Internet-Suchmaschinen

Teaching personnel


Lecturer
Tutor(s)

Formalia


Targeted audience
  • Angewandte Informatik Bachelor
  • Komedia Bachelor

Dates


Lectures

Date

Time

Place

20. 4. 20 - Online/Moodle

Tutorials

Date

Time

Place

Tutor

Friday09:00 - 10:00Online/MoodleDr. Ahmet Aker

Examination Dates


Exam

Date

Time

Place

31. 8. 2020 -
 

Description


Internet search engines are the central starting point for satisfying today's information needs. These engines are representatives of the broader class of informaiton retrieval systems, which are applied in many other environments (like e.g. internet shops, digital libraries, help systems, enterprise search).

This course will introduce the basic models and concepts for content-oriented search in the Web and other text collections. In the exercises examples will deepen the understanding of the theoretical concepts, and small practical exercises will be carried out. In the lab part, students will work on the configuration, application and evaluation of search engines.

Content:

  • Basic concepts (information literacy, vagueness and uncertainty, data, information and knowledge)
  • Representation of text content (free text search, classifications, ontologies)
  • Models (boolean, fuzzy, vector space, probabilistic retrieval, Web retrieval)
  • Evaluation (effectiveness vs efficiency, relevance, metrics for boolean retrieval, evaluation of linear rankings)
  • Interactive Retrieval (information seeking behavior; information search; system functions, user interfaces)