 7: Knowledge graphs for conversational systems (Mahic)

25.11.2019Deadline for sending reports of the individual assignment

Oral exam

Readings in TDT44 Semantic Web (2019)

The book we will use is: Exploiting Linked Data and Knowledge Graphs in Large Organisations.
Please order the book now, so you have it ready for the first class in September!
You can also download it for free on the NTNU-network from here:

You may also read two papers, on Logics and Turtle, and if you are interested (proposed by a student 2016):

Obligatory Individual Assignment 2019

Obligatory assignment is now available.

The deadline is 25.11.2019. Please send your reports by e-mail.

About the Exam (2019) 

Oral exam will take place on 28 November 2019. This will be the only exam in this course. The schedule for the exam will be announced through the official channels a few days before the exam, it won't be announced on this page.

For the sensors to read your reports before the oral exam, you need to send them a few days before the exam by e-mail to

The deadline for sending the reports is 25 November 2019, 07.00 AM.

Presentation Details

During the oral exam, each student will have 20 minutes. This includes the presentation of the individual assignment and questions from the sensors. For the presentation you don't need any slides, so don't prepare any slides. We will ask you to explain your assignment orally, you can use a white board if needed. Please bring a printed copy of your report with you. Questions from sensors will include details from your assignment and some basic knowledge from the book.

Presentations from 2018

Introduction 2018IntroductionTDT44.pdf

Presentations from 2017


1: Enterprise Knowledge Graph: An Introduction

Kap 1 og 2
2: Knowledge Graph FoundationsKap 1 og 2

3: Knowledge Architecture for Organisations

Extra: Turle


Kap 3

Turtle presentation.pptx


4: Construction of Enterprise Knowledge Graphs(I)

 Kap 4
5: Construction of Enterprise Knowledge Graphs(II)* Kap 5
6: Understanding Knowledge Graphs
 Kap 6
7: Question Answering and Knowledge Graphs Kap 7
8: Success Stories Kap 8
9: Enterprise Knowledge Graph: Looking into the Future Kap 9

Student list and exam grades (2019)


NameEmailOther TsExam Grade

From complete list on https: //www.idi/intra/teaching/theorymodule_participants.php? Code = TDT44


Teachers (2019)

Özlem Özgöbek (Teacher), ozlem.ozgobek at, room  ITV-158)
(Professor Jon Atle Gulla (Examiner), jag at, room  ITV-114)

TDT44 Individual Assignment 2017

External links

Part 1 and part 2 of this tutorial can be relevant for our class:


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