Information Extraction, Approaches, tools and methods for Wrapper Generation, Web Querying, Data Integration, XML.
- Information Extraction: Setting, History, IE vs. IR
- Structured Data Extraction and Wrapping
- XML Transformation and Query Languages, DOM, jQuery
- Web Wrapper Languages
- Wrapper Generation Tools
- Web Wrappers for Mashups, SOA and BI
- Inductive Wrapper Generation
- Automatic Data Extraction / Web Data Mining
- Supervised Wrapper Generation
- Deep Web Navigation Approaches
- Mediation and Integration Approaches
- Web Data Cleaning
- Lixto Visual Wrapper and Transformation Server
The course comprises both a lecture and an exercise part. The lecture part is primarily intended to teach about methodologies as well as to illustrate concepts from practice including system live demonstrations. The goal of the exercises is to strengthen the knowlege of the participants, especially including practical usage of tools in the area of web data extraction. At the end of the course, student group talks will cover further aspects in more detail. One meeting will be devoted to give an overview about current (applied) research projects at DBAI to give a short glimpse on novel research in this area.
ECTS-Breakdown:
lectures: 14 hours
discussion of the exercises: 8 hours
exercises: 26 hours
final project/exam: 27 hours
total: 75 hours (3 ECTS)
Selected Fridays 16:00-19:00 (Exercise Unit 1 16:00-17:00, Lecture 17:00-18:00, Exercise Unit 2 18:00-19:00), first meeting on 4th of October 16:00 to 17:30 (A and B), in total nine sessions. Details on lecture Web page (available end of August): http://www.dbai.tuwien.ac.at/staff/baumgart/exin1314/.
Course Language: English
Supervised exercises with tutor.
Lecture Dates: 4.10., 18.10., 25.10., 8.11., 22.11., 6.12., 13.12., 10.1., 24.1/31.1. (Backup 29.11.)
After an initial individual assignment phase, there are group assignments that ought to be solved by teams of approx. 5 participants, according to the group registration within TUWEL. If you want to work together with specific colleagues, please have them join into your TUWEL group, if possible. TUWEL course group registration will be available from Sep 16 on.
On the one hand, course assessment is based on individual exercises, group exercises and the presentation thereof during the semester, on the other hand on a final project at semester end, in which a particular topic is elaborated as paper as well as being presented and discussed.
Lecture subscription is done via registration in TISS. Moreover, please register for one group in TUWEL. In case you are an ECML student who can not yet officially register via the system please subscribe to the exercises via email instead. A Groups: 16:00 to 17:00, B Groups: 18:00-19:00.
