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Welcome to the Wiki of the course "Information Retrieval" in the winter term 2018/2019

The course is given by Prof. Dr. Hannah Bast and assisted by Claudius Korzen. The course will be based on the video recordings from the course Information Retrieval WS17/18. There will be an introductory in-class lecture on Tuesday, 16th October 2018 from 2:15pm until 3:45pm in seminar room 00-010/14 in building 101. There will be 14 lectures and 13 exercise sheets altogether.

The tutors for this course are Daniel Bindemann, Patrick Brosi, Niklas Schnelle. The administrator of the supporting systems (Daphne, SVN, Forum, Jenkins) is Axel Lehmann.

Important Links

Our course management system Daphne (login with your RZ user name and password).
The forum for announcements and questions.
The manual for how to ask questions on the forum.
Our Points scheme for the exercises.
Our CodingStandards for C++, Java and Python 3.
Code style formatter profiles for Eclipse: Java, C++.
Information about Subversion (SVN) can be found here (in german) and here (in english); about some editors (including Vim) here (in german); and about the installation of gtest (for C++ only) here (in english).
The courses from previous semesters: Information Retrieval WS 17/18, Information Retrieval WS 16/17, Information Retrieval WS 15/16, Information Retrieval WS 13/14, Information Retrieval WS 12/13.
The exams from previous semesters: WS 17/18, WS 16/17, WS 15/16, WS 13/14, WS 12/13.
Here you can download our Linux Image (for Virtualbox or VMWare).

Lecture Slides, Video Recordings, Exercise Sheets, and Code

Lecture 1, Tuesday, October 16, 2018 (Introduction, Inverted Index, Zipf's Law): YouTube Part 1 YouTube Part 2 (Download Part 1 Download Part 2), Slides, Code from the lecture (+ equivalent code in Java and C++), Exercise Sheet 1, TIP file, Dataset for ES1 (189,897 movies with title + description), Solution.
Lecture 2, Tuesday, October 23, 2018 (Ranking and Evaluation): YouTube (Download), Slides, Exercise Sheet 2, TIP file, Movies Dataset (same one as for ES1), Movies Benchmark, Table for your ranking results, Solution.
Lecture 3, Tuesday, November 6, 2018 (Efficient List Intersection): YouTube (Download), Slides, Exercise Sheet 3, Postings Lists, basic code to get you started in Java and C++, Table for your intersection results, Solution.
Lecture 4, Tuesday, November 13, 2018 (Compression, Codes, Entropy): YouTube (Download), Slides, Exercise Sheet 4, Solution.
Lecture 5, Tuesday, November 20, 2018 (Fuzzy Search, Edit Distance, q-Gram Index): YouTube (Download), Slides, Exercise Sheet 5, Wikidata Entities (2,920,180 entities, name + popularity + description + additional information), TIP file, code from the lecture in Java and the analogous code in C++, Table for your results, Solution.
Lecture 6, Tuesday, November 27, 2018 (Web applications, part 1): Video Recording (Download), Slides, Exercise Sheet 6, Wikidata Entities (same as for ES5), TIP file, (part of) the code from the lecture in Java and the analogous code in C++, Solution.
Lecture 7, Tuesday, December 4, 2018 (Web applications, part 2: Javascript, Vulnerabilities, Cookies, Unicode): Video Recording (Download), Slides, Exercise Sheet 7, Wikidata Entities (same as for ES5+ES6), TIP file.

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+The course is given by [[http://ad.informatik.uni-freiburg.de/staff/bast|Prof. Dr. Hannah Bast]] and assisted by [[https://ad.informatik.uni-freiburg.de/staff/korzen|Claudius Korzen]]. 
The course will be based on the video recordings from the course [[InformationRetrievalWS1718|Information Retrieval WS17/18]]. 
There will be an introductory in-class lecture on Tuesday, 16th October 2018 from 2:15pm until 3:45pm in seminar room 00-010/14 in building 101.
There will be 14 lectures and 13 exercise sheets altogether.
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-{{{
#!html
<!--
The course is given by [[http://ad.informatik.uni-freiburg.de/staff/bast|Prof. Dr. Hannah Bast]] and assisted by [[https://ad.informatik.uni-freiburg.de/staff/korzen|Claudius Korzen]]. It takes place every Tuesday from 2:15pm until 3:45pm in seminar room 00-010/14 in building 101. The first lecture is on Tuesday, 17 October 2017 and the last lecture is on Tuesday, 6 February 2018. There will be no lecture on Tuesday, 31 October 2017 (Reformationstag), and on Tuesday, 26 December 2017 and on Tuesday, 2 January 2018 (christmas break). This is 14 lectures altogether.
-->
}}}

