Prof. Dr. Stefan Funke

This lecture takes place twice a week (on average 3 h of lecture and 1 h tutorial) in the following slots:

Time Location Schedule
Oct. Nov. Dec. Jan. Feb.
Tuesday 12:05 - 13:35 V 38.01 25. 8., 15., 22., 29. 6., 13., 20. 10., 24., 31. 7.
Thursday 9:45 - 11:15 V 38.04 20., 27. 3., 10., 17., 24. 1., 8., 15., 22.* 12., 26. 2., 9.*

* MC-Test

The first lecture will be on oct. 20th, 2016!

There will be a written exam at the end of the semester (unless your Prüfungsordnung does not allow that; in that case, there will be an oral exam). Prerequisite for participation in the exam is a ‘Schein’, i.e. you need to pass two MC-tests.


  • You can find the results of the first mc test at the institutes notice board!
  • The question session will take place at wednesday, february 15th from 11:00 to 12:00 am in V38.04
  • You can find the results of the second mc test at the institutes notice board!
  • The 3rd (continuation) MC test is on Thursday, 2nd of March, from 9:45 -11:15 in seminar room 0.124.
  • Summary slides including EXCLUSIONS for the exam can be found here
  • Repetition/tutoral sessions will be offered on February 23rd, 24th, 27th, 28th, and March 1st; 09:00-12:15 in lecture hall 38.03.
  • The results of the 3rd mc test are published at the institutes notice board!
  • The ‘Schein’-list was published at the notice board. Please check your exam permit.
  • You can find the exam results at the institute’s black board. The exam review will take place at wednesday april 12th at 10:00 in room 1.140
  • You can find the exam results of the fall exam at the institutes notice board. The exam review will take place at wednesday, oct. 18th at 2:00 p.m. in room 1.140.
    Please check your examination regulations (Prüfungsordnung) to see if you are eligible for / need to take an oral exam. If so, please make an appointment with our secretary (Mrs. Photien, 1.117 – closed on fridays).


Filip Krumpe

The final dates of the tutorials are announced during lecture at least one week before the tutorial takes place. For each tutorial there will be an exercise sheet. Please take a look at the sheet before the tutorial and solve the problems on your own.

Exercise Sheets:

Exercise sheet 1
discussed on thursday, november 3rd (notes)
Exercise sheet 2
discussed on thursday, november 17th (updated to fix some mistakes in prob. 5) (notes)
Exercise sheet 3
discussed on thursday, december 1st (notes)
Exercise sheet 4
discussed on thursday, december 15th (fixed incomplete tip in prob. 1 - added correct solution to prob. 4) (notes - updated notes to problem 3)
Exercise sheet 5
for your self studies. Some of the problems will be discussed in the exercise session at february 7th. (notes)
Exercise sheet 6
discussed on tuesday, february 7th (notes)


Tutorial sheet 1
Tutorial sheet 2
Tutorial sheet 3
Tutorial sheet 4
Tutorial sheet 5


A very good book on approximation algorithms by Shmoys and Williamson can be found online.

Lecture Notes (currently from WS 14/15).

Basic Concepts

should be easy to find via google, e.g.

Intended Audience

Students at the master (INF, SWT, INFOTECH, Winfo, …) or advanced Bachelor level.


[Nov’18] Our paper on regret minimization has been accepted at AAAI 2019 (acceptance rate 16.2%)!

[Oct’18] Our paper on alternative route planning for bicycles has been accepted at ALENEX 2019!

[Apr’18] Martin has successfully defended his Ph.D. thesis. Congratulations!

[Jan’18] The journal version of our paper on k-hop path covers will receive a publication award from our university!

[Nov’17] Our paper on a theoretical explanation for several speed-up techniques for route computation has been accepted at AAAI 2018!

[Oct’17] Thomas’ paper on area preserving map simplification has been accepted at ALENEX 2018!

[May’17] Daniel’s and Martin’s paper on rational points on the unit sphere has been accepted at ISSAC 2017!

[Apr’17] Our paper on personalized route planning with dynamic approximation guarantees has been accepted at SEA 2017!

[Jan’17] Martin’s paper on map matching has been accepted at SIAM SDM 2017!

[Nov’16] Our paper on simultaneous maze solving has been accepted at AAAI 2017.

[Okt’16] Two papers, one on growing balls (!), the other on map simplification will be presented at ALENEX 2017.

[Sep’16] Our paper on Deducing Individual Driving Preferences has been accepted at the 24th ACM SIGSPATIAL GIS 2016.

[Feb’16] Our paper on placing loading stations for EVs has been accepted at ICAPS 2016.

[Jul’15] Paper about our GeoSearch Engine OSCAR at the 16th Int. Conf on Web Information Systems Engineering (WISE)!

[Jun’15] We feel very honored to have our VLDB’14 paper almost verbatimly reproduced in the ‘prestigous’ journal IJSETR, see here. Yeah! 😉

[Feb’15] We were lucky to receive a Google Research Award for research on personalized route planning!

[Sep’14] Our paper “On k-Path Covers and their Applications” has received a Best Paper Award at the 40th Int. Conference on Very Large Databases (VLDB) in Hangzhou (5 out of 139 accepted out of 695 submitted papers).

[Sep’14] Our paper on “Energy-efficient Routing: Taking Speed into Account” has received a Best Paper Award at the 37th German Conference on Artificial Intelligence (KI).

[Jul’14] Our paper “Placement of Loading Stations for Electric Vehicles: No Detours Necessary!” has received a Honorable Mention at the 28th AAAI Conference on Artificial Intelligence (AAAI) in Quebec City (5 nominated out of 398 accepted out of 1406 submitted papers).

[Mar’14] Our StuPro-Team has completed their great “SchulScheduler” project.

[Nov’13] Jochen has defended his PhD thesis and moved on to TomTom.

[Feb’13] Sabine has defended her PhD thesis (already in Dec’12) and received the INFOS award for best CS PhD thesis in 2012!

[Mar’12] Our paper Path Shapes - An Alternative Method for Map Matching and Fully Autonomous Self-Localization presented at GIS 2011 has received the Best Paper Award, also see the ACM SIGSPATIAL newsletter.