The tutors for this course are Daniel Bindemann, Patrick Brosi, Niklas Schnelle, N/A and N/A.
+The tutors for this course are Daniel Bindemann, [[https://ad.informatik.uni-freiburg.de/staff/brosi|Patrick Brosi]], [[https://ad.informatik.uni-freiburg.de/staff/schnelle|Niklas Schnelle]].
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- * The [[https://daphne.informatik.uni-freiburg.de/forum/viewforum.php?f=848|Forum]] for announcements and questions (you are automatically a member when you have logged into Daphne).
+ * The [[https://daphne.informatik.uni-freiburg.de/forum/viewforum.php?f=848|forum]] for announcements and questions.
 * The [[Manuals/AskingOnAForum|manual]] for how to ask questions  on the forum.
 * Our [[InformationRetrievalWS1819/PointsScheme|Points scheme]] for the exercises.
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- * Our [[InformationRetrievalWS1819/PointsScheme|Points scheme]] for the exercises.
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- * The exams from previous semesters: [[InformationRetrievalWS1213/Exam|WS 12/13]], [[InformationRetrievalWS1314/Exam|WS 13/14]], [[InformationRetrievalWS1516/Exam|WS 15/16]], [[InformationRetrievalWS1617/Exam|WS 16/17]], [[InformationRetrievalWS1718/Exam|WS 17/18]].
+ * The exams from previous semesters: [[InformationRetrievalWS1718/Exam|WS 17/18]], [[InformationRetrievalWS1617/Exam|WS 16/17]], [[InformationRetrievalWS1516/Exam|WS 15/16]], [[InformationRetrievalWS1314/Exam|WS 13/14]], [[InformationRetrievalWS1213/Exam|WS 12/13]].
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- * [[https://goo.gl/bC5t7f|Livestream]] of the lectures (available shortly before each lecture).
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-'''For visitors from outside the University of Freiburg: You can freely access all the course materials below, except the solutions, by replacing /svn/ by /svn-public/ in the URL.'''
+ * Lecture 1, Tuesday, October 16, 2018 (Introduction, Inverted Index, Zipf's Law): [[https://www.youtube.com/watch?v=LXvwU8cCHe0|YouTube Part 1]] [[https://www.youtube.com/watch?v=A3-2QRkv9nE|YouTube Part 2]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-01a.mp4|Download Part 1]] [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-01b.mp4|Download Part 2]]), [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn-public/public/slides/lecture-01.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-01/|Code from the lecture (+ equivalent code in Java and C++)]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/exercises/sheet-01.pdf|Exercise Sheet 1]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-01/TIP/|TIP file]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/movies.txt|Dataset for ES1 (189,897 movies with title + description)]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/solutions/sheet-01/|Solution]].
 * Lecture 2, Tuesday, October 23, 2018 (Ranking and Evaluation): [[https://www.youtube.com/watch?v=bCVPnnWqY8s|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-02.mp4|Download]]), [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/slides/lecture-02.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/exercises/sheet-02.pdf|Exercise Sheet 2]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-02/TIP/|TIP file]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/movies.txt|Movies Dataset (same one as for ES1)]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/movies-benchmark.txt|Movies Benchmark]], [[InformationRetrievalWS1819/ResultsES2|Table for your ranking results]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/solutions/sheet-02/|Solution]].
 * Lecture 3, Tuesday, November 6, 2018 (Efficient List Intersection): [[https://www.youtube.com/watch?v=hFYbmLa3usg|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-03.mp4|Download]]), [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/slides/lecture-03.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/exercises/sheet-03.pdf|Exercise Sheet 3]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-03/postinglists/|Postings Lists]], basic code to get you started in [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-03/java/|Java]] and [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-03/cpp/|C++]], [[InformationRetrievalWS1819/ResultsES3|Table for your intersection results]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/solutions/sheet-03/|Solution]].
 * Lecture 4, Tuesday, November 13, 2018 (Compression, Codes, Entropy): [[https://www.youtube.com/watch?v=A_F94FV21Ek|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-04.mp4|Download]]), [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/slides/lecture-04.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/exercises/sheet-04.pdf|Exercise Sheet 4]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/solutions/sheet-04/sheet-04.pdf|Solution]].
 * Lecture 5, Tuesday, November 20, 2018 (Fuzzy Search, Edit Distance, q-Gram Index): [[https://www.youtube.com/watch?v=I39Rhegg8Xg|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-05.mp4|Download]]), [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/slides/lecture-05.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/exercises/sheet-05.pdf|Exercise Sheet 5]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/wikidata-entities.tsv|Wikidata Entities (2,920,180 entities, name + popularity + description + additional information)]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-05/TIP/|TIP file]], code from the lecture in [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-05/java/|Java]] and the analogous code in [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-05/cpp/|C++]], [[InformationRetrievalWS1819/ResultsES5|Table for your results]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/solutions/sheet-05/|Solution]].
 * Lecture 6, Tuesday, November 27, 2018 (Web applications, part 1): [[https://www.youtube.com/watch?v=2x4YFzrlV8I|Video Recording]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-06.mp4|Download]]), [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/slides/lecture-06.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/exercises/sheet-06.pdf|Exercise Sheet 6]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/wikidata-entities.tsv|Wikidata Entities (same as for ES5)]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-06/TIP/sheet-06.TIP|TIP file]], (part of) the code from the lecture in [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-06/java/|Java]] and the analogous code in [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-06/cpp/|C++]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/solutions/sheet-06/|Solution]].
 * Lecture 7, Tuesday, December 4, 2018 (Web applications, part 2: Javascript, Vulnerabilities, Cookies, Unicode): [[https://www.youtube.com/watch?v=aycjGY6v6pg|Video Recording]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/lecture-07.mp4|Download]]), [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/slides/lecture-07.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/exercises/sheet-07.pdf|Exercise Sheet 7]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1819/wikidata-entities.tsv|Wikidata Entities (same as for ES5+ES6)]], [[https://daphne.informatik.uni-freiburg.de/ws1819/InformationRetrieval/svn/public/code/lecture-07/TIP/sheet-07.TIP|TIP file]].
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- * Lecture 1, Tuesday, October 17, 2017 (Introduction, Inverted Index, Zipf's Law): [[http://www.youtube.com/watch?v=QjA7ujQsL0M|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-01.mp4|Download]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-01.epiphan.mp4|Recording Livestream]]), [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/slides/lecture-01.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-01/|Code from the lecture (+ equivalent code in Java and C++)]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/exercises/sheet-01.pdf|Exercise Sheet 1]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-01/TIP/|TIP file]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/movies.txt|Dataset for ES1 (189,897 movies, title + description)]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/solutions/sheet-01/|Solution]].
 * Lecture 2, Tuesday, October 24, 2017 (Ranking and Evaluation): [[https://www.youtube.com/watch?v=bCVPnnWqY8s|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-02.mp4|Download]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-02.epiphan.mp4|Recording Livestream]]), [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/slides/lecture-02.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/exercises/sheet-02.pdf|Exercise Sheet 2]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-02/TIP/|TIP file]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/movies.txt|Movies Dataset (same one as for ES1)]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/movies-benchmark.txt|Movies Benchmark]], [[InformationRetrievalWS1718/ResultsES2|Table for your ranking results]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/solutions/sheet-02/|Solution]].
 * Lecture 3, Tuesday, November 7, 2017 (Efficient List Intersection): [[https://www.youtube.com/watch?v=hFYbmLa3usg|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-03.mp4|Download]]), [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/slides/lecture-03.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/exercises/sheet-03.pdf|Exercise Sheet 3]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-03/postinglists/|Postings Lists]] (Update: 8 November, 10:30pm), basic code to get you started in [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-03/java/|Java]] and [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-03/cpp/|C++]], [[InformationRetrievalWS1718/ResultsES3|Table for your intersection results]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/solutions/sheet-03/|Solution]].
 * Lecture 4, Tuesday, November 14, 2017 (Compression, Codes, Entropy): [[https://www.youtube.com/watch?v=A_F94FV21Ek|YouTube]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-04.mp4|Download]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-04.epiphan.mp4|Recording Livestream]]), [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/slides/lecture-04.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/exercises/sheet-04.pdf|Exercise Sheet 4]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/solutions/sheet-04/sheet-04.pdf|Solution]].
 * Lecture 5, Tuesday, November 21, 2017 (Fuzzy Search, Edit Distance, q-Gram Index): [[https://www.youtube.com/watch?v=I39Rhegg8Xg|Video Recording]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-05.mp4|Download]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-05.epiphan.mp4|Recording Livestream]]), [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/slides/lecture-05.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/exercises/sheet-05.pdf|Exercise Sheet 5]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/wikidata-entities.tsv|Wikidata Entities (2,920,180 entities, name + popularity + description + additional information)]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-05/TIP/|TIP file]], code from the lecture in [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-05/java/|Java]] and the analogous code in [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-05/cpp/|C++]], [[InformationRetrievalWS1718/ResultsES5|Table for your results]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/solutions/sheet-05/|Solution]].
 * Lecture 6, Tuesday, November 28, 2017 (Web applications, part 1): [[https://www.youtube.com/watch?v=2x4YFzrlV8I|Video Recording]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-06.mp4|Download]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-06.epiphan.mp4|Recording Livestream]]), [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/slides/lecture-06.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/exercises/sheet-06.pdf|Exercise Sheet 6]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/wikidata-entities-with-image-urls.tsv|Wikidata Entities (same as for ES5, with image urls)]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-06/TIP/|TIP file]], (part of) the code from the lecture in [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-06/java/|Java]] and the analogous code in [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-06/cpp/|C++]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/solutions/sheet-06/|Solution]].
 * Lecture 7, Tuesday, December 5, 2017 (Web applications, part 2: Javascript, Vulnerabilities, Cookies, Unicode): [[https://www.youtube.com/watch?v=aycjGY6v6pg|Video Recording]] ([[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-07.mp4|Download]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/lecture-07.epiphan.mp4|Recording Livestream]]), [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/slides/lecture-07.pdf|Slides]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/exercises/sheet-07.pdf|Exercise Sheet 7]], [[http://ad-teaching.informatik.uni-freiburg.de/InformationRetrievalWS1718/wikidata-entities-with-surprises.tsv|Wikidata Entities (with surprises)]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/public/code/lecture-07/TIP/sheet-07.TIP|TIP file]], [[https://daphne.informatik.uni-freiburg.de/ws1718/InformationRetrieval/svn/solutions/sheet-07/|Solution]